The Honda GX 270 is a 0.27 L 1-cylinder forced-air engine rated at 3600 rpm. It powers generator sets from Dewalt, Honda and SDMO, including the DXGN7200, GX270, HX 4000 and HX 4000 TB UK. It holds 1.16 L (0.3 gal) of oil.
Also known as: Honda GX 270
| Oil capacity | 1.16 L |
|---|---|
| Displacement | 0.27 L |
| Cylinders | 1 |
| Aspiration | Forced-air |
| Rated speed | 3600 rpm |
Shared across brands: Dewalt, Honda, SDMO
Compiled from service & troubleshooting documentation across every generator set that uses the Honda GX 270.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 100 hr | |||
| Fuel filter | Check | — | 50 hr | ||
| Oil filter | Change | — | 20 hr | ||
| Battery | Check-Clean | — | 20 hr | ||
| Belt | Replace as necessary. | — | |||
| Coolant | — | 300 hr | |||
| Oil | SAE 20W-40 | 1.1 l | — | ||
| Spark plug | Check-Clean | — | 20 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Engine oil | SAE 15W40 | Sold by SDMO in 0.5 L (RBH0,5) and 1 L (RBH1) bottles |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
The Honda GX 270 engine has an oil capacity of 1.16 liters.
The Honda GX 270 has a displacement of 0.27 liters with 1 cylinders.
The Honda GX 270 powers 6 generator set(s), including Dewalt DXGN7200, Honda GX270, SDMO HX 4000, SDMO HX 4000 TB UK, SDMO HX 4000 UK.
A commonly reported issue on generators using the Honda GX 270 is: Water leaks from brass valve on pump.. Cause: Thermal Relief Valve opening to protect pump.. Fix: Do not run washer with gun trigger closed for more than 3 minutes. Trigger gun to close valve..