The Mitsubishi 4G15 is a 1.47 L 4-cylinder naturally aspirated engine. It powers generator sets from Generac, including the EXPRESS SERIES, Home Standby-15, Home Standby-20 and SG010. It holds 3.79 L (1.0 gal) of oil and 7.57 L (2.0 gal) of coolant.
Also known as: Mitsubishi 4G15
Part of the Mitsubishi 4G15 engine family — 2 variants share parts & fitment.
| Oil capacity | 3.79 L |
|---|---|
| Coolant capacity | 7.57 L |
| Displacement | 1.468 L |
| Cylinders | 4 |
| Aspiration | naturally aspirated |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air cleaner service | — | 500 hr | ||
| Oil filter | Engine oil filter | — | 150 hr | ||
| Coolant | 50/50 low silicate ethylene glycol base antifreeze and soft water | 2.0 US gallons | — | ||
| Oil | High quality detergent oil SC/SD/SE/SF rated | 4.0 US quarts | — | 150 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's 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 Mitsubishi 4G15 engine has an oil capacity of 3.79 liters.
The Mitsubishi 4G15 has a displacement of 1.468 liters with 4 cylinders.
The Mitsubishi 4G15 powers 7 generator set(s), including Generac EXPRESS SERIES, Generac Home Standby-15, Generac Home Standby-20, Generac SG010, Generac SG015.
The Mitsubishi 4G15 oil change interval is every 150 hours.