The iGen5000DFc puts out 3,900 W continuously and up to 5,000 W for a few seconds when a motor starts. On propane it's rated at 3,500 W running and 4,500 W starting. It runs up to 18 h on gasoline at 25% load on a full 3.4 gal12.8 L tank. It weighs 105.8 lb47.5 kg. Noise is rated at 52 dBA lowest level ("as low as"), distance and load not stated. It takes 0.63 qt0.6 L of engine oil, and the source recommends SAE 10W-30. The spark plug is F7RTC, gap 0.024–0.032 in (0.6–0.8 mm).
Specifications
Units: /| Power | |
|---|---|
| Running output | 3,900 W 1 |
| Starting output | 5,000 W 1Westinghouse calls this peak watts. |
| Running output on propane | 3,500 W 1 |
| Starting output on propane | 4,500 W 1 |
| Voltage | 120 V, 60 Hz 1 |
| Inverter (clean power for electronics) | Yes 1 |
| Engine | |
| Engine | OHV 4-stroke 2 |
| Displacement | 224 cc 2 |
| Fuel | Unleaded gasoline (87–93 octane) or propane 1Do not use E15 or E85. |
| Starting | Electric, remote and recoil 2 |
| Fuel and run time | |
| Tank | 3.4 gal12.8 L 1 |
| Run time | 18 h 2on gasoline at 25% loadOn propane: 22 hours at 25% load (tank size not stated). |
| Size and noise | |
| Weight | 105.8 lb47.5 kg 2Dry weight. |
| Length × width × height | 24.5 × 17.5 × 20 in622 × 445 × 508 mm 2 |
| Noise | 52 dBA 2lowest level ("as low as"), distance and load not stated |
| Outlets | |
| Outlets | 1 × 120 V duplex (5-20R) 1 × 120 V RV (TT-30R) 2 × USB |
| Other | |
| CO shutdown | CO sensor with automatic shutdown 2 |
| Warranty | 3 years limited residential, 1 year limited commercial 2 |
Oil, spark plug and service
What to have on the bench before an oil change or tune-up.
| Oil capacity | 0.63 qt0.6 L 1Westinghouse's product page lists 20.3 oz (0.6 qt). |
| Oil type | SAE 10W-30 1Don't use full synthetic oil during the break-in. |
| Spark plug | F7RTC, gap 0.024–0.032 in (0.6–0.8 mm) 1 |
| Change oil every | After the first 25 hours or first month, then every 50 hours or 6 months 1Every month when running under heavy load or in high temperatures. |
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 |
| 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 iGen5000DFc. Brands often sell the same name under several numbers with small differences, so check the label on the frame.
Compare
Often compared: Westinghouse iGen5000DFcv, Predator 5000 Dual Fuel Super Quiet Inverter, Westinghouse iGen4500
Questions people ask
How much oil does the Westinghouse iGen5000DFc take?
0.63 qt0.6 L. Oil type: SAE 10W-30. Oil change: After the first 25 hours or first month, then every 50 hours or 6 months.
What spark plug does the Westinghouse iGen5000DFc use?
F7RTC, gap 0.024–0.032 in (0.6–0.8 mm), according to the source. Check the plug in your unit before you buy a replacement.
How long does the Westinghouse iGen5000DFc run on a tank?
18 h. That's on gasoline at 25% load, according to the source. More load means less time.
How much does the Westinghouse iGen5000DFc weigh?
105.8 lb47.5 kg. Dry weight.
How loud is the Westinghouse iGen5000DFc?
52 dBA. Measured lowest level ("as low as"), distance and load not stated.
What's the difference between 3,900 W and 5,000 W?
3,900 W is what it can supply continuously. 5,000 W is a short burst for the moment a motor (a fridge, a pump, an AC unit) starts up.
Sources
- Westinghouse iGen5000DFc user manual. Owner's manual, accessed November 12, 2026.
- Westinghouse iGen5000DFc product page. Manufacturer, accessed November 12, 2026.
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