Weichai WP12 Engine

Weichai WP12 Engine

WP12 series marine diesel engine is a series of diesel engines in the blue engine, based on WP12, for marine power features and configuration requirements to use, all- optimized design for the new design and development of special environment-friendly diesel engines for marine energy。

They are powerful, economical, high reliability, is the inland shipping, fishing , official boats and other vessels supporting the best energy-saving power.

WP12C series marine diesel engine with high pressure common rail blue main framework of the Euro III diesel engine structure, such as body, crankcase, cylinder head, crankshaft, connecting rod and other components.

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Series Model Air intake mode Rated power kW/Ps Speed r/min Fuel feeding mode Emission level Power classification
WP12 WP12C400-18 Turbocharged and intercooled 295/400 1800 Mechanical pump IMOⅡ P1
WP12C450-21 Turbocharged and intercooled 330/450 2100 Mechanical pump IMOⅡ P1
WP12C500-21 Turbocharged and intercooled 368/500 2100 HPCR IMOⅡ P2
WP12C550E212 Turbocharged and intercooled 405/550 2100 HPCR IMOⅡ P3

Type Four-stroke, water cooled,
in-line, turbocharged and intercooled 		Number of cylinders 6
Cylinder Bore/stroke 126×155(mm) Displacement 11.596L
Oil consumption rate ≤0.5g/kW·h Noise ≤100dB（A）
Minimum fuel consumption rate 191g/kW·h Idle speed 600±50r/min
Torque reserve 25-35% Rotation direction of crankshaft
(facing the flywheel end) 		Counter-clockwise
Dimensions
Length × Width × Height/net weight 		Mechanical pump 1695×858×1385（mm） 1200kg
Electronical-controlled pump and rear turbocharger 1683×928×1264（mm） 1200kg

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