HomeAtlas CopcoAtlas Copco QAS228

Atlas Copco QAS228 Generator Set

The Atlas Copco QAS228 is a 200 kW (274 kVA) diesel standby generator set powered by a Detroit Diesel SERIES 50 engine. It is available at 208 V, 220 V, 240 V, 416 V, 440 V, 460 V and 480 V, rated 476 A. It holds about 26.78 L (7.1 gal) of oil and 9.25 L (2.4 gal) of coolant. The set measures 1560×570×787.5 mm (61.4×22.4×31.0 in), weighs about 3634.29 kg (8012 lb) and produces 72 dBA. An integrated tank holds 126 L (33.3 gal).

200 kW
Standby
0.0085 L
Displacement
26.7834527736 L
Oil capacity
2
Document types

Specifications

Fueldiesel
Standby power200 kW
Standby kVA274
Prime power143 kW
Controllerengine controller
Oil capacity26.7834527736 L
AlternatorMecc Alte ECO 37 3S
Voltage options208 V, 220 V, 240 V, 416 V, 440 V, 460 V, 480 V
Rated current[476, 1000] A
Circuit breaker[3, 10] A
Battery voltage24 V
Coolant capacity9.25 L
Dimensions (L×W×H)1560×570×787 mm
Dry weight3634 kg
Sound level72.0 dBA
Fuel tank126.0 L

Engine

Detroit Diesel SERIES 50
Oil capacity26.7834527736 L
Coolant capacity9.25 L
Displacement0.0085 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Detroit Diesel SERIES 50
ItemSpecCapacityPart #Interval
Air filter find
Fuel filter250 hr find
Oil filterLube Oil Filter23518480250 hr Amazon eBay $152.79 PartsGeek
Belt600 hr find
Coolant18000 hr
Oil250 hr

Compatible filters for the Detroit Diesel SERIES 50 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Fuel filter: Detroit Diesel 6438839 Detroit Diesel 23518482 Donaldson P556915 Donaldson P556916 Ac Delco T92

Common questions

What is the power rating of the Atlas Copco QAS228?

The Atlas Copco QAS228 is rated 200 kW standby (274.0 kVA).

What engine does the Atlas Copco QAS228 use?

The Atlas Copco QAS228 is powered by the Detroit Diesel SERIES 50 engine.

What fuel does the Atlas Copco QAS228 use?

The Atlas Copco QAS228 runs on diesel.

What is the oil capacity of the Atlas Copco QAS228?

The Detroit Diesel SERIES 50 engine in the Atlas Copco QAS228 has an oil capacity of 26.7834527736 liters.

What alternator does the Atlas Copco QAS228 use?

The Atlas Copco QAS228 uses a Mecc Alte ECO 37 3S alternator.

Troubleshooting

7

Symptoms & remedies

SymptomRemedy
Blown fuse.Replace fuse.
Insufficient residual voltage.Increase the speed by 15 %.
No residual voltage.For an instant apply on the + and – terminals of the electronic regulator a 12 V battery voltage with a 30 Ω resistor in series respecting the polarities.
Connections are interrupted.Check connection cables as per attached drawings.
Voltage potentiometer out of setting.Reset voltage.
Speed variation in engine.Check regularity of rotation.
Regulator out of setting.Regulate stability of regulator by acting on “STABILITY” potentiometer.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

1
Part #DescriptionQtySystem
DDC-SVC-MAN-0058SERIES 50 SERVICE PUBLICATIONS1Service 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
Standby25%0.30.78125
Standby50%0.51.125
Standby75%0.81.875
Standby100%1.12.53125

Available documents

Spec sheet — Atlas Copco (Atlas Copco)Service manual — QAS 168 GD Inst (Atlas Copco)

Other sets with this engine