Weichai WP12 series marine diesel engine (295-405kW)

The high-strength design of structural parts such as engine block, piston and bearing bush ensures the reliability of diesel engine under high explosion pressure For turbocharger, starter, high-pressure oil pump and other important parts, global excellent suppliers are used Withstand the most stringent durability test and assessment; ensure the reliability of key parts and components; and the overhaul period of the whole engine is over 20000h Perfect self-diagnosis system, perfect failure protection mode, and safe control strategy Replace the filter without stopping

Product Features:

Strong power

Accurate control by electronic control units, high injection pressure, small fluctuation of rotating speed, and strong power
Low-speed and high-torque design with the torque reserve of 25%-35%, quick response, and fast speed increase

Economical and fuel-efficient

The fuel injection law is optimized, the fuel injection pressure, fuel injection quantity and fuel injection time are accurately controlled, the fuel is fully atomized, and the minimum fuel consumption rate is 191g/kW•h
Customized design for lower fuel consumption

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Details

Parameters Table

Type	Four-stroke, water cooled, in-line, turbocharged and aftercooled	Number of cylinders	6
Bore & stroke	126×155 (mm)	Displacement	11.596 L
Oil consumption rate	≤0.5 g/kW.h	Noise	≤100 dB(A)
Minimum fuel consumption rate	191 g/kW.h	Idle speed	650±50 r/min
Torque reserve	25-35%	Rotation direction of crankshaft (facing the flywheel end)	Counter-clockwise
Dimensions (L×W×H) / net weight	Mechanical pump 1695×858×1385 (mm) / 1200kg HPCR 1683×928×1264 (mm) / 1200kg

Model Portfolio Table

Series	Model	Aspiration	Rated power kW/Ps	Speed r/min	Fuel system	Emission	Power rating
WP12	WP12C400-18	TA	295/400	1800	Mechanical pump	IMO Ⅱ	P1
	WP12C450-21	TA	330/450	2100	Mechanical pump	IMO Ⅱ	P1
	WP12C500-21E121	TA	368/500	2100	HPCR	IMO Ⅱ	P2
	WP12C550-21E121	TA	405/550	2100	HPCR	IMO Ⅱ	P3

Remark: Product parameters and model portfolio are for reference only. Please contact relevant personnel for official information on delivery time and fishing boat model portfolio.

Product description

Safe and reliable

The high-strength design of structural parts such as engine block, piston and bearing bush ensures the reliability of diesel engine under high explosion pressure
For turbocharger, starter, high-pressure oil pump and other important parts, global excellent suppliers are used
Withstand the most stringent durability test and assessment; ensure the reliability of key parts and components; and the overhaul period of the whole engine is over 20000h
Perfect self-diagnosis system, perfect failure protection mode, and safe control strategy
Replace the filter without stopping

Strong power

Accurate control by electronic control units, high injection pressure, small fluctuation of rotating speed, and strong power
Low-speed and high-torque design with the torque reserve of 25%-35%, quick response, and fast speed increase

Economical and fuel-efficient

The fuel injection law is optimized, the fuel injection pressure, fuel injection quantity and fuel injection time are accurately controlled, the fuel is fully atomized, and the minimum fuel consumption rate is 191g/kW•h
Customized design for lower fuel consumption

Comfortable and environmentally friendly

It can realize multiple injections such as pre-injection and post-injection, and the noise and vibration are reduced by 20% compared with the mechanical pump system
Water jacket exhaust pipe and water jacket exhaust tail pipe are used to reduce engine compartment temperature
IMOⅡ ship emission standards are met

Strong practicability

LCD Internet instruments, vibration isolators, and hand-pressed oil well pumps can be equipped to meet the requirements of different customers
Horizontal air filter and rear turbocharger reduce the height of the whole engine and facilitate the layout of the engine compartment
Different control strategies are adjusted according to different performance requirements
Receive/output various control signals, which meet the requirements of automation control