Mode	Displacement (L)	Number of valves per cylinder	Rated power/speed (kW/rpm)	Maximum torque/speed (N.m/rpm	Min. fuel consumption on external characteristic curve (g/kW·h)	Technical route	Application
WP8.320E51	7.8	4	235/2100	1300/1200-1600	≤205	CR+SCR	11-12m city bus 11-12m coach
WP8.340E51	7.8	4	250/2100	1400/1200-1600	≤205	CR+SCR	11-12m city bus 11-12m coach
WP8.320E61	7.8	4	235/2100	1280/1200-1600	≤205	CR+EGR+DOC+DPF+SCR	11-12m city bus 11-12m coach
WP8.350E61	7.8	4	257/2100	1400/1200-1600	≤205	CR+EGR+DOC+DPF+SCR	11-12m city bus 11-12m coach

Product advantages

Emission standards: Euro V and Euro VI.
Power performance: High power, high torque (and high output torque at low speed).
Economy: The optimized powertrain system ensures low fuel consumption; the engine is able to achieve high mechanical efficiency at low speed, ensuring low fuel consumption.
Comfort: The customized development of NVH ensures low noise and vibration

More safe and reliable

Better economy

The speed that can achieve minimum fuel consumption covers the whole working speed range.
The intake and exhaust manifolds are arranged on different sides, improving charge efficiency, optimizing combustion, and improving economy.

High configuration

The integrated rotor-type oil pump and standard shear gear reduce transmission noise further.

WP8 Series Weichai Bus Engines High Torque Customized Low Vibration

Weichai Generator Sets