Weichai industrial power engine WP4  and WP6 for marine genset WP4 and WP6 power product for marine diesel oil power generation WP4 and WP6 series products are jointly developed by Weichai Power and Deutz Company which include the wisdom of staff of European R&D center. With adaptive development of all dimension according to characteristics of power of land based power generation, formed latest supporting power of 50kW to 150kW gen-sets; the engine have characteristics of advanced performance, compact structure, high reliability, environment protect, low noise, easy to start and strong environmental adaptability. The engine adopts gantry frame structure engine body, single cylinder head and wet cylinder liner. WP6 engine adopts second-generation engine body, and built-in engine oil cooler, increase the cooling capacity of diesel oil and reliability significantly. Meet qualifications of CCS, ZY, BV and RS; take the leading in same industry to pass ISO9001 quality system and GJB9001A-2001 military standard certification.

Engine Model	WP4	WP6
Cylinder No.	L4	L6
Bore/Stroke(mm/mm)	105/130
Displacement(L)	4.5	6.75
Power range(kW)	66-118	132-158
Rate speed range(r/min)	1500/1800
Lowest fuel consumption(g/kW·h)	≤198
Emission	IMO tier II

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