Other Parts
The engine adopts V-type 12-cylinder layout with 159mm bore and 159mm stroke, covering power range from 686kW to 940kW and peak torque up to 6242N・m. It is equipped with MCRS modular common rail high-pressure fuel injection system and electronic control module, with injection pressure exceeding 25000 psi.
It complies with EPA Tier 2 and EU Stage II emission standards, adopts dual-circuit cooling system and high-strength cast iron cylinder block, and is matched with wear-resistant steel piston structure. The whole machine has strong impact resistance and overload capacity, supports CAN bus communication, and features stable output, convenient maintenance and long service life under severe working environments.
| Model | Certification | HP | kW | Max Rated Speed (RPM) | Fuel Consumption at Rated Speed |
| QSK38 | EPA Tier 2 | 920 | 686 | 1200 | 0.348 lb/hp-hr (211.7 g/kW-hr) |
| QSK38 | EPA Tier 2 | 1086 | 810 | 1800 | 0.358 lb/hp-hr (217.8 g/kW-hr) |
| QSK38 | EPA Tier 2 | 1260 | 940 | 1800 | 0.352 lb/hp-hr (214.1 g/kW-hr) |
V-type 12-cylinder heavy-duty structure with integrated cast iron block, high overall rigidity and strong deformation resistance.
Modular common rail high-pressure injection system achieves efficient combustion, low fuel consumption and low emission performance.
Super strong low-speed torque reserve, excellent overload capacity adapting to frequent variable load operation.
Dual-circuit cooling design with stable temperature control, suitable for long-time continuous heavy-duty operation.
Wear-resistant steel piston and optimized matching parts greatly improve durability and extend service cycle.
Intelligent ECM electronic control system with real-time monitoring, self-diagnosis and convenient fault maintenance.
Standard interface layout and mature matching scheme, strong compatibility and easy installation and commissioning.
