Weichai Diesel Engine
Weichai WP3NQ140E50
Weichai WP3NQ140E50 diesel engine: 103 kW @ 3000 rpm, 380 Nm @ 1400-2400 rpm, 3.0 L, Euro V. For 10–14 t GVW cargo trucks. Shipped worldwide.
Introduction
A new-generation engine on Weichai's high-end platform, with outputs from 103 to 125 kW in Euro V/VI versions, used in N2 and N3 light-duty trucks.
Features
High reliability
- Wet cylinder liners, deep-skirt drum-shaped block and one-piece cast-iron cylinder head; pistons, connecting rods, crankshaft, bearings and other moving parts are newly designed. B10 life of 800,000 km.
- Developed to heavy-truck reliability requirements, with Weichai's heavy-truck suppliers.
- Block and cylinder head are cast and machined by Weichai for high consistency.
Low noise and vibration
- Rear gear train, enclosed flywheel housing and plastic cylinder-head cover reduce noise.
- Block reinforcing plate as standard and an optional second-order balancer lower overall vibration.
Low fuel consumption
- Minimum fuel consumption of 198 g/kW·h.
Powerful
- 103-125 kW across the series, with torque up to 520 N·m at 1,400-2,100 r/min.
Adaptability
- Modular design with compactly arranged accessories and a wide choice of options for a broad range of applications.
- Filters, alternators, starters and other parts are shared across the N platform, which simplifies maintenance.
Main Parameters
| Model | WP3NQ140E50 |
|---|---|
| Power / speed (kW / rpm) | 103/3000 |
| Max torque / speed (Nm / rpm) | 380/1400-2400 |
| Displacement (L) | 2.97 |
| Emission standard | Euro V |
| Fuel system | common rail + SCR |
| Air intake | Turbocharged and intercooled |
| Applications | GVW: 10-14t cargo truck |
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