Overview#
The Doosan G570 is the flagship of the G-Series lineup, delivering 456 kW of prime power (570 kVA, 500 kW standby) from a Cummins X15 engine producing 680 HP. It is the largest mobile generator Doosan offers, positioned for major construction projects, data center temporary power, and large commercial emergency standby.
A Bobcat PG570 rolling off the Statesville, North Carolina production line uses the same Cummins X15 engine, alternator, control panel, and sound-attenuated enclosure as a Doosan G570 — the only difference is the badge on the door. The Cummins X15 platform ensures wide parts availability and factory service support across North America.
Cummins X15 engine — flagship power#
The Cummins X15 is a 14.9-liter inline-6 producing 680 HP — the same engine platform used in Class 8 heavy trucks, which means one of the deepest parts and service networks of any diesel engine in North America. At 500 kW standby, the G570 pushes the limits of what a mobile generator can deliver in a single trailer-mountable package.
The X15 achieves Tier 4 Final compliance with a full aftertreatment system (DOC, DPF, SCR). At this power level, maintaining adequate load is important for proper DPF regeneration — operators should avoid sustained operation below 30% load to prevent incomplete regeneration cycles. The 656-gallon integral fuel tank provides enough capacity for extended operations, and the sound-attenuated enclosure keeps noise levels at 76 dBA despite the large displacement.
Our service experience#
OnPoint services Cummins X15-powered generators for large commercial and industrial applications in Northern California. The X15 benefits from the deepest Cummins dealer network of any engine in the lineup — it is the same platform used in long-haul trucking, meaning parts availability is unmatched. For operators deploying the G570 on major construction projects or data center temporary power, the main service consideration is aftertreatment health: maintain load above 30%, monitor DPF differential pressure, and ensure DEF supply is maintained. The 500-hour oil change interval and standard Cummins filtration keep routine maintenance straightforward despite the large displacement.
