The WGen7500 puts out 7,500 W continuously and up to 9,500 W for a few seconds when a motor starts. It runs up to 11 h at 25% load on a full 6.6 gal25 L tank. It weighs 196 lb88.9 kg. Noise is rated at 72 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 | 7,500 W 1 |
| Starting output | 9,500 W 1 |
| Voltage | 120/240 V 1 |
| Engine | |
| Engine | Westinghouse OHV 4-stroke, cast iron sleeve 1 |
| Displacement | 420 cc 1 |
| Fuel | Gasoline 1 |
| Starting | Electric, remote and recoil 1 |
| Fuel and run time | |
| Tank | 6.6 gal25 L 1 |
| Run time | 11 h 1at 25% loadThe same Westinghouse page also says "up to 16 hrs" in its summary; its spec table says 11. |
| Size and noise | |
| Weight | 196 lb88.9 kg 1Dry weight. Shipping weight is 206 lb. |
| Length × width × height | 27.2 × 26.1 × 26 in691 × 663 × 660 mm 1 |
| Noise | 72 dBA 1distance and load not stated |
| Outlets | |
| Outlets | 2 × 120 V GFCI duplex (5-20R) 1 × 120/240 V twist-lock (L14-30R) |
| 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 WGen7500. Brands often sell the same name under several numbers with small differences, so check the label on the frame.
Compare
Often compared: Generac GP8000E, Westinghouse WGen9500DF, Generac GP6500
Questions people ask
How much oil does the Westinghouse WGen7500 take?
37.2 fl oz1.10 L. Oil type: 10W-30.
How long does the Westinghouse WGen7500 run on a tank?
11 h. That's at 25% load, according to the source. More load means less time.
How much does the Westinghouse WGen7500 weigh?
196 lb88.9 kg. Dry weight. Shipping weight is 206 lb.
How loud is the Westinghouse WGen7500?
72 dBA. The source doesn't say at what distance or load it was measured, so compare it with care.
What's the difference between 7,500 W and 9,500 W?
7,500 W is what it can supply continuously. 9,500 W is a short burst for the moment a motor (a fridge, a pump, an AC unit) starts up.
Sources
- Westinghouse WGen7500 product page. Manufacturer, accessed November 11, 2026.
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