Other Parts
The engine features 170mm bore and 170mm stroke with 23L total displacement, covering rated power from 567kW to 708kW and peak torque ranging from 3468N・m to 3928N・m. It is equipped with HPI high-pressure injection system with injection pressure up to 29000 psi, matched with single-stage turbocharged aftercooled configuration.
Built with one-piece cast iron cylinder block and wide cylinder spacing structure, fitted with ductile iron piston and precision-honed cylinder liner. The full-authority electronic control module supports adaptive combustion calibration, real-time monitoring, fault diagnosis and comprehensive engine protection. It is configured with dual heavy-duty air cleaner and high-temperature cooling system capable of 50℃ ambient operation, featuring compact layout, strong impact resistance and long overhaul life in harsh environments.
| Engine Model | Advertised hp (kW) @ rpm | Peak Torque lb-ft (N•m) @ rpm |
| QSK23-950 | 950 (708) @ 2100 | 2897 (3928) @ 1400 |
| QSK23-950 | 950 (708) @ 1800 | 2875 (3776) @ 1400 |
| QSK23-860 | 860 (641) @ 2100 | 2785 (3776) @ 1400 |
| QSK23-860 | 860 (641) @ 1880 | 2785 (3776) @ 1400 |
| QSK23-760 | 760 (567) @ 2100 | 2558 (3468) @ 1350 |
| QSK23-760 | 760 (567) @ 1800 | 2558 (3468) @ 1350 |
Integral one-piece cast iron block with wide cylinder spacing, high rigidity and outstanding rebuild performance for long service life.
HPI high-pressure injection system delivers ultra-high injection pressure, optimizing fuel economy, power response and emission performance.
Turbocharged aftercooled intake design improves air density, releasing strong low-speed torque and excellent overload capability.
Ductile iron piston and precision-honed liner ensure stable thermal expansion and low wear under long-term high-load operation.
Full-authority electronic control adapts to variable altitude, load and fuel quality, with built-in monitoring, diagnosis and protection functions.
Heavy-duty air intake and cooling system adapt to high temperature and dusty working environments with strong environmental tolerance.
Global certification and wide regional availability, compatible with multiple fuel qualities for diversified market applications.
