The JCB G730QX diesel generator set is a high-capacity power-generation solution designed to deliver reliable, efficient, and consistent electrical power for large commercial, industrial, infrastructure, construction, data centre, rental, and standby applications. At 50 Hz, the G730QX provides a prime rating of 670 kVA (536 kW) and a standby rating of 738 kVA (590 kW), making it suitable for installations requiring substantial and dependable power capacity.

The G730QX forms part of JCB's QX fuel-optimised generator range, developed for demanding high-power applications. The published technical specification identifies Mitsubishi as the engine manufacturer. The generator operates at 1500 rpm and 50 Hz, providing 400/230 V three-phase output with a 0.8 power factor. The generator ratings are specified in accordance with ISO 8528 reference conditions.

The genset is equipped with a robust alternator and an electronic engine control system designed for stable operation under varying electrical loads. The published G730QX specification gives a 1000 A MCB rating and a rated engine speed of 1500 rpm. The QX configuration provides a protected containerised package suitable for permanent installations and demanding operating environments.

The G730QX is designed with fuel efficiency and long-duration operation in mind. At 50 Hz, the published fuel consumption is approximately 136.40 litres/hour at 100% prime load, 104.34 litres/hour at 75% prime load, and 74.56 litres/hour at 50% prime load. At 100% standby load, fuel consumption is approximately 151.63 litres/hour.
The QX canopy provides a robust solution for large-scale power installations where equipment protection, noise control, serviceability, and reliable continuous operation are important. The published sound pressure level for the canopy is approximately 77 dB(A) at 7 metres at 50 Hz.

With its 670 kVA prime rating, 738 kVA standby rating, Mitsubishi diesel engine, 400 V three-phase output, 1500 rpm operating speed, and fuel-optimised QX configuration, the JCB G730QX provides a dependable high-capacity power-generation solution for demanding commercial and industrial applications.

GENERATOR SPECIFICATIONS
PRIME RATING   STANDBY RATING VOLTAGE FREQUENCY
670 kVA (536 kW) 738 kVA (590 kW) 400 / 230 V  50 Hz