Choosing a tri fuel generator gasoline propane natural gas system offers flexibility for different fuel sources, ideal for emergency backup, RVs, or outdoor work sites. The top pick, Westinghouse 12500 Peak Watt EFI Tri-Fuel Generator, stands out for its reliable EFI engine and seamless fuel switching. Other strong contenders, like the Generac 12,500 Watt Tri-Fuel Generator and the DuroMax XP13000HXT, offer high power output and robust build quality. However, these models often trade off portability or advanced features for raw power or fuel versatility. Continue reading for a detailed breakdown of these options to find the best fit for your needs.
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Key Takeaways
- High power output models like the Westinghouse 28000 Peak Watt excel for heavy backup needs but are less portable.
- Fuel versatility varies; some generators switch seamlessly between fuels, while others require manual setup.
- Features such as remote start or CO sensors are common in premium models, offering added safety and convenience.
- Budget options often compromise on runtime or noise levels, making them less suitable for extended use.
- Build quality and warranty support are key differentiators, especially in more expensive models.
| Westinghouse 8200 Peak Watt Tri-Fuel Portable Inverter Generator with Remote Electric Start and CO Sensor | ![]() | Best Overall for Versatility and Quiet Operation | Peak Watts: 8200 | Running Watts: 6600 | Fuel Types: Gasoline, Propane, Natural Gas | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 12500 Peak Watt EFI Tri-Fuel Home Backup Portable Generator with Remote Electric Start | ![]() | Best for High Power and Fuel Efficiency in Home Backup | Peak Watts: 12500 | Running Watts: 9500 | Fuel Types: Gasoline, Propane, Natural Gas | VIEW ON AMAZON | See Our Full Breakdown |
| Generac 12,500 Starting Watt Tri-Fuel Portable Generator with Electric Start | ![]() | Best for Heavy-Duty and Reliable Power for Job Sites or RVs | Starting Watts: 12500 | Running Watts: 9500 | Fuel Tank Capacity: 7.5 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 28000 Peak Watt Tri-Fuel Portable Generator with Remote Electric Start | ![]() | Best for Large-Scale Power and Heavy-Duty Needs | Peak Wattage (Gasoline): 28000 watts | Running Wattage (Gasoline): 20000 watts | Peak Wattage (Propane): 25200 watts | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 13500 Peak Watt Tri-Fuel Portable Generator with Remote Electric Start | ![]() | Best for Long Runtime and Versatile Power for Backup | Peak Watts: 13500 (Gasoline), 12500 (Propane), 10000 (Natural Gas) | Running Watts: 10500 (Gasoline), 9500 (Propane), 8500 (Natural Gas) | Fuel Tank Capacity: 9.5 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator with Remote Electric Start | ![]() | Best Overall for Power and Flexibility | Peak Watts: 14,500 | Running Watts: 11,500 | Fuel Types: Gasoline, Propane, Natural Gas | VIEW ON AMAZON | See Our Full Breakdown |
| GENMAX Tri Fuel Generator, 10500-Watt 458cc Portable Gasoline Propane Natural Gas Generator with Remote Start | ![]() | Best for Reliable Power on a Budget | Power: 10500W starting | Engine: 458cc | Fuel Types: Gasoline, Propane, Natural Gas | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator with Remote Electric Start | ![]() | Best for Compact Home Backup Power | Peak Watts: 12,500 | Running Watts: 9,500 | Fuel Tank Capacity: 6.6 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| DuroMax XP13000HXT 13,000-Watt Tri Fuel Portable Generator with CO Alert | ![]() | Best for Whole-Home Power with Safety Features | Power Output: 13,000 watts | Engine: 500cc OHV | Fuel Types: Gasoline, Propane, Natural Gas | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 12000 Peak Watt Tri-Fuel Portable Inverter Generator with Remote Start and Transfer Switch Compatibility | ![]() | Best for Quiet, Efficient Whole-Home Backup | Peak Power: 12,000W | Running Power: 9,000W (gasoline), 8,100W (propane), 7,200W (natural gas) | Fuel Tank Capacity: 7.9 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 14,500-Watt Tri-Fuel Generator with Electric Start and CO Watchdog | ![]() | Best Overall for Versatility and Safety | Surge Watts (Gasoline): 14500 | Running Watts (Gasoline): 11500 | Tank Capacity: 8.2 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| DuroStar DS13000MXT 13,000-Watt Tri Fuel Portable Generator with Electric Start and CO Alert | ![]() | Best for Whole-Home Backup and Power Flexibility | Wattage: 13000 watts | Fuel Types: Gasoline, Propane, Natural Gas | Tank Volume: 8.3 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 18000 Peak Watt Tri-Fuel Portable Generator with Remote Electric Start and CO Sensor | ![]() | Best for Job Sites and Emergency Backup with Remote Convenience | Peak Watts: 18,000 | Running Watts: 14,500 | Fuel Types: Gasoline, Propane, Natural Gas | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 14,500-Watt Tri-Fuel Generator with Electric Start and Wheel Kit | ![]() | Best for Long-Run Emergency Backup with Mobility Support | Surge Watts / Running Watts: 14500 / 11500 | Tank Capacity: 8.2 gallons | Runtime: Up to 12 hours | VIEW ON AMAZON | See Our Full Breakdown |
| Champion 12,500-Watt Electric Start Tri Fuel Portable Generator | ![]() | Best for Compact, Reliable Backup with Smart Features | Starting Watts: 12,500 | Running Watts: 10,000 | Engine: 500cc Champion engine | VIEW ON AMAZON | See Our Full Breakdown |
| tri fuel generator gasoline propane natural ga | Fuel Types | Engine | Running Watts | Outlets |
|---|---|---|---|---|
| Westinghouse 8200 Peak Watt Tr | Gasoline, Propane, Natural Gas | — | 6600 | — |
| Westinghouse 12500 Peak Watt E | Gasoline, Propane, Natural Gas | 457cc Westinghouse 4-stroke OHV | 9500 | 120/240V 14–50R 50A, 120/240V L14-30R 30A, two GFCI 120V 5–20R 20A |
| Generac 12,500 Starting Watt T | — | 500cc Generac OHV | 9500 | Two 120V 20A GFCI, 120/240V 30A twist-lock, 120/240V 50A |
| Westinghouse 28000 Peak Watt T | — | — | — | — |
| Westinghouse 13500 Peak Watt T | — | 500cc Westinghouse 4-Stroke OHV | 10500 (Gasoline), 9500 (Propane), 8500 (Natural Gas) | Two GFCI 120V 5–20R, Transfer switch ready 120V L14-30R, RV ready 120/240V 14–50R |
| Westinghouse 14500 Peak Watt T | Gasoline, Propane, Natural Gas | 550cc 4-Stroke OHV | 11,500 | — |
| GENMAX Tri Fuel Generator | Gasoline, Propane, Natural Gas | 458cc | — | Multiple including 120/240V AC 30A and 50A |
| Westinghouse 12500 Peak Watt T | Gasoline, Propane, Natural Gas | — | 9,500 | — |
| DuroMax XP13000HXT 13,000-Watt | Gasoline, Propane, Natural Gas | 500cc OHV | — | Multiple including 50A transfer switch-ready |
| Westinghouse 12000 Peak Watt T | — | — | — | — |
| WEN 14,500-Watt Tri-Fuel Gener | — | 500cc 4-stroke OHV | — | Four 120V 5-20R, NEMA L14-30R, NEMA 14-50R, 12V DC |
| DuroStar DS13000MXT 13,000-Wat | Gasoline, Propane, Natural Gas | — | — | 4 total, transfer switch-ready |
| Westinghouse 18000 Peak Watt T | Gasoline, Propane, Natural Gas | — | 14,500 | Multiple including USB |
| WEN 14,500-Watt Tri-Fuel Gener | — | 500cc 4-stroke OHV | — | — |
| Champion 12,500-Watt Electric | Gasoline, Propane, Natural Gas | 500cc Champion engine | 10,000 | — |
More Details on Our Top Picks
Westinghouse 8200 Peak Watt Tri-Fuel Portable Inverter Generator with Remote Electric Start and CO Sensor
This model stands out for its balanced combination of power, fuel flexibility, and user-friendly features. Its inverter technology ensures quiet operation and clean power, making it suitable for sensitive electronics, unlike the larger, noisier options like the Westinghouse 28000. While the weight and size are not specified, limiting portability, its remote start and CO sensor add a layer of convenience and safety for backup use. Compared to the smaller Westinghouse 14500, this provides a more manageable size for those needing moderate power without the bulk of the larger units. The tradeoff involves slightly lower wattage and possibly less robustness for heavy industrial tasks, but it hits a sweet spot for home and recreational use.
Pros:- Versatile tri-fuel capability for flexible fuel choices
- Quiet inverter technology minimizes noise pollution
- Safe for electronics with low THD (<3%)
- Remote electric start adds convenience
Cons:- Exact weight and dimensions are not specified, affecting portability assessment
- Price information is missing, making value comparison difficult
Best for: Homeowners seeking a reliable, quiet, and flexible power source for backup or recreational activities
Not ideal for: Heavy-duty construction sites needing maximum wattage or industrial-grade durability
- Peak Watts:8200
- Running Watts:6600
- Fuel Types:Gasoline, Propane, Natural Gas
- Engine Displacement:298 cc
- Run Time:up to 17 hours at 25% load
- Tank Capacity:3.9 gallons
- THD:<3%
- Features:Remote start, CO sensor, automatic low oil shutdown, digital fuel gauge
Our verdict“This inverter generator excels for users prioritizing quiet operation, electronics safety, and flexible fuel options in a portable package.”
Westinghouse 12500 Peak Watt EFI Tri-Fuel Home Backup Portable Generator with Remote Electric Start
This generator offers significantly higher wattage than the inverter option, with advanced EFI technology ensuring easier starts and better efficiency across all fuel types. It surpasses the smaller Westinghouse 8200 in raw power, making it better suited for whole-house backup during outages. Its heavier weight and larger size reflect its higher capacity, which may limit portability for some users. The multiple transfer switch-ready outlets and safety features like low oil shutdown and CO sensor make it ideal for home use, especially when continuous power is needed. The main tradeoff is its cost and weight, which could be a barrier for those who need a lightweight, portable solution for camping or job sites.
Pros:- High wattage output suitable for whole-home backup
- Advanced EFI for reliable starts and fuel efficiency
- Multiple transfer switch-ready outlets
- Long runtime of up to 15 hours on a full tank
Cons:- Heavy and bulky, less portable for frequent transport
- Higher price point limits affordability for casual users
Best for: Homeowners looking for a robust, efficient backup generator capable of running larger appliances
Not ideal for: Campers or tailgaters who need lightweight, easy-to-move equipment
- Peak Watts:12500
- Running Watts:9500
- Fuel Types:Gasoline, Propane, Natural Gas
- Engine:457cc Westinghouse 4-stroke OHV
- Run Time:up to 15 hours
- Tank Capacity:6.6 gallons
- Outlets:120/240V 14–50R 50A, 120/240V L14-30R 30A, two GFCI 120V 5–20R 20A
- Features:Remote start, CO sensor
Our verdict“This generator is ideal for those needing substantial backup power with efficient operation, accepting the tradeoff of increased size and cost.”
Generac 12,500 Starting Watt Tri-Fuel Portable Generator with Electric Start
Compared with the Westinghouse EFI model, the Generac 12500 offers a similar wattage but emphasizes automatic voltage regulation and a robust engine, making it particularly suited for demanding environments like construction sites or RV use. Its heavier weight of 219 lbs indicates less portability but translates into durable, steady power delivery. The automatic voltage regulation and CO sensing add safety and stability, crucial for sensitive electronics and appliances. However, its complex setup and weight mean it’s less suitable for casual users or those needing lightweight equipment. It’s a solid choice for professionals who prioritize power quality and safety over ease of transport.
Pros:- Tri-fuel capability for versatile fuel use
- Automatic voltage regulation for stable power
- CO sensor enhances safety
- Large fuel tank provides extended runtime
Cons:- Heavy and less portable at 219 lbs
- Setup complexity may challenge beginners
Best for: Professionals needing dependable, stable power on job sites or for large RVs
Not ideal for: Campers or homeowners who need a lightweight, easy-to-move generator
- Starting Watts:12500
- Running Watts:9500
- Fuel Tank Capacity:7.5 gallons
- Runtime at 50% load:9.5 hours
- Runtime at 25% load:14 hours
- Weight:219 lbs
- Outlets:Two 120V 20A GFCI, 120/240V 30A twist-lock, 120/240V 50A
- Engine:500cc Generac OHV
Our verdict“This generator is best suited for users who need consistent, high-quality power in demanding environments and can handle its weight and setup complexity.”
Westinghouse 28000 Peak Watt Tri-Fuel Portable Generator with Remote Electric Start
This model delivers impressive peak wattage, making it suitable for large homes or demanding construction sites. Its heavy-duty engine and large fuel capacity of 17.2 gallons allow extended operation, outperforming smaller units like the Westinghouse 13500 in raw power. The portability features—large wheels, foldable handles—ease transport despite the overall size. However, this size and weight make it less ideal for frequent movement or casual use. The high fuel consumption at peak load is a tradeoff for its enormous power output. Compared to the smaller Westinghouse 14500, this is a better choice for large-scale power needs but overkill for typical backup scenarios.
Pros:- Extremely high peak and running wattage for large loads
- Tri-fuel capability for flexibility
- Heavy-duty engine and durable construction
- Large fuel tank supports long operation
Cons:- Very heavy and large, difficult to move frequently
- High fuel consumption at peak load increases operational cost
Best for: Large households, contractors, or job sites requiring high wattage and extended runtime
Not ideal for: Users needing a lightweight, portable generator for occasional or recreational use
- Peak Wattage (Gasoline):28000 watts
- Running Wattage (Gasoline):20000 watts
- Peak Wattage (Propane):25200 watts
- Running Wattage (Propane):18000 watts
- Peak Wattage (Natural Gas):22400 watts
- Running Wattage (Natural Gas):16000 watts
- Run Time:up to 15 hours at 25% load
- Tank Capacity:17.2 gallons
Our verdict“This generator is ideal for those needing maximum power output for large-scale applications, accepting its size and fuel demands as tradeoffs.”
Westinghouse 13500 Peak Watt Tri-Fuel Portable Generator with Remote Electric Start
This model balances moderate wattage with a long runtime of up to 19 hours, making it a practical choice for backup power. Its tri-fuel capability provides flexibility similar to the larger units like the Westinghouse 14500 but with a smaller footprint. The remote start enhances convenience, especially in emergency scenarios. Its 9.5-gallon tank allows extended operation, but the size and weight are still significant for portability, making it less suitable for frequent transport or outdoor recreation. Compared to the smaller inverter in this lineup, it offers more power and runtime but at the cost of increased bulk and complexity, ideal for backup rather than portable use.
Pros:- Long runtime of up to 19 hours on a full tank
- Tri-fuel flexibility for diverse fuel sources
- Remote start for ease of use during emergencies
- Transfer switch-ready outlets for hassle-free backup
Cons:- Relatively large and heavy for transport
- Residual odor from factory testing may be present
Best for: Homeowners needing reliable backup power with long runtime and versatility
Not ideal for: Campers or tailgaters who prefer lightweight portable units
- Peak Watts:13500 (Gasoline), 12500 (Propane), 10000 (Natural Gas)
- Running Watts:10500 (Gasoline), 9500 (Propane), 8500 (Natural Gas)
- Fuel Tank Capacity:9.5 gallons
- Run Time:up to 19 hours
- Engine:500cc Westinghouse 4-Stroke OHV
- Outlets:Two GFCI 120V 5–20R, Transfer switch ready 120V L14-30R, RV ready 120/240V 14–50R
Our verdict“This generator is suited for users prioritizing extended runtime and fuel versatility for home backup, accepting its size as a tradeoff.”
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator with Remote Electric Start
This model stands out for its exceptional peak wattage of 14,500, making it well-suited for demanding home backup or construction sites. Its long runtime of up to 19 hours on gasoline and broad fuel compatibility—gasoline, propane, and natural gas—offer unmatched versatility compared to smaller or single-fuel options like the Westinghouse 12500 Peak Watt. The remote electric start adds convenience, especially during outages. However, its heaviness and large size make transport less practical, and the price may be higher than simpler models. This generator is best for users who prioritize raw power and extended runtime over portability. Residual fuel or oil odor from factory testing could be a minor concern for sensitive users.
Pros:- Unmatched peak wattage for demanding appliances
- Long runtime ideal for extended outages
- Fuel flexibility on gasoline, propane, and natural gas
- Low THD safe for sensitive electronics
Cons:- Heavy and bulky, difficult to move without assistance
- Potential residual odor from factory testing
Best for: Homeowners needing reliable, high-capacity backup power during extended outages or construction projects.
Not ideal for: Campers or RV users needing lightweight, portable units for frequent transport, due to its weight and size.
- Peak Watts:14,500
- Running Watts:11,500
- Fuel Types:Gasoline, Propane, Natural Gas
- Engine:550cc 4-Stroke OHV
- Runtime:Up to 19 hours (gasoline)
- Fuel Tank Capacity:9.5 gallons
Our verdict“This generator is perfect for users seeking maximum power and runtime, accepting lower portability for robust performance.”
GENMAX Tri Fuel Generator, 10500-Watt 458cc Portable Gasoline Propane Natural Gas Generator with Remote Start
This generator offers a solid 10,500 watts, making it capable of supporting essential home appliances or workshops. Its multiple outlets and remote start provide ease of use comparable to the Westinghouse 12500 but at a potentially lower cost, making it appealing for budget-conscious buyers. The comprehensive safety features and multi-fuel capability reduce worries about fuel shortages. However, it’s relatively heavy, limiting portability, and the need for a separate bonding plug adds an extra step for proper setup. Compared with premium models like the Westinghouse 14500, it sacrifices some peak wattage and extra features but offers reliable power for typical home needs. It suits users who want versatility without the highest power demands.
Pros:- Versatile fuel options reduce dependency on one fuel type
- Remote start for convenience
- Affordable compared to higher-capacity models
- Multiple outlets support various appliances
Cons:- Heavier than portable inverter generators
- Requires additional bonding plug for proper setup
Best for: Homeowners seeking dependable tri-fuel power without the high cost or extreme capacity of larger units.
Not ideal for: Heavy-duty users or those needing to power entire large homes during outages, due to its moderate wattage and weight.
- Power:10500W starting
- Engine:458cc
- Fuel Types:Gasoline, Propane, Natural Gas
- Outlets:Multiple including 120/240V AC 30A and 50A
- Warranty:3 years
Our verdict“This generator delivers reliable, versatile power suitable for typical backup needs at a fair price, with some portability limitations.”
Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator with Remote Electric Start
Compared to larger models like the Westinghouse 14500, this unit offers slightly less peak wattage but remains a capable backup with up to 12,500 peak watts. Its lightweight design and 6.6-gallon tank make it more manageable for home use, especially for users who prioritize mobility. The remote electric start and multiple outlets, including transfer switch readiness, make it practical for home emergencies. However, it’s less suited for extended power needs due to its smaller tank and runtime of approximately 12 hours. Its residual odor from factory testing may bother sensitive environments. This generator strikes a balance between power, portability, and price for those not requiring maximum output.
Pros:- Lightweight and easier to transport
- Remote start for convenience
- Multiple outlets including transfer switch-ready
- Relatively compact for a portable generator
Cons:- Lower peak wattage limits high-demand appliances
- Shorter runtime compared to larger models
Best for: Small households or RV owners needing reliable backup with easier portability.
Not ideal for: Users with high power demands or wanting prolonged runtime, as capacity is more limited.
- Peak Watts:12,500
- Running Watts:9,500
- Fuel Tank Capacity:6.6 gallons
- Runtime:Up to 12 hours
- Fuel Types:Gasoline, Propane, Natural Gas
Our verdict“This generator offers a practical, portable solution for small-scale backup power, sacrificing some capacity for ease of use.”
DuroMax XP13000HXT 13,000-Watt Tri Fuel Portable Generator with CO Alert
The DuroMax XP13000HXT clearly targets users needing full-home backup capability, with an impressive 13,000 watts output. Its powerful 500cc engine supports large loads, and the CO alert feature enhances safety during operation. Its push-button and remote start streamline startup, matching the convenience of models like the Westinghouse 14500. Despite its high wattage, it’s heavy and bulky, making mobility a challenge for casual users or frequent transport. It’s ideal for serious backup scenarios, but the size and cost might deter those with modest power needs or limited budgets. Compared to inverter generators, this model emphasizes raw power over noise reduction, so it’s not suited for quiet neighborhoods or camping.
Pros:- High wattage suitable for whole-home backup
- Includes safety features like CO alert
- Remote start for ease of use
- Multiple heavy-duty outlets
Cons:- Very heavy and less portable
- Higher price point for casual users
Best for: Homeowners or small business owners requiring substantial, reliable power with safety features during outages.
Not ideal for: Campers or users needing portability and quiet operation, due to its weight and size.
- Power Output:13,000 watts
- Engine:500cc OHV
- Fuel Types:Gasoline, Propane, Natural Gas
- Start Type:Push Button, Remote
- Outlets:Multiple including 50A transfer switch-ready
Our verdict“This generator is an excellent choice for those who need consistent, high-capacity power with safety, accepting portability tradeoffs.”
Westinghouse 12000 Peak Watt Tri-Fuel Portable Inverter Generator with Remote Start and Transfer Switch Compatibility
This inverter generator excels in providing up to 12,000 peak watts while maintaining quiet operation at 64 dBA, making it suitable for neighborhoods or RV use. Its long runtime of up to 19 hours on a 7.9-gallon tank ensures extended power during outages. The tri-fuel capability offers great flexibility, and the transfer switch compatibility simplifies connection to home circuits. Compared to larger, noisy conventional generators like the Westinghouse 14500, this model prioritizes noise reduction and fuel efficiency, though its heavier weight and more complex setup can challenge users unfamiliar with inverter technology. Its high initial cost may also be a barrier for casual users, but it’s ideal for those seeking quiet, reliable power.
Pros:- Quiet operation ideal for neighborhood use
- Long runtime on large fuel tank
- Versatile tri-fuel operation
- Transfer switch-ready for easy home hookup
Cons:- Heavier than traditional portable generators
- Higher initial cost and setup complexity
Best for: Homeowners wanting quiet, efficient backup power with sensitive electronics support, and RV travelers needing portable power.
Not ideal for: Users who prioritize maximum wattage or need a lightweight, easy-to-move generator for frequent transport.
- Peak Power:12,000W
- Running Power:9,000W (gasoline), 8,100W (propane), 7,200W (natural gas)
- Fuel Tank Capacity:7.9 gallons
- Runtime at 25% load:Up to 19 hours
- Noise Level:64 dBA
Our verdict“This inverter generator offers a quiet, fuel-efficient solution for whole-home backup and RV power, with some setup and portability considerations.”
WEN 14,500-Watt Tri-Fuel Generator with Electric Start and CO Watchdog
This WEN model stands out for its impressive 14,500 surge watts and ability to operate on gasoline, propane, or natural gas, making it highly adaptable for different fuel supplies. It includes safety features like a CO Watchdog sensor, which adds peace of mind during extended use. Compared to the smaller Westinghouse or Champion options, this generator offers longer runtime and a more robust power output, but it comes with a heavier weight and bulkier profile, which may challenge portability. The electric start simplifies operation, especially during emergencies, but setup for propane and natural gas connections requires some mechanical work. Overall, this generator is a strong choice for users needing reliable, multi-fuel power with safety in mind, willing to handle its size and higher price.
Pros:- Operates on gasoline, propane, and natural gas for maximum flexibility
- Includes CO Watchdog sensor for enhanced safety
- Electric start for quick, effortless operation
- Long runtime of up to 12 hours at half load
Cons:- Heavy and bulky, reducing portability
- Higher price point compared to smaller models
- Requires proper setup for propane and natural gas connections
Best for: Homeowners seeking a reliable, high-capacity backup with multi-fuel flexibility and safety features
Not ideal for: Campers or tailgaters who prioritize portability and lightweight design
- Surge Watts (Gasoline):14500
- Running Watts (Gasoline):11500
- Tank Capacity:8.2 gallons
- Runtime at half load:12 hours
- Engine:500cc 4-stroke OHV
- Outlets:Four 120V 5-20R, NEMA L14-30R, NEMA 14-50R, 12V DC
Our verdict“This generator suits users who need a powerful, safe, multi-fuel solution and can manage its size and cost.”
DuroStar DS13000MXT 13,000-Watt Tri Fuel Portable Generator with Electric Start and CO Alert
The DuroStar DS13000MXT offers a robust 13,000-watt peak power, making it ideal for large-scale emergency backup. Its ability to run on gasoline, propane, or natural gas provides excellent fuel flexibility, similar to the Westinghouse WGen14500TFc but with a more portable design. Its electric start and CO alert system enhance safety and ease of use, yet its weight and size make it less suitable for frequent transport or outdoor portability. The high power output means it can handle most home appliances simultaneously, but for users with smaller needs or limited mobility, this may be overkill. Overall, it offers a balanced mix of power, safety, and fuel versatility for those who prioritize home backup over portability.
Pros:- High 13,000-watt peak power for comprehensive home backup
- Runs on gasoline, propane, or natural gas for fuel choice
- Electric start and CO Alert enhance safety and convenience
- Includes a fully equipped power panel with transfer switch readiness
Cons:- Heavy and less portable due to size
- Requires management of multiple fuel types and connections
- Overpowered for small or occasional use
Best for: Homeowners requiring a high-capacity, tri-fuel backup generator with easy starting features
Not ideal for: Individuals needing a lightweight, portable generator for outdoor activities
- Wattage:13000 watts
- Fuel Types:Gasoline, Propane, Natural Gas
- Tank Volume:8.3 gallons
- Runtime:13 hours
- Engine Type:4-Stroke OHV
- Outlets:4 total, transfer switch-ready
Our verdict“Ideal for users looking for a high-capacity, flexible generator primarily for home backup, accepting its bulkiness.”
Westinghouse 18000 Peak Watt Tri-Fuel Portable Generator with Remote Electric Start and CO Sensor
The Westinghouse WGen14500TFc offers impressive peak watts at 18,000, with a steady 14,500 running watts, comparable to larger models like the DuroStar but with added convenience of remote electric start. Its ability to operate on gas, propane, or natural gas makes it a flexible choice for job sites or emergency power, especially with its low THD for sensitive electronics. However, its 74 dBA noise level and substantial weight reduce portability, making it better suited for stationary use or situations where noise is less critical. The multiple outlets, including USB ports, support diverse power needs, but its high fuel consumption on gas can increase operational costs. This generator is best for those who prioritize power and remote operation over portability.
Pros:- High peak wattage of 18,000 for demanding applications
- Remote electric start for added convenience
- Tri-fuel capability for flexible fuel sourcing
- Low THD safe for sensitive electronics
Cons:- Relatively loud operation at 74 dBA
- Heavy and bulky for transport
- High fuel consumption on gas
Best for: Construction professionals or emergency planners needing high wattage with remote start features
Not ideal for: Campers or outdoor enthusiasts requiring lightweight, portable equipment
- Peak Watts:18,000
- Running Watts:14,500
- Fuel Types:Gasoline, Propane, Natural Gas
- Tank Capacity:10.5 gallons
- Noise Level:74 dBA
- Outlets:Multiple including USB
Our verdict“This generator excels in high-power, remote start, and multi-fuel performance but is less suitable for those needing portability or quiet operation.”
WEN 14,500-Watt Tri-Fuel Generator with Electric Start and Wheel Kit
The WEN 14,500-Watt model with a wheel kit emphasizes extended runtime and ease of movement. It shares core features with the first WEN generator, including multi-fuel operation, electric start, and safety features, but adds a wheel kit for better handling around a property or job site. Its large 8.2-gallon tank supports up to 12 hours of runtime at half load, making it suitable for prolonged outages. However, its size and weight still challenge portability, and setup for natural gas or propane connections can be complex for beginners. This pick makes the most sense for users who need dependable power at home or on a job site and value mobility within a stationary environment.
Pros:- Supports multiple fuel types for versatility
- Wheel kit facilitates movement around a property
- Large 8.2-gallon tank for extended runtime
- Electric start for convenience
Cons:- Heavy and still bulky despite wheels
- Complex setup for natural gas and propane connections
- Higher price point
Best for: Homeowners or small contractors needing a durable, long-runtime generator with mobility within a fixed location
Not ideal for: People seeking a lightweight, easy-to-carry portable generator for outdoor activities
- Surge Watts / Running Watts:14500 / 11500
- Tank Capacity:8.2 gallons
- Runtime:Up to 12 hours
- Engine:500cc 4-stroke OHV
- Includes:Wheel kit, hoses, accessories
Our verdict“Best suited for users needing a reliable, long-lasting generator with improved mobility for stationary use.”
Champion 12,500-Watt Electric Start Tri Fuel Portable Generator
The Champion 12,500-Watt generator offers a versatile tri-fuel design with electric start, making it ideal for users who prioritize portability and smart monitoring. Its smaller size compared to larger models like Westinghouse or DuroStar makes it easier to handle, though it still provides ample power for most home backup needs. The included intelligauge offers real-time output and maintenance alerts, enhancing user control. However, its performance can be influenced by the quality and availability of fuel, and its weight requires effort for transport. This generator suits those wanting a compact, easy-to-use backup with advanced features, but it may fall short for very high-power or large-scale needs.
Pros:- Tri-fuel operation for maximum flexibility
- Electric start with battery included
- Built-in intelligauge for monitoring and maintenance
- Compact and lightweight design
Cons:- Performance depends on fuel quality
- Less power than larger models, possibly limiting for big loads
- Fuel hoses may need replacement over time
Best for: Small households or RV owners seeking a portable, feature-rich tri-fuel generator
Not ideal for: Heavy-duty industrial or large home backup scenarios requiring maximum power
- Starting Watts:12,500
- Running Watts:10,000
- Engine:500cc Champion engine
- Fuel Types:Gasoline, Propane, Natural Gas
- Warranty:3-year limited
- Includes:Natural gas and propane hoses, battery
Our verdict“This generator is excellent for users who want a portable, smart, tri-fuel backup for smaller-scale needs and easy operation.”

How We Picked
Products were evaluated based on power output, fuel switching ease, build quality, safety features, usability, and overall value. Generators with reliable performance, user-friendly controls, and durable construction ranked higher. We prioritized models that offer true multi-fuel capability without excessive complexity or cost. The ranking reflects a balance between raw power, safety features, and affordability, aiming to serve a range of users from homeowners to outdoor enthusiasts.Factors to Consider When Choosing Tri Fuel Generator Gasoline Propane Natural Gas
When selecting a tri fuel generator, it’s essential to consider several factors beyond just power output. Fuel switching ease and safety features can significantly impact usability, especially during emergencies. Durability and maintenance requirements influence long-term satisfaction, while price should align with your specific needs and expected usage. Understanding these broader considerations helps prevent common pitfalls like overpaying for unnecessary features or choosing underpowered units for critical applications.Power Output and Capacity
Assess your total power needs by identifying essential appliances and tools you plan to run simultaneously. Generators range from around 10,000 to over 20,000 watts—higher capacity models handle larger loads but tend to be heavier and more expensive. For backup home use, a reliable 12,000-15,000 watt unit often strikes the right balance. Heavy-duty applications, like RVs or construction sites, may require even more capacity, but always match your specific power demands to avoid overspending or underperformance.
Fuel Switching and Compatibility
Effective fuel switching is a key advantage of tri fuel systems, offering flexibility and fuel availability. Some models transition seamlessly with a simple switch, while others require manual adjustments or fuel line modifications. Consider how often you’ll switch fuels and the complexity involved—automatic or easy manual switching adds convenience. Additionally, confirm the compatibility with your preferred fuel sources, especially if you plan to use natural gas from a home line or propane tanks.
Safety Features and Reliability
Features like CO sensors, remote start, and low-oil shutdown enhance safety and ease of use, especially in emergency scenarios. Look for models with robust safety alarms and protections against overloads. Reliability is also tied to build quality, engine durability, and warranty support. Choosing a generator with proven safety features helps prevent accidents, while durable construction reduces maintenance costs over time.
Portability and Size
Portability considerations depend on how you plan to use the generator. Compact, inverter-style models are easier to transport and store, ideal for camping or outdoor events. Larger, high-capacity units tend to be heavier and often require wheels or handles for mobility. Think about storage space and whether you need frequent movement, as this influences your choice between lightweight, portable units and more substantial backup power stations.
Price and Long-term Value
Initial cost is only part of the total value. Premium models with advanced safety features, higher power capacity, and longer warranties justify higher prices but may save money over time through durability and lower maintenance. Conversely, budget options can be tempting but often compromise on runtime, noise levels, or safety features. Consider your long-term use and whether investing in a higher-quality unit provides better value for your specific needs.
Frequently Asked Questions
Can I run my entire house on a tri fuel generator?
Running an entire house depends on the generator’s power capacity and your home’s load requirements. Most tri fuel generators in this category are designed for essential circuits or partial load, not whole-home operation. To power everything, you’d need a very high-capacity model and a proper transfer switch installed by a professional. For most homeowners, these generators serve as backup for critical appliances rather than full-house power.
Is it easy to switch between fuels in a tri fuel generator?
Many modern tri fuel generators feature straightforward switching mechanisms, often involving a simple valve or switch. However, some models require manual adjustments, such as changing fuel lines or removing certain components. It’s important to familiarize yourself with the specific process for your chosen model, especially if you anticipate frequent fuel switching. Automatic or push-button options tend to be more convenient and reduce the risk of mistakes.
What maintenance do tri fuel generators require?
Maintenance typically includes oil changes, spark plug replacements, and air filter cleaning, similar to single-fuel generators. Since these units often operate on different fuels, checking fuel lines, valves, and carburetors periodically is recommended. Natural gas models tend to require less maintenance because they burn cleaner, while gasoline models may need more frequent tune-ups. Proper storage and regular testing help ensure reliable operation when needed most.
How noisy are tri fuel generators?
Noise levels vary widely based on size and design. Inverter-based models tend to be quieter, making them suitable for camping or residential use, while larger open-frame units produce more noise, which can be disruptive. Consider your environment and whether noise restrictions apply—quiet models often come with additional cost but improve user comfort during prolonged operation. Always review decibel ratings to match your typical usage setting.
Are tri fuel generators more expensive than single-fuel units?
Generally, tri fuel generators cost more upfront because of their complex fuel switching mechanisms and additional components. However, the added versatility can save money in the long run by allowing you to use whichever fuel source is most economical or available, especially during emergencies. For casual or occasional use, the extra expense might not be justified, but for those relying on backup power or outdoor work, the investment often pays off through flexibility and reliability.
Conclusion
For homeowners seeking reliable backup power, the Westinghouse 12500 Peak Watt EFI Tri-Fuel Generator offers a solid balance of performance, safety, and ease of use. Those on a budget or needing a portable option might prefer the WEN 14,500-Watt Generator with CO Watchdog for its affordability and safety features. Heavy-duty users or professionals requiring maximum power should consider the Westinghouse 28000 Peak Watt Model for its massive capacity. Beginners or occasional campers will find inverter models lighter and easier to handle, while advanced users should prioritize models with automatic fuel switching and safety sensors. Your choice ultimately depends on your power needs, budget, and usage scenarios—match these factors carefully to select the best tri fuel generator for 2026.
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