Perkins 18.1L Engine Engine
The Perkins 18.1L is a 18.1 L turbocharged/aftercooled engine rated at 1800 rpm. It powers generator sets from Generac, including the MDE570 and SD600. It holds 45 L (11.9 gal) of oil and 13 L (3.4 gal) of coolant.
Also known as: Perkins 18.1L
Engine specifications
| Oil capacity | 45.0 L |
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| Coolant capacity | 13.0 L |
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| Displacement | 18.1 L |
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| Aspiration | Turbocharged/Aftercooled |
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| Rated speed | 1800 rpm |
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Generator sets powered by this engine
2Common problems
4- (4) Shutdown indicator LED.
Cause: Indicates a shutdown alarm is present.
Fix: Resolve by resolving shutdown condition. - (3) Emergency Stop indicator LED.
Cause: Indicates Emergency Stop switch is active (pushed in).
Fix: Resolve by deactivating (pulling out) Emergency Stop switch. - (2) Lug Door Open indicator LED.
Cause: Indicates lug-box door is open.
Fix: Resolve by closing lug-box door. If condition remains unresolved, inspect lug-box door safety switch for proper operation. - (1) Low Load indicator LED. • Indicates genset has operated at less than 30% capacity for more than 15 minutes.
Fix: Resolve by increasing electrical load. If unable to operate genset at more than 30% load, use a smaller generator.
Compiled from service & troubleshooting documentation across every generator set that uses the Perkins 18.1L.
Common questions
What is the oil capacity of the Perkins 18.1L?
The Perkins 18.1L engine has an oil capacity of 45.0 liters.
What is the displacement of the Perkins 18.1L?
The Perkins 18.1L has a displacement of 18.1 liters.
Which generators use the Perkins 18.1L engine?
The Perkins 18.1L powers 2 generator set(s), including Generac MDE570, Generac SD600.
What is a common problem with the Perkins 18.1L engine?
A commonly reported issue on generators using the Perkins 18.1L is: (4) Shutdown indicator LED.. Cause: Indicates a shutdown alarm is present.. Fix: Resolve by resolving shutdown condition..