The WGen9500DF puts out 9,500 W continuously and up to 12,500 W for a few seconds when a motor starts. On propane it's rated at 8,500 W running and 11,200 W starting. It runs up to 12 h on gasoline at 25% load on a full 6.6 gal25 L tank. It weighs 211 lb95.7 kg. Noise is rated at 74 dBA (the source doesn't give the distance or load). It takes 37.2 fl oz1.10 L of engine oil, and the source recommends 10W-30.
Specifications
Units: /| Power | |
|---|---|
| Running output | 9,500 W 1 |
| Starting output | 12,500 W 1 |
| Running output on propane | 8,500 W 1 |
| Starting output on propane | 11,200 W 1 |
| Voltage | 120/240 V 1 |
| Engine | |
| Engine | OHV 4-stroke 1 |
| Displacement | 457 cc 1 |
| Fuel | Gasoline or propane 1 |
| Starting | Electric, remote and recoil 1 |
| Fuel and run time | |
| Tank | 6.6 gal25 L 1 |
| Run time | 12 h 1on gasoline at 25% load8 hours at 50% load. On propane: 7 hours at 50% load. |
| Size and noise | |
| Weight | 211 lb95.7 kg 1Dry weight. Shipping weight is 226 lb. |
| Length × width × height | 27.2 × 26.1 × 26.5 in691 × 663 × 673 mm 1 |
| Noise | 74 dBA 1distance and load not stated |
| Outlets | |
| Outlets | 2 × 120 V GFCI duplex (5-20R) 1 × 120/240 V twist-lock (L14-30R) 1 × 120/240 V 50 A (14-50R) |
| Other | |
| CO shutdown | No CO sensor 1 |
| Emissions certification | Not CARB compliant 1 |
| Warranty | 3 years residential, 1 year commercial 1 |
Oil, spark plug and service
What to have on the bench before an oil change or tune-up.
| Oil capacity | 37.2 fl oz1.10 L 1Westinghouse also lists it as 1.1 qt. |
| Oil type | 10W-30 1 |
We're still missing some service figures for this model. Have the owner's manual? Send it over.
Parts
Search links for common parts. Check the part number against the label on your unit before you buy.
| Part | Find it |
|---|---|
| Air filter | Amazon · eBay |
| Spark plug | Amazon · eBay |
| Battery | Amazon · eBay |
| Generator cover | Amazon · eBay |
We may earn a small commission if you buy through these links. It doesn't change what we list. More.
Model numbers
This page covers model number WGen9500DF. Brands often sell the same name under several numbers with small differences, so check the label on the frame.
Compare
Often compared: DuroMax XP13000EH, Westinghouse WGen7500, DuroMax XP12000EH
Questions people ask
How much oil does the Westinghouse WGen9500DF take?
37.2 fl oz1.10 L. Oil type: 10W-30.
How long does the Westinghouse WGen9500DF run on a tank?
12 h. That's on gasoline at 25% load, according to the source. More load means less time.
How much does the Westinghouse WGen9500DF weigh?
211 lb95.7 kg. Dry weight. Shipping weight is 226 lb.
How loud is the Westinghouse WGen9500DF?
74 dBA. The source doesn't say at what distance or load it was measured, so compare it with care.
What's the difference between 9,500 W and 12,500 W?
9,500 W is what it can supply continuously. 12,500 W is a short burst for the moment a motor (a fridge, a pump, an AC unit) starts up.
Sources
- Westinghouse WGen9500DF product page. Manufacturer, accessed November 11, 2026.
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