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Lister Petter GS20DE-LN Generator Set

The Lister Petter GS20DE-LN is a 21.3 kW (26.6 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.

21 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 power21 kW
Standby kVA26
Prime power19 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

What size generator is the Lister Petter GS20DE-LN?

The Lister Petter GS20DE-LN is rated 21 kW standby (26.6 kVA).

Which engine powers the Lister Petter GS20DE-LN?

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

Is the Lister Petter GS20DE-LN diesel or gas?

The Lister Petter GS20DE-LN runs on Diesel.

How much oil does the Lister Petter GS20DE-LN take?

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

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

The Lister Petter GS20DE-LN 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 continuous rating of the Lister Petter GS20DE-LN?

The Lister Petter GS20DE-LN is rated 19 kW prime (24 kVA), against 21 kW standby.

How loud is the Lister Petter GS20DE-LN?

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

What voltage does the Lister Petter GS20DE-LN produce?

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

How many cold cranking amps does the Lister Petter GS20DE-LN require?

The Lister Petter GS20DE-LN 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.