| Model | YC6J170NL-C20 | YC6J135NL-C20 | YC6J110NL-C20 | YC6J90NL-C20 |
|---|---|---|---|---|
| Category | Marine G-drive auxiliary engine | |||
| Type | Vertical, in-line, water-cooled, four-stroke | |||
| Induction system | Turbocharged & intercooled | |||
| Number of cylinders | 6 | 6 | 6 | 6 |
| Bore (mm) | 105 | 105 | 105 | 105 |
| Stroke (mm) | 125 | 125 | 125 | 125 |
| Displacement (L) | 6.494 | 6.494 | 6.494 | 6.494 |
| Rated power / speed (kW (PS) / r·min−1) |
125 / 1500 | 100 / 1500 | 80 / 1500 | 66 / 1500 |
| Overload power (kW) | 138 | 110 | 88 | 73 |
| Overload speed (r/min) | 1500 | 1500 | 1500 | 1500 |
| Minimum steady-state speed with load (r/min) | 650–800 | 650–800 | 650–800 | 650–800 |
| Average piston speed (m/s) | 6.25 | 6.25 | 6.25 | 6.25 |
| Mean effective pressure (MPa) | 1.54 | 1.23 | 0.99 | 0.81 |
| Firing order | 1—5—3—6—2—4 | |||
| Rotation | Anticlockwise (facing the power output end) | |||
| Starting mode | Electric start | |||
| Fuel | LNG | |||
| Oil capacity (L) | 18–20 | 18–20 | 18–20 | 18–20 |
| Steady-state speed regulation (%) | ≤5 | ≤5 | ≤10 | ≤10 |
| Instantaneous speed regulation (%) | ≤10 | ≤10 | ≤5 | ≤5 |
| Emission | China II marine engines | |||
| Dimensions (L × W × H) (mm) | 1385 × 822 × 1152 | 1385 × 822 × 1152 | 1385 × 822 × 1152 | 1385 × 822 × 1152 |
| Dry weight (kg) | 795 | 795 | 795 | 795 |