Other Parts
This engine features 159mm bore and 159mm stroke with 19L displacement, covering power range from 377kW to 522kW and peak torque from 2407N・m to 2755N・m. It is equipped with Holset single‑stage turbocharged aftercooled system and Cummins modular common rail fuel system, maintaining stable high injection pressure under variable speed and load. Upgraded CM850 electronic control module doubles processing speed to optimize combustion at different altitudes and working conditions.
It adopts extra‑wide gear train, ductile iron one‑piece piston and precision honed cylinder liner, matched with two‑stage combined oil filtration structure. The whole machine is compatible with high‑sulfur diesel and various global fuels, with compact installation outline, low operation noise, long maintenance interval and comprehensive warranty support.
| Engine Model | Advertised hp (kW) @ rpm | Peak Torque lb-ft (N·m) @ rpm |
| QSK19 700 | 700 (522) @ 1800 | 2200 (2980) @ 1400 |
| QSK19 675 | 675 (503) @ 1800 | 2200 (2980) @ 1400 |
| QSK19 600 | 600 (447) @ 2000 | 1950 (2643) @ 1500 |
| QSK19 560 | 560 (418) @ 2000 | 1775 (2407) @ 1500 |
| QSK19 525 | 525 (391) @ 2000 | 1775 (2407) @ 1500 |
| QSK19 506 | 506 (377) @ 1800 | 2032 (2755) @ 1300 |
Mature inline six‑cylinder heavy‑duty platform with the same compact footprint as the previous generation for easy replacement and installation.
Modular common rail fuel system provides stable injection pressure, improving fuel efficiency and lowering exhaust emissions.
Holset single‑stage turbocharged aftercooled design reduces intake temperature, increases air density and enhances power response.
Upgraded CM850 ECM with faster processing speed optimizes combustion adaptability under complex altitude and load changes.
Extra‑wide gear train structure operates more quietly, bears high load impact and extends service life.
Ductile iron piston and precision honed cylinder liner greatly improve wear resistance and overall durability.
Two‑stage oil filter extends service intervals effectively and reduces long‑term operation and maintenance expenses.
Strong fuel compatibility adapts to high‑sulfur diesel and various global fuel qualities for wide regional application.
