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Doosan L20 Generator Set

The Doosan L20 is a 20 kW (60 kVA) Diesel standby generator set powered by a Isuzu 4LE2 engine. It is available at 120 V and 230 V, Single phase-phase. It holds about 8.6 L (2.3 gal) of oil and 3 L (0.8 gal) of coolant. Starting uses 5 batteries rated 600 CCA at 12 V. The same 4LE2 engine also powers generator sets from Isuzu.

20 kW
Standby
2.2 L
Displacement
8.6 L
Oil capacity
1
Document types

Specifications

FuelDiesel
Standby power20 kW
Prime power20 kW
EmissionsTier 4 Interim (T4i)
Oil capacity8.6 L
Voltage options120 V, 230 V, 240 V
PhaseSingle phase
Battery cranking600 CCA
Battery voltage12 V V
Battery quantity5
Tank runtime52 hr

Engine

Isuzu 4LE2
Oil capacity8.6 L
Coolant capacity3.0 L
Displacement2.2 L
AspirationDirect Injection
Rated speed3000 rpm

Maintenance & consumables

for the Isuzu 4LE2
ItemSpecCapacityPart #Interval
Air filter89723190001000 hr PartsGeek
Fuel filterelement replacement8981527372500 hr PartsGeek
Oil filterX132010021000 hr PartsGeek
Belt250 hr find
Coolant750 hr
Coolant filter1000 hr find
Hydraulic filter89761822820 PartsGeek
OilCC or CD250 hr

Common questions

What is the power rating of the Doosan L20?

The Doosan L20 is rated 20 kW standby.

What engine does the Doosan L20 use?

The Doosan L20 is powered by the Isuzu 4LE2 engine.

What fuel does the Doosan L20 use?

The Doosan L20 runs on Diesel.

What is the oil capacity of the Doosan L20?

The Isuzu 4LE2 engine in the Doosan L20 has an oil capacity of 8.6 liters.

Parts

2
Part #DescriptionQtySystem
4LE2X新規部品 4LE2XCrankshaft PartsGeek yemparts $92.46
IDE-6450AIsuzu Genuine PartsService part / kit PartsGeek

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime
Standby

Available documents

Spec sheet — light-towers-portfolio (Doosan)

Other sets with this engine