The iGen2500 puts out 2,200 W continuously and up to 2,500 W for a few seconds when a motor starts. It runs up to 12 h at 25% load on a full 1 gal3.8 L tank. It weighs 46.3 lb21 kg. It takes 0.37 qt0.35 L of engine oil, and the source recommends 10W-30. The spark plug is E6RTC, gap 0.032 in (0.80 mm).
Specifications
Units: /| Power | |
|---|---|
| Running output | 2,200 W 1 |
| Starting output | 2,500 W 1Westinghouse calls this peak watts. |
| Voltage | 120 V 1 |
| Inverter (clean power for electronics) | Yes 1 |
| Engine | |
| Displacement | 98 cc 1 |
| Fuel | Unleaded gasoline, 87 octane or higher, up to 10% ethanol 1 |
| Starting | Recoil 1 |
| Fuel and run time | |
| Tank | 1 gal3.8 L 1 |
| Run time | 12 h 2at 25% load |
| Size and noise | |
| Weight | 46.3 lb21 kg 2Dry weight. |
| Outlets | |
| Outlets | 1 × 120 V 20 A duplex (5-20R) USB duplex, 5 V DC (1 A and 2.1 A) |
Oil, spark plug and service
What to have on the bench before an oil change or tune-up.
| Oil capacity | 0.37 qt0.35 L 1 |
| Oil type | 10W-30 1 |
| Spark plug | E6RTC, gap 0.032 in (0.80 mm) 1 |
| Change oil every | After the first 20 hours or first month, then every 50 hours or 6 months 1 |
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 |
| Engine oil | 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 iGen2500. Brands often sell the same name under several numbers with small differences, so check the label on the frame.
Compare
Often compared: Honda EU2200i, Yamaha EF2200iS, WEN 56203i
Questions people ask
How much oil does the Westinghouse iGen2500 take?
0.37 qt0.35 L. Oil type: 10W-30. Oil change: After the first 20 hours or first month, then every 50 hours or 6 months.
What spark plug does the Westinghouse iGen2500 use?
E6RTC, gap 0.032 in (0.80 mm), according to the source. Check the plug in your unit before you buy a replacement.
How long does the Westinghouse iGen2500 run on a tank?
12 h. That's at 25% load, according to the source. More load means less time.
How much does the Westinghouse iGen2500 weigh?
46.3 lb21 kg. Dry weight.
What's the difference between 2,200 W and 2,500 W?
2,200 W is what it can supply continuously. 2,500 W is a short burst for the moment a motor (a fridge, a pump, an AC unit) starts up.
Sources
- Westinghouse user manual for iGen1200, iGen2000, iGen2500 and iPro2500. Owner's manual, accessed November 12, 2026.
- Westinghouse iGen2500 product page (archived copy). Manufacturer, accessed November 12, 2026.
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