Reliable, heavy-duty power when you need it most

All engine output figures based on: Net Including Fan, ISO 8528 and ISO 3046. Power Factor 0.8. Tolerance ±5%. E&OE. Doosan PSI’s expanded engine line — PSI Heavy-Duty (PSI HD) — features heavy-duty engines with outputs spanning from 63 kW to 451 kW.

The PSI HD line includes 8.1 liter engines, 11.1 liter engines, 14.6 liter engines and 21.9 liter engines. Ruggedized parts grafted onto hefty blocks ensure maximum performance and reliability in even the most demanding applications.

All models are available as base engines or complete power systems with controls, fuel and cooling systems, and peripherals. Our HD engines are fuel flexible — available in natural gas, propane (LP), and dual-fuel configurations . All PSI HD engines are available in emission certified packages.

Click on engine models below for more information.

Power Generation Natural Gas Engines

 50 Hz60 Hz 
Engine modelNo. of
cylinders
Asp.LitreRPM
Prime PowerStandby PowerRPMPrime PowerStandby PowerDry Weight
kWm
kWmkWmkWm(kg)
D081NAL6NA8.1150067741800881001207
D081LL6TI8.11500
1311451800
150176998
D111LL6TI11.11500
1802001800
2002351179
D146LV8TI14.61500
2282531800
2913421429
D219LV12TI21.91500
3403781800
4345101650

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