Marine Engines
YC4F/4FA
Features & Benefits
- World-class high speed engine for speed pursuer
- Yuchai sealing technology in piston ring and valve oil seal reduces the lube oil consumption
- High reliability, fuel efficiency and low maintenance cost
- Compact size facilitates installation, maintenance and repair
- Operator and nature friendly with low noise, rapid start ability and low emissions
- Major overhaul period is more than 10000 hours
Technical Specifications
| Model | YC4FA50Z-C20 | YC4F115C-31 | YC4F100-C20 | YC4F90L-C20 |
|---|---|---|---|---|
| Type | Vertical, in-line, water-cooled, four stroke | |||
| Intake way | Turbo charging | Turbo charging & inter-cooled | ||
| No. of cylinders – Bore × Stroke (mm) | 4-96×103 | 4-92×100 | ||
| Displacement (L) | 2.982 | 2.66 | ||
| Compression ratio | 16.3:1 | |||
| Power / speed (kW (Ps)/r/min) | 38 (50)/1500 | 85 (115)/3100 | 73 (100)/2950 | 63 (90)/2800 |
| Min. specific fuel consumption (g/kW·h) | ≤195 | |||
| Specific oil consumption (g/kW·h) | ≤0.8 | |||
| Crankshaft rotation direction (seen from power output end) | Anticlockwise | |||
| Starting way | Electrical | Electrical | ||
| Net weight (kg) | 380 | 420 | ||
| Overall dimensions (L x W x H) (mm) | 828×663×724 | 866×623×738 | ||
| Certificate | ZC、CCS | |||