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.
| 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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