The FIRMAN Tri Fuel Portable Generator 9400/7500W Electric Start 120/240V (T07573) runs on 3 fuels; the other on 1. The Westinghouse Outdoor Power ecoGen10000 Inverter Generator is an inverter model; the other is not. The Westinghouse Outdoor Power ecoGen10000 Inverter Generator is listed $51 lower.
Side by side
| Specification | FIRMAN Tri Fuel Portable Generator 9400/7500W Electric Start 120/240V (T07573) | Westinghouse Outdoor Power ecoGen10000 Inverter Generator |
|---|---|---|
| Brand | FIRMAN | Westinghouse Outdoor Power |
| Running watts | 7,500 W | 7,600 W |
| Starting watts | 9,400 W | 10,000 W |
| Fuel types | Gasoline, Propane, Natural gas | Gasoline |
| Fuel tank (gasoline) | — | 5.28 gal |
| Runtime (as stated) | — | up to 12 h |
| Noise (as stated) | — | 79 dB |
| Weight | 211 lb | 147.7 lb |
| Starting system | Electric start | — |
| Inverter | No | Yes |
| Carbon monoxide shutoff | Listed | Listed |
| Parallel capable | — | — |
| Warranty | — | Warranty (Commercial) 1 Year Limited |
| Household appliances it can run by watts (calc) | 19 of 20 | 19 of 20 |
| Price per running watt (calc) | $0.18 | $0.17 |
| Price seen | $1,350 | $1,299 |
| Sellers | 1 | 1 |
Highlighted rows differ. Figures come from each product's sources; runtime, recharge and cost rows are Wattstanding calculations using the same method for both.
Which should you choose?
FIRMAN Tri Fuel Portable Generator 9400/7500W Electric Start 120/240V (T07573)
Choose the FIRMAN Tri Fuel Portable Generator 9400/7500W Electric Start 120/240V (T07573) if fuel flexibility matters.
Westinghouse Outdoor Power ecoGen10000 Inverter Generator
Choose the Westinghouse Outdoor Power ecoGen10000 Inverter Generator if you power sensitive electronics or price decides it.
Before you buy either
- Total your loads with the appliance load & runtime calculator.
- Confirm what each seller includes — accessories, software trials and bundles change often.
- Read the limitations on each full reference page.
Wattstanding compares published specifications; we have not tested these products side by side. How we work · Disclosure