FIRMAN P12002 15000W Portable
A gas portable generator rated at 12,000 running and 15,000 starting watts, with a 13-gallon tank and up to 11.5 hours of runtime at half load. It has 120/240V output for a transfer switch. FIRMAN rates it at 81 dB(A).
- Running watts
- 12,000 W
- Starting / surge watts
- 15,000 W
- Fuel
- gasoline
- Best for
- Heavy home backup through a transfer switch, including 240V loads like a well pump.
- Not for
- Quiet campgrounds and RV parks, since it is an open-frame, non-inverter design. Carrying by hand: it weighs 390 lb.
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Specifications
| Running watts | 12,000 W |
|---|---|
| Starting / surge watts | 15,000 W |
| Fuel | gasoline |
| Inverter (clean power) | No |
| Runtime at 50% load | 11.5 h |
|---|---|
| Fuel tank | 13 gal |
| Outlets | 120/240V L14-30R, 120/240V 14-50R, 120V L5-30R, 120V 5-20R |
|---|
| Noise | 81 dB(A) |
|---|---|
| Weight | 390 lb |
| Standard warranty | 3 years |
|---|
Checked 29 October 2026. Sources: firmanpowerequipment.com.