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Marine High Speed Engine WP2.1/WP4.1
Weichai WP4.1 marine diesel engine series is the newly developed high-speed engine based on marine engine user behavior and working conditions, relying on Weichai’s 70 years of research and development experiences and introduction of advanced technology from home and abroad. The engine has a power of 40-60kW, compact structure, reliable operating, strong power, good economy, simple operation and convenient maintenance.
| Model | Power | Speed | Aspiration | |
| HP | kW | RPM | ||
| WP2.1C27E1 | 27 | 20 | 2000 | NA |
| WP2.1C35E1 | 35 | 26 | 2700 | NA |
| WP4.1C54-15 | 54 | 40 | 1500 | T |
| WP4.1C68-15 | 68 | 50 | 1500 | T |
| WP4.1C82-18 | 82 | 60 | 1800 | T |
Note: NA: Natural Aspiration ; T: Turbocharged ; TA: Turbocharged & Aftercooled
| Model | WP2.1 | WP4.1 |
| Type | In line, direct injection, 4 strokes, water cooled | |
| Numbers of Cylinders | 4 | 4 |
| Bore (mm) | 85 | 105 |
| Stroke (mm) | 92 | 118 |
| Displacement (L) | 2.1 | 4.1 |
| Min. Fuel consumption (g/kW.h) | 215 | 212 |
| Crankshaft rotating direction (Toward the flywheel end) | counterclockwise | |
| Net weight (kg) | 220 | 400 |
| Dimensions (mm) L*W*H | 688*718*835 | 1062*625*918 |
| Overhaul (h) | >6000 | 12000 |
Standard Equipment
|
Engine and block
Cooling system
Lubrication system
|
Fuel system
Electrical system
Flywheel and housing
|
It is an ideal choice of power for small-sized offshore and inland river transport vessels, fishing boats and official business boat.
