Cummins Onan P9500df vs WEN DF1100T
What is the difference?
The Cummins Onan P9500df has 7.5 kW of running power, 9.5 kW peak. The WEN DF1100T has 8.3 kW of running power, 11 kW peak.
Both are dual-fuel.
The Cummins Onan P9500df runs 11 h at half load, the WEN DF1100T runs 8.5 h at half load. The Cummins Onan P9500df runs longer on a tank.
The Cummins Onan P9500df has a 6.6 gal tank, the WEN DF1100T has a 6.6 gal tank.
The Cummins Onan P9500df has a 3-year warranty, the WEN DF1100T has a 2-year warranty.
Both have 120/240 V AC output.
Specs side by side
| Cummins Onan P9500df | WEN DF1100T | |
|---|---|---|
| Running W | 7500 | 8300 |
| Peak W | 9500 | 11000 |
| Fuel | dual-fuel | dual-fuel |
| Tank (gal) | 6.6 | 6.6 |
| Run time @50 % (h) | 11 | 8.5 |
| Noise (dB) | — | — |
| CO shutoff | — | — |
| Weight (lb) | 194 | — |
| Warranty (yr) | 3 | 2 |
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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 WEN DF1100T?
The WEN DF1100T. More running watts: 8300 W vs 7500 W.
Which has the longer warranty, Cummins Onan P9500df or WEN DF1100T?
The Cummins Onan P9500df. Longer warranty: 3 years vs 2 years.
More comparisons
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- WEN DF1100T vs Westinghouse WGen9500DFc
- WEN DF1100T vs DuroMax XP13000HX
- WEN DF1100T vs Champion 11500-Watt Tri Fuel
- WEN DF1100T vs Champion 11000-Watt Dual Fuel Home Backup Inverter
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