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	Applicable model
WP2.5NQ150E61	2.49	4	110/2900	400/1400-2200	≤205	CR+EGR+DOC+DPF+SCR	6.6-7m city bus 6.6-7m coach 6.6-7.5m school bus
WP2.5NQ160E61	2.49	4	118/2900	450/1400-2200	≤205	CR+EGR+DOC+DPF+SCR	6.6-7m city bus 6.6-7m coach 6.6-7.5m school bus

Product advantages

Emission standards: Euro V/VI.
Powerful: High torque: 380N•m, output torque at low speed: 245N•m.
Economy: Minimum fuel consumption: 200g/(kW·h).
Comfort: The customized development of NVH ensures low noise and vibration.
Universality: The BOSCH system is used in the fuel system, which guarantees the maximum universality of parts.
Light weight: Its applies a large number of cast aluminum parts and weighs 230kg, which is the lightest one among those products of same power.
Small size: The engine is 810mm long, ensuring the easy assembling in OEM.

More safe and reliable

The movement speed of moving parts is reduced, and the movement time is prolonged.
The wear of friction pairs per unit time is reduced.
The service life of the crankshaft flywheel system and gear system is prolonged.
The engine block, piston, bearing shell, etc. are improved comprehensively, and B10 life is 800,000 km.

Better economy

More comfortable

The high frequency torsional vibration zone of the engine is avoided.
The noise reduction flywheel housing is used and its noise level is 92d(B) under common operating conditions.

WP2.5N Series Weichai Bus Engines Light Weight OEM Available

Weichai Generator Sets