The EU3000iS puts out 2,800 W continuously and up to 3,000 W for a few seconds when a motor starts. It runs up to 19.6 h at ¼ load on a full 3.43 gal13 L tank. It weighs 130.7 lb59.3 kg. Noise is rated at 50 dBA at ¼ load, distance not stated. It takes 18 fl oz0.55 L of engine oil, and the source recommends SAE 10W-30, API SJ or later. The spark plug is NGK BPR6ES or Denso W20EPR-U, gap 0.028–0.031 in (0.7–0.8 mm).
Specifications
Units: /| Power | |
|---|---|
| Running output | 2,800 W 1Honda calls this rated output (23.3 A). |
| Starting output | 3,000 W 1Honda calls this maximum output (25 A). |
| Voltage | 120 V 1 |
| Inverter (clean power for electronics) | Yes 1 |
| Engine | |
| Engine | Honda GX200 1 |
| Displacement | 196 cc 1 |
| Fuel | Unleaded gasoline, pump octane 86 or higher 2 |
| Starting | Electric start, with recoil as backup 1 |
| Fuel and run time | |
| Tank | 3.43 gal13 L 2Honda's model page lists 3.4 gal. |
| Run time | 19.6 h 1at ¼ load6.9 hours at rated load. |
| Size and noise | |
| Weight | 130.7 lb59.3 kg 2Dry weight. |
| Length × width × height | 25.9 × 17.6 × 22 in658 × 447 × 558 mm 2 |
| Noise | 50 dBA 1at ¼ load, distance not stated57 dB(A) at rated load. |
| Outlets | |
| Outlets | 1 × 125 V 20 A duplex 1 × 125 V 30 A locking |
| Other | |
| CO shutdown | CO-MINDER 1 |
| Emissions certification | Not for sale in California 1 |
| Warranty | 3 years residential, 12 months commercial 1 |
Oil, spark plug and service
What to have on the bench before an oil change or tune-up.
| Oil capacity | 18 fl oz0.55 L 2Honda's manual prints "18 oz (0.55 L)". The two don't match exactly: 0.55 L is about 18.6 fl oz. |
| Oil type | SAE 10W-30, API SJ or later 2 |
| Spark plug | NGK BPR6ES or Denso W20EPR-U, gap 0.028–0.031 in (0.7–0.8 mm) 2 |
| Change oil every | After the first month or 20 hours, then every 6 months or 100 hours 2 |
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 EU3000IS1AN. Brands often sell the same name under several numbers with small differences, so check the label on the frame.
Compare
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Questions people ask
How much oil does the Honda EU3000iS take?
18 fl oz0.55 L. Oil type: SAE 10W-30, API SJ or later. Oil change: After the first month or 20 hours, then every 6 months or 100 hours.
What spark plug does the Honda EU3000iS use?
NGK BPR6ES or Denso W20EPR-U, gap 0.028–0.031 in (0.7–0.8 mm), according to the source. Check the plug in your unit before you buy a replacement.
How long does the Honda EU3000iS run on a tank?
19.6 h. That's at ¼ load, according to the source. More load means less time.
How much does the Honda EU3000iS weigh?
130.7 lb59.3 kg. Dry weight.
How loud is the Honda EU3000iS?
50 dBA. Measured at ¼ load, distance not stated.
What's the difference between 2,800 W and 3,000 W?
2,800 W is what it can supply continuously. 3,000 W is a short burst for the moment a motor (a fridge, a pump, an AC unit) starts up.
Sources
- Honda EU3000iS model page. Manufacturer, accessed November 11, 2026.
- Honda EU3000iS owner's manual (AG, AN types, made on or after 4/1/23). Owner's manual, accessed November 11, 2026.
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