Generac GP17500E vs Westinghouse WGen12000DF
The Generac GP17500E is the more powerful unit: 17,500 running watts against 12,000 — about 31% more capacity for the Generac GP17500E. The Westinghouse WGen12000DF offers more fuel flexibility (gasoline, propane) where the Generac GP17500E runs on gasoline.
| Generac GP17500E | Westinghouse WGen12000DF | |
|---|---|---|
| Type | portable | portable |
| Fuel | gasoline | gasoline, propane |
| Running watts (gas / LP for standby) | 17500 W | 12000 W |
| Starting watts (gas) | 26250 W | 15000 W |
| Running watts (propane) | — | 10800 W |
| Starting watts (propane) | — | 13500 W |
| Runtime at 50% load (gas) | 10 h | — |
| Fuel tank | 16 gal | 10.5 gal |
| Output voltage | 120/240V | 120/240V |
| Transfer-switch-ready outlet | 50 A | 50 A |
| Outlets | — | 2x 5-20R, L5-30R, L14-30R, 14-50R, 2x USB |
| Start type | electric | remote electric |
| Engine | Generac OHVI | — |
| Engine displacement | 992 cc | 713 cc |
| Weight | 390 lb | 352 lb |
Frequently asked questions
Which is more powerful, the Generac GP17500E or the Westinghouse WGen12000DF?
The Generac GP17500E, at 17,500 running watts on its best fuel versus 12,000 W. Remember that dual-fuel and natural-gas ratings are lower than gasoline ratings — the comparison table shows the published per-fuel figures.
Where do these specifications come from?
Every record on BackupAtlas is hand-curated from manufacturer documentation and spec sheets, and each generator page links to its source document.