The Generac SG045 is a 5.4 L 8-cylinder naturally aspirated engine rated at 1800 rpm, producing up to 45 kW. It powers generator sets from Generac. It holds 5.7 L (1.5 gal) of oil and 11.36 L (3.0 gal) of coolant.
Also known as: Generac SG045
| Oil capacity | 5.7 L |
|---|---|
| Coolant capacity | 11.36 L |
| Displacement | 5.4 L |
| Cylinders | 8 |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
| Gross power | 45 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Standard | — | |||
| Fuel filter | Standard | — | |||
| Battery | Standard | — | |||
| Belt | Standard | — | |||
| Coolant | Standard | 11.36 L | — | ||
| Oil | Full-flow spin-on cartridge | 5.7 L | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The Generac SG045 engine has an oil capacity of 5.7 liters.
The Generac SG045 has a displacement of 5.4 liters with 8 cylinders.
The Generac SG045 powers 1 generator set(s), including Generac SG045.