The Atlas Copco QAS 40 ST3 is a diesel generator designed for construction and transport applications. Atlas Copco is a leading global manufacturer of power and compressed air equipment, serving construction, industry, and rental sectors with dependable stationary and mobile power solutions.
This 2024 unit is powered by a turbocharged four-cylinder Kubota engine with a swept volume of 3.8 litres and rated net power of 38 kW. The engine runs at 1500 rpm with electronic speed control and is cooled by Parcool coolant. It drives a LEROY SOMER LSA 42.3 S5 alternator rated at 45 kVA (ESP) at 27°C, generating power at 50 Hz and 400 V. At prime power rating (PRP), the generator delivers 40 kVA / 32 kW with a power factor of 0.8 and rated current of 57.8 A. Single-step load capability is rated at 85% according to ISO 8528/5.
The generator incorporates a 92-litre fuel tank, with an optional 282-litre capacity available. At 100% PRP load, fuel consumption measures 9.5 litres per hour, providing fuel autonomy of 9.7 hours on the standard tank or 27 hours with the optional larger tank. The alternator offers IP 23 degree of protection with H-class insulation. Noise output is rated at 89–91 dB(A) sound power level (LwA) and 63–60 dB(A) sound pressure level (LpA) at 7 metres.
The machine measures 3.65 m in length, 1.45 m in width, and 1.72 m in height, with a dry operating weight of 1039 kg. The engine has accumulated 4986 operating hours. This unit carries a valid inspection certificate and is offered with warranty. Serial number ESF372676. The machine is CE-certified and located in the Netherlands.
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