Brands FIRMAN

Dual-fuel generator

FIRMAN T08072 10000W Tri Fuel Portable

A tri-fuel portable generator rated at 8,000 running and 10,000 starting watts, with an 8-gallon tank and up to 12 hours of runtime at 25% load. It has 120/240V output for a transfer switch. FIRMAN rates it at 74 dB(A).

Running watts
8,000 W
Starting / surge watts
10,000 W
Fuel
gasoline, propane, natural gas
Best for
Home backup for essentials like a fridge, sump pump and freezer, plus jobsite tools.
Not for
Quiet campgrounds and RV parks, since it is an open-frame, non-inverter design. Carrying by hand: it weighs 213 lb.

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Specifications

Power
Running watts8,000 W
Starting / surge watts10,000 W
Fuelgasoline, propane, natural gas
Inverter (clean power)No
Runtime
Runtime at 25% load12 h
Fuel tank8 gal
Outlets
Outlets120/240V L14-30R, 120/240V 14-50R, 120V L5-30R, 120V 5-20R
Build
Noise74 dB(A)
Weight213 lb
Safety & compliance
Standard warranty3 years

Checked 29 October 2026. Sources: firmanpowerequipment.com.