The GCM150S is a Cummins-powered 1500 RPM three-phase diesel generator rated at 150 kVA prime / 165 kVA standby, built on a hot-dip galvanised skid with an 820-litre bunded fuel tank. Genelite states it can run for up to about 32 hours at 75% load between refuelling and keeps noise to around 70 dB(A) measured at 7 metres, making it suited to construction, farm and commercial standby use. Key specifications 150 kVA prime / 165 kVA standby output Cummins 6BTAA5.9G12 diesel engine, 1500 RPM Mecc Alte alternator 820-litre bunded fuel tank Up to approximately 32 hours runtime at 75% load (as stated by manufacturer) Noise rated at 70 dB(A) at 7 metres Deep Sea 7320 MKII controller with battery charger and isolator Hot-dip galvanised skid with integrated fork pockets