Cummins Onan P9500df vs Westinghouse WGen9500DFc
What is the difference?
The Cummins Onan P9500df has 7.5 kW of running power, 9.5 kW peak. The Westinghouse WGen9500DFc has 9.5 kW of running power, 12.5 kW peak.
Both are dual-fuel.
The Cummins Onan P9500df runs 11 h at half load, the Westinghouse WGen9500DFc runs 8 h at half load. The Cummins Onan P9500df runs longer on a tank.
Both have a 6.6 gal tank.
The Cummins Onan P9500df weighs 194 lb, the Westinghouse WGen9500DFc weighs 211 lb. The Cummins Onan P9500df is easier to carry.
Both have a 3-year warranty.
Both have 120/240 V AC output.
Specs side by side
| Cummins Onan P9500df | Westinghouse WGen9500DFc | |
|---|---|---|
| Running W | 7500 | 9500 |
| Peak W | 9500 | 12500 |
| Fuel | dual-fuel | dual-fuel |
| Tank (gal) | 6.6 | 6.6 |
| Run time @50 % (h) | 11 | 8 |
| Noise (dB) | — | 74 |
| CO shutoff | — | yes |
| Weight (lb) | 194 | 211 |
| Warranty (yr) | 3 | 3 |
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Specs as read from manufacturer pages on 2026-10-31 / 2026-10-25. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.
Common questions
Which has more running watts, Cummins Onan P9500df or Westinghouse WGen9500DFc?
The Westinghouse WGen9500DFc. More running watts: 9500 W vs 7500 W.
Which is lighter, Cummins Onan P9500df or Westinghouse WGen9500DFc?
The Cummins Onan P9500df. Lighter: 194 lb vs 211 lb.
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