Head to head
DuroMax XP13000EH vs Firman H08051 Dual Fuel 8000W
DuroMax · Portable Generator
DuroMax XP13000EH
~$1,299
10,500 W / 13,000 W surge · up to well pump or a small central AC
Firman · Portable Generator
Firman H08051 Dual Fuel 8000W
~$1,400
8,000 W / 10,000 W surge · up to well pump or a small central AC
Quick takeThe DuroMax XP13000EH lists about $101 lower; the DuroMax XP13000EH puts out more sustained power (10,500 W).
| Spec | DuroMax XP13000EH | Firman H08051 Dual Fuel 8000W |
|---|---|---|
| Approx. price | ~$1,299 | ~$1,400 |
| Type | Portable Generator | Portable Generator |
| Fuel | Dual Fuel (Gas/Propane) | Dual Fuel (Gas/Propane) |
| Running / output watts | 10,500 W | 8,000 W |
| Starting / surge watts | 13,000 W | 10,000 W |
| Battery capacity | — | — |
| Expandable to | — | — |
| Noise | 74 dB | 74 dB |
| Runtime | 8 hrs @ 50% load (8.3 gal gas); ~3 hrs on 20-lb propane | Up to 12 hrs at 50% load on 8 gal (gasoline); 7,250 W running on propane |
| Outlets | 2x 120V 20A GFCI (5-20R), 1x 120V 30A (L5-30R), 1x 120/240V 30A (L14-30R), 1x 120/240V 50A (14-50R) | 1x 120V 20A GFCI (5-20R duplex), 1x 120V 30A (L5-30R), 1x 120/240V 30A (L14-30R), 1x 120/240V 50A (14-50R) |
| Fuel tank | 8.3 gal | 8 gal |
| Weight | 234 lbs | 212 lbs |
| Transfer-switch ready | Yes | Yes |
| Warranty | 3-year limited | 3-year |
Highlighted cell is the better figure for that row.
Owner pros and cons
DuroMax XP13000EH
- +Starts well pumps and heat pumps that stall smaller generators
- +MX2 switch dedicates full output to 120V when needed
- +All-metal frame and panel survive job-site abuse
- +50A, two 30A, and GFCI household outlets cover everything
- +Strong value at 8¢/starting-watt
- −Very loud under load — plan distance and sound walls
- −High THD non-inverter power, a concern for sensitive electronics
- −Propane runtime is only ~3 hours on a 20-lb tank
- −234 lbs — barely mobile on soft ground
- −Starter, carb and governor problems turn up in owner reports
Firman H08051 Dual Fuel 8000W
- +14-50R and L14-30R on the same panel
- +Electric and recoil start
- +Propane regulator included, with a hose holder
- −No CO alert listed, unlike the H08052 variant
- −Only 7,250 W when running on propane
- −212 lbs and 74 dB at a quarter load, louder once appliances are running