Off Road Diesel Engine
WP9H Diesel Engine
The Weichai WP9H is an 8.8-liter high-performance diesel engine designed for off-highway applications such as construction, mining, and agriculture. Suitable for 30T–40T excavators and 25T–55T cranes, it delivers up to 330.98 HP power and 1600 N·m torque for heavy-duty operations. With a lifespan of up to 1,800,000 km or 30,000 hours and fuel consumption under 190 g/kW·h, it ensures low operating cost. It performs reliably from –35°C to 50°C and up to 4700 m altitude with strong braking power control for safety.
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.
TECHINCAL INFORMATION
Specification
| Family | Model | Emission | Displacement（L） | Valve per cylinder | Rated power/Speed | Max torque/Speed | Technical route |
| （kW/rpm） | （N.m/rpm） | ||||||
| WP9H | WP9H310E62 | BS IV | 8.8 | 4 | 228/1900 | 1500/1000-1400 | DOC+Hi-SCR+ASC |
| WP9H336E62 | 8.8 | 247/1900 | 1600/1000-1400 | DOC+Hi-SCR+ASC | |||
| WP9H350E62 | 8.8 | 257/1900 | 1700/1100-1400 | DOC+Hi-SCR+ASC |
FAQ- ENGINE
Weichai is your all-around engine solution for commercial purposes. It will offer a quick understanding of the brand, product, and industry.