Road Machinery Diesel Engine Series
Road Machinery WP2.3N Diesel Engine
The Weichai WP2.3N is a 2.289-liter Euro VI-compliant diesel engine engineered specifically for 5–6 meter school buses, delivering up to 140.7 HP power and 340 N·m torque for strong take-off and smooth acceleration in city conditions. It maintains excellent fuel efficiency with a wide low-consumption operating range of 1400–2400 rpm. Reliability is ensured through upgraded pistons, bearings, and extensive bench and vehicle durability testing. Noise-reduction technologies and optimized NVH design provide a quiet, comfortable ride.
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 |
| WP2.3N | WP2.3NQ120E61 | 2.289 | 4-89×92 | 4 | 88/3200 | 320/1500-2400 | CR+EGR+DOC+DPF+SCR |
| WP2.3NQ130E61 | 96/3200 | 380/1600-2400 |
FAQ- ENGINE
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