55HP 1800RPM Yuchai marine propulsion boat diesel engine (YC4D55C)
| Model | | YC4D55C |
| Type |
| Vertical, in-line, water-cooled, four stroke |
| Intake way |
| Natural aspirated |
| No. of cylinders - Bore × Stroke | (mm) | 4-108×115 |
| Displacement | (L) | 4.214 |
| Compression ratio |
| 17:1 |
| Continuous power /speed | (kW (Ps)/r/min) | 40 (55)/1800 |
| One-hour power/speed | (kW (Ps)/r/min) | 44 (60)/1858 |
| Min. specific fuel consumption | (g/kW·h) | ≤200 |
| Specific oil consumption | (g/kW·h) | ≤0.8 |
| Crankshaft rotation direction (seen from power output end) |
| Anticlockwise |
| Starting way |
| Electrical |
| Net weight | (kg) | 370 |
| Overall dimensions (LxWxH) | (mm) | 986×730×948 |
| Certificate |
| ZC、CCS |
