Compare Generators Side-by-Side

Generator

Generator

10000 W

213 lbs

12 h

120/240

120/240

439 cc OHV 4-stroke.

457 cc OHV 4-stroke

Recoil, Electric

Recoil, Electric

3 years

3 years

10000 W

10500 W

5500 W

7500 W

9050 W

9450 W

CARB, EPA, ANSI/PGMA G300-2023

EPA, ANSI/PGMA G300-2023

840876180723

8000

8550

5500

7500

9050

9450

12

10.5

1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)

1x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)

60

60

439 cc OHV 4-stroke

OHV 4-stroke

Cast iron sleeve

12

10.5

Low oil and overload protection.

Low oil and overload protection

Yes

3

The Firman T08072 is an 8,000-watt tri-fuel generator built for users who need flexibility across fuel sources and sustained power output. Running on gasoline, propane, or natural gas, this unit delivers 10,000 peak watts on startup, enough to handle simultaneous demands like air compressors, power tools, and household appliances. The tri-fuel capability means users can switch fuels based on availability and cost, a significant advantage for job sites, RV travel, or emergency backup where fuel supply chains vary. On gasoline, the T08072 runs at full 8,000 watts. On propane, output drops to 7,250 watts. On natural gas, it falls to 5,500 watts. This tiered output reflects the energy density of each fuel type and shapes what users can realistically power during extended outages or remote work. The 8-gallon tank delivers 12 hours of runtime at both 25% and 50% load on gasoline, meaning users can operate a moderate load overnight without refueling. For job sites and backup power scenarios, this runtime eliminates mid-shift fuel stops.

The WEN TF1050iX is an 8550-watt tri-fuel inverter generator that runs on gasoline, propane, or natural gas. This capacity sits at the threshold between mid-range jobsite power and whole-house backup. The inverter design delivers 1.2% THD, making it safe for laptops, televisions, and other sensitive electronics that would suffer damage from dirty power. Tri-fuel flexibility means you can match the available fuel source to your location or storage preference, though output varies by fuel type. On gasoline, the TF1050iX delivers its full 8550 running watts and 10500 starting watts. On propane, it maintains 8550 running watts but drops to 9450 starting watts. On natural gas, output falls to 7500 running watts and 8500 starting watts, a meaningful reduction if you depend on peak capacity. The 7.1-gallon fuel tank and 10.5-hour runtime at 50% load on gasoline mean you can run a moderate load overnight without refueling, though propane runtime drops to 5.8 hours at the same load. This generator bridges the gap between portable and stationary power, though its 209.4-pound weight requires serious planning for transport.