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Atlas Copco QAS 28 Generator Set

The Atlas Copco QAS 28 is a 25 kW (31 kVA) standby generator set powered by a Yanmar 4TNE94-ACG engine. It is available at 208 V, 220 V, 240 V, 416 V, 440 V, 460 V and 480 V, rated 50 A. It holds about 9.46 L (2.5 gal) of oil and 6.1 L (1.6 gal) of coolant. The set measures 815×362.5×455 mm (32.1×14.3×17.9 in), weighs about 987.91 kg (2178 lb) and produces 68 dBA. An integrated tank holds 21.5 L (5.7 gal).

25 kW
Standby
0.0028 L
Displacement
9.46352778 L
Oil capacity
4
Document types

Specifications

Standby power25 kW
Standby kVA31
Controllerengine controller
Oil capacity9.46352778 L
AlternatorMecc Alte ECO 32 1S
Voltage options208 V, 220 V, 240 V, 416 V, 440 V, 460 V, 480 V
Rated current[50, 80] A
Circuit breaker[3, 5] A
Battery voltage12 V
Coolant capacity6.096 L
Dimensions (L×W×H)815×362×455 mm
Dry weight987 kg
Sound level68.0 dBA
Fuel tank21.5 L

Engine

Yanmar 4TNE94-ACG
Oil capacity9.46352778 L
Coolant capacity6.096 L
Displacement0.0028 L
AspirationNatural
Rated speed1800 rpm

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter—2000 hr find
Fuel filter—500 hr find
Oil filter—250 hr find
Belt—50 hr find
Coolant—
Coolant filterCooling water filler cap (FCW), Cooling water drain plug (DFW)— find
Oil—50 hr

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Common questions

What is the power rating of the Atlas Copco QAS 28?

The Atlas Copco QAS 28 is rated 25 kW standby (31.0 kVA).

What engine does the Atlas Copco QAS 28 use?

The Atlas Copco QAS 28 is powered by the Yanmar 4TNE94-ACG engine.

What is the oil capacity of the Atlas Copco QAS 28?

The Yanmar 4TNE94-ACG engine in the Atlas Copco QAS 28 has an oil capacity of 9.46352778 liters.

What alternator does the Atlas Copco QAS 28 use?

The Atlas Copco QAS 28 uses a Mecc Alte ECO 32 1S alternator.

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)Reference — Equipamentos para Aluguer tcm55-120599Parts manual — QAS 18-38 YD Trailer - 1310301166 (Atlas Copco)Service manual — QAS 28 YD USA Inst (Atlas Copco)