The Generac G18/G26 is a 8.9 L 8-cylinder naturally aspirated engine rated at 1800 rpm, producing up to 100 kW. It powers generator sets from Generac, including the SG100 and SG150. It holds 8.5 L (2.2 gal) of oil and 22.7 L (6.0 gal) of coolant.
Also known as: Generac G18/G26
| Oil capacity | 8.5 L |
|---|---|
| Coolant capacity | 22.7 L |
| Displacement | 8.9 L |
| Cylinders | 8 |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
| Gross power | 100 kW |
Compiled from service & troubleshooting documentation across every generator set that uses the Generac G18/G26.
The Generac G18/G26 engine has an oil capacity of 8.5 liters.
The Generac G18/G26 has a displacement of 8.9 liters with 8 cylinders.
The Generac G18/G26 powers 2 generator set(s), including Generac SG100, Generac SG150.
A commonly reported issue on generators using the Generac G18/G26 is: Risk of poisoning.