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Lister Petter GS20DE-LM Generator Set

The Lister Petter GS20DE-LM is a 22.4 kW (28 kVA) Diesel standby generator set powered by a Lister Petter LPWST4 engine. It is available at 120/240 V, 120/208 V and 277/480 V, 60 Hz. It holds about 5.49 L (1.5 gal) of oil and 7.5 L (2.0 gal) of coolant. Starting uses group-34 battery rated 850 CCA at 12 V. The set produces 75.8 dBA at 7 m.

22 kW
Standby
1.86 L
Displacement
5.49 L
Oil capacity
1
Document types

Typical fuel consumption for 20–25 kW Diesel generators →

Compare with other 20–25 kW Diesel generators →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power22 kW
Standby kVA28
Prime power20 kW
EmissionsEPA Certified
ControllerStandard 'DA' Control Panel
Oil capacity5.49 L
Voltage options120/240 V, 120/208 V, 277/480 V
Power factor0.8
Battery group34
Battery cranking850 CCA
Battery voltage12 V
Coolant capacity7.5 L
Sound level75.8 dBA @ 7 m

Engine

Lister Petter LPWST4
Oil capacity5.49 L
Coolant capacity7.5 L
Displacement1.86 L
Aspirationturbocharged
Rated speed1500 rpm

Maintenance & consumables

for the Lister Petter LPWST4
ItemSpecCapacityPart #Interval
Oil—250 hr

Common questions

How many kW is the Lister Petter GS20DE-LM?

The Lister Petter GS20DE-LM is rated 22 kW standby (28.0 kVA).

What engine is in the Lister Petter GS20DE-LM?

The Lister Petter GS20DE-LM is powered by the Lister Petter LPWST4 engine.

Is the Lister Petter GS20DE-LM diesel or gas?

The Lister Petter GS20DE-LM runs on Diesel.

What is the oil capacity of the Lister Petter GS20DE-LM?

The Lister Petter LPWST4 engine in the Lister Petter GS20DE-LM has an oil capacity of 5.49 liters.

What is the cooling system capacity of the Lister Petter GS20DE-LM?

The Lister Petter GS20DE-LM cooling system holds 7.5 liters (2.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the prime power rating of the Lister Petter GS20DE-LM?

The Lister Petter GS20DE-LM is rated 20 kW prime (25 kVA), against 22 kW standby.

How loud is the Lister Petter GS20DE-LM?

The Lister Petter GS20DE-LM is rated at 75.8 dBA at 7 m, per the manufacturer specification sheet.

What voltages is the Lister Petter GS20DE-LM available in?

The Lister Petter GS20DE-LM is offered in 120/240 V, 120/208 V, 277/480 V.

What battery does the Lister Petter GS20DE-LM use?

The Lister Petter GS20DE-LM uses 12 V each, 850 CCA, group 34, per the manufacturer specification sheet.

Fuel consumption

RatingLoadL/hgal/h
Prime50%3.050.8
Prime75%4.571.2
Prime100%6.251.64
Standby50%3.430.9
Standby75%5.141.35
Standby100%6.861.8

Available documents

Spec sheet — GS20DE (Lister Petter)

This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.