The Atlas Copco QAS 40 ST3 is a diesel-powered generator designed for construction and transport applications. Atlas Copco is a globally recognised manufacturer of power and compressed-air equipment, and diesel generators of this class are widely deployed on job sites, in remote locations, and as backup power systems across industrial and commercial sectors.
This 2023 unit is powered by a four-cylinder turbocharged Kubota engine with a swept volume of 3.8 litres, running at 1500 rpm and delivering a rated net power of 38 kW with cooling fan engaged. The engine features electronic speed control and operates on diesel fuel. The alternator is a Leroy Somer LSA 42.3 S5 unit with a rated output of 45 kVA at 27°C.
Electrical output is configured for 50 Hz operation at 400 V three-phase. Prime power (PRP) rating is 40 kVA / 32 kW at a power factor of 0.8, with rated standby power (ESP) of 44 kVA / 35 kW. Rated current under PRP conditions is 57.8 A. The generator achieves single-step load capability of 85% under ISO 8528/5 standard (77% at ESP rating).
The fuel tank has a standard capacity of 92 litres, with an optional larger tank of 282 litres available. At full load, fuel consumption is 9.5 litres per hour, yielding an operational autonomy of approximately 9.7 hours on the standard tank or 27 hours with the optional larger tank. The unit weighs 1039 kg and has transport dimensions of 2.45 × 1.1 × 1.48 metres (length × width × height).
Noise output is rated at 89–91 dB(A) sound power level, with a sound pressure level of 63 dB(A) at 7 metres. The alternator carries IP 23 degree of protection with H insulation class. The engine is cooled by Parcool coolant and the machine carries CE compliance. The unit has recorded 8688 engine hours and is supplied with a valid inspection certificate and warranty coverage through the seller, an official Atlas Copco dealer.
This description was generated automatically from the listing details and may not reflect every specification. Please confirm with the seller before purchase.