The 3400-Watt Dual Fuel Inverter puts out 3,100 W continuously and up to 3,400 W for a few seconds when a motor starts. On propane it's rated at 2,790 W running and 3,060 W starting. It runs up to 7.5 h on gasoline at ¼ load on a full 1.6 gal6 L tank. It weighs 95.9 lb43.5 kg. Noise is rated at 59 dBA at 23 ft, load not stated. It takes 20.3 fl oz0.6 L of engine oil, and the source recommends 5W-30 for typical use; 10W-30 or 10W-40 depending on temperature. The spark plug is Champion F7RTC (original) or NGK BPR7ES, gap 0.022–0.028 in (0.55–0.7 mm).
Specifications
Units: /| Power | |
|---|---|
| Running output | 3,100 W 1 |
| Starting output | 3,400 W 1 |
| Running output on propane | 2,790 W 1 |
| Starting output on propane | 3,060 W 1 |
| Voltage | 120 V 1 |
| Inverter (clean power for electronics) | Yes 1 |
| Engine | |
| Engine | Champion 4-stroke OHV (YF170FD-L_G) 2 |
| Displacement | 192 cc 1 |
| Fuel | Gasoline (87 octane minimum, up to 10% ethanol) or propane 2 |
| Starting | Electric and recoil 1 |
| Fuel and run time | |
| Tank | 1.6 gal6 L 2 |
| Run time | 7.5 h 1on gasoline at ¼ loadOn propane: 14.5 hours at ¼ load from a 20 lb tank. |
| Size and noise | |
| Weight | 95.9 lb43.5 kg 2 |
| Length × width × height | 25.1 × 17.3 × 18.3 in63.7 × 44 × 46.4 cm 2 |
| Noise | 59 dBA 1at 23 ft, load not stated |
| Outlets | |
| Outlets | 1 × 120 V 30 A locking (L5-30R), with RV adapter (TT-30R) 1 × 120 V 20 A duplex (5-20R) 12 V DC automotive-style outlet, with dual USB adapter |
| Other | |
| Emissions certification | EPA certified 1 |
| Warranty | 3-year limited, plus free lifetime technical support 1 |
Oil, spark plug and service
What to have on the bench before an oil change or tune-up.
| Oil capacity | 20.3 fl oz0.6 L 2The manual prints "20.3 fl. oz. (600 ml)". Champion's product page lists 0.6 qt. |
| Oil type | 5W-30 for typical use; 10W-30 or 10W-40 depending on temperature 2From the manual's oil chart. Champion's product page recommends 10W-30. |
| Spark plug | Champion F7RTC (original) or NGK BPR7ES, gap 0.022–0.028 in (0.55–0.7 mm) 2 |
| Change oil every | After the first 5 hours (break-in), then every 100 hours or annually 2Every 50 hours under heavy load or in hot weather. |
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 100396. Brands often sell the same name under several numbers with small differences, so check the label on the frame.
Compare
Often compared: Champion 201318 4500-Watt RV Ready Inverter, Honda EU3000iS, Generac iQ3500
Questions people ask
How much oil does the Champion 100396 3400-Watt Dual Fuel Inverter take?
20.3 fl oz0.6 L. Oil type: 5W-30 for typical use; 10W-30 or 10W-40 depending on temperature. Oil change: After the first 5 hours (break-in), then every 100 hours or annually.
What spark plug does the Champion 100396 3400-Watt Dual Fuel Inverter use?
Champion F7RTC (original) or NGK BPR7ES, gap 0.022–0.028 in (0.55–0.7 mm), according to the source. Check the plug in your unit before you buy a replacement.
How long does the Champion 100396 3400-Watt Dual Fuel Inverter run on a tank?
7.5 h. That's on gasoline at ¼ load, according to the source. More load means less time.
How much does the Champion 100396 3400-Watt Dual Fuel Inverter weigh?
95.9 lb43.5 kg.
How loud is the Champion 100396 3400-Watt Dual Fuel Inverter?
59 dBA. Measured at 23 ft, load not stated.
What's the difference between 3,100 W and 3,400 W?
3,100 W is what it can supply continuously. 3,400 W is a short burst for the moment a motor (a fridge, a pump, an AC unit) starts up.
Sources
- Champion 100396 product page. Manufacturer, accessed November 12, 2026.
- Champion 100396 operator's manual (REV 20240409). Owner's manual, accessed November 12, 2026.
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