Road Machinery Diesel Engine Series
Road Machinery WP12 Diesel Engine
The WP12 On-Highway engine is a high-configuration, 11.596 L unit engineered for Euro V compliance in applications like 18 m BRT and over 12 m luxury coaches. It prioritizes comfort through customized NVH development, including a cone-shaped silencer ring and pre-injection noise reduction for low noise and vibration. The engine features a proprietary WEICHAI ECU control system for better economy, ensuring minimum fuel consumption across the entire working speed range. An optional 100,000 km oil change period ensures safety and reliability, while its lightweight, modular design simplifies arrangement and maintenance.
SALIENT FEATURES
Advanced combustion design
Engines equipped with High Pressure Common Rail System (HPCRS).
Specially designed Turbo Charger
Advanced electronic control.
Integrated exhaust after treatment devices consisting Diesel Oxidation Catalysts (DOC), Diesel Particulate Filters (DPF) and Selective Catalytic Reduction (SCR) catalysts
Engines complaint with latest emission norms.
Cooled Engine Exhaust Gas Re-circulation.
TECHNICAL INFORMATION
Technical Information
| Engine family | model | displacement（L） | cylinder-bore×stroke （mm） |
Valve per cylinder | Rated power/speed （kW/rpm） |
Max torque/speed （N.m/rpm） |
Technical route |
| WP12 | WP12.400E62 | 11.596 | 6-126×155 | 4 | 294/1900 | 2000/1000-1400 | CR+DOC+DPF+Hi-SCR |
| WP12.430E62 | 316/1900 | 2100/1000-1400 | |||||
| WP12.460E62 | 338/1900 | 2200/1000-1400 |
FAQ- ENGINE
Weichai is your all-around engine solution for commercial purposes. It will offer a quick understanding of the brand, product, and industry.