HomeDoosanDoosan G150-SIIIA

Doosan G150-SIIIA Generator Set

The Doosan G150-SIIIA is a 120 kW (120 kVA) Diesel standby generator set powered by a John Deere 6068HFG82 engine. It is available at 400 V, single-phase, 50 Hz and rated 216 A. It holds about 32.5 L (8.6 gal) of oil and 32 L (8.5 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 1 group-35 battery rated 550 CCA at 12 V. The set measures 3614×1290×2103 mm (142.3×50.8×82.8 in), weighs about 3019 kg (6656 lb) and produces 96 dBA at 7 m. An integrated tank holds 500 L (132.1 gal), roughly 5 hours of runtime. The same 6068HFG82 engine also powers generator sets from Kohler.

120 kW
Standby
6.8 L
Displacement
32.5 L
Oil capacity
2
Document types

How to read your Doosan serial & model number →

Typical fuel consumption for 120–125 kW Diesel generators →

Compare with other 120–125 kW Diesel generators →

Service parts for the G150-SIIIA

Grouped by system, with how many of each the parts manual calls for.

Fuel system

2 required
GM50074Fuel filter (primary)$70.33eBay
GM50006Fuel filter (secondary)$23.99Amazon

Oil system

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power120 kW
Standby kVA120
Prime power120 kW
EmissionsStage IIIA
ControllerNot specified
Oil capacity32.5 L
AlternatorG150-SIIIA
Voltage options400 V
PhaseSingle
Rated current216 A
Power factor0.8
Circuit breaker350 A
Battery group35
Battery cranking550 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity32 L
Max ambient40 °C
Dimensions (L×W×H)3614×1290×2103 mm
Dry weight3019 kg
Sound level96.0 dBA @ 7 m
Fuel tank500.0 L
Tank runtime5 hr

Engine

John Deere 6068HFG82
Oil capacity33.4 L
Coolant capacity11.9 L
Displacement6.8 L
AspirationDiesel
Rated speed1500 rpm

Maintenance & consumables

for the John Deere 6068HFG82
ItemSpecCapacityPart #Interval
Fuel filterPrimaryGM50074 Amazon $76.45 eBay $70.33
Fuel filterSecondaryGM50006 Amazon $23.99 eBay $26.99
Oil filterCartridgeGM32809 Amazon $57.96 eBay $26.25
Oil33.4 L

Common questions

What is the power rating of the Doosan G150-SIIIA?

The Doosan G150-SIIIA is rated 120 kW standby (120.0 kVA).

What engine does the Doosan G150-SIIIA use?

The Doosan G150-SIIIA is powered by the John Deere 6068HFG82 engine.

What fuel does the Doosan G150-SIIIA use?

The Doosan G150-SIIIA runs on Diesel.

What is the oil capacity of the Doosan G150-SIIIA?

The John Deere 6068HFG82 engine in the Doosan G150-SIIIA has an oil capacity of 33.4 liters.

Which alternator is fitted to the Doosan G150-SIIIA?

The Doosan G150-SIIIA uses a G150-SIIIA alternator.

Which oil filter part number does the Doosan G150-SIIIA take?

The Doosan G150-SIIIA uses oil filter part number GM32809.

What fuel filter fits the Doosan G150-SIIIA?

The Doosan G150-SIIIA uses fuel filter part numbers GM50074, GM50006.

Troubleshooting

6

Symptoms & remedies

SymptomCauseRemedy
Engine cranks but will not startIncorrect starting procedure.Verify correct starting procedure.
No fuelCheck fuel in tank and manual shut-off valve.
Exhaust restrictedCheck and correct exhaust restriction.
Fuel filter plugged or full of waterReplace fuel filter or drain water from filter.
Injection pump not getting fuel or air in fuel systemCheck fuel flow at supply pump or bleed fuel system.
Faulty injection pump or nozzlesConsult authorized diesel repair station for repair or replacement.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Doosan G150-SIIIA troubleshooting guide (29 entries) →

Parts

1
Part #DescriptionQtySystem
466063731Service part / kit Amazon eBay

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.

Available documents

Owner's manual — 46674960-C-EN-02-18-OM-G20-30-40-SIIIA (Doosan)Service manual — 46606373-B-EN-06-15-OM-G60-200-SIIIA (Doosan)
Full service, cheapest listings

Priced items from this model's own parts manual.

Fuel filter (primary) GM50074$70.33
Fuel filter (secondary) GM50006$23.99
Oil filter GM32809$26.25
3 priced items$120.57
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