R6126ZLD
Big-bore power six
Big-bore turbocharged intercooled six-cylinder for 250–350 kVA generator sets and heavy continuous-duty power.
- 258 kW
- Power
- 6
- Cylinders
- 9.73 L
- Displacement
- 1643 N·m
- Torque

Technical specifications
- Model
- R6126ZLD
- Series
- R6126 / 6-cylinder
- Cylinders
- 6
- Arrangement
- Inline, vertical, 4-stroke
- Aspiration
- Turbocharged & intercooled
- Cooling
- Water-cooled (radiator)
- Bore × stroke
- 126 × 130 mm
- Displacement
- 9.73 L
- Compression ratio
- 16 : 1
- Rated power
- 258 kW / 350 hp
- Rated speed
- 1500 rpm
- Prime power
- 234 kW
- Max torque
- 1643 N·m
- Fuel consumption (BSFC)
- 195 g/kW·h
- Starting
- 24 V electric start
- Governor
- Electronic
- Fuel
- 0# / -10# light diesel
- Dimensions (L×W×H)
- 1560 × 780 × 1200 mm
- Net weight
- 1050 kg
Manufacturer spec sheet (R-series)
Official R-series technical specification table, including the R6126ZLD.

Engine gallery




Comparison — 6-cylinder class
How the R6126ZLD compares with related engines of the same cylinder count.
| Model | Power | Torque | Displacement | Aspiration | BSFC |
|---|---|---|---|---|---|
| R6126ZLD (this) | 258 kW | 1643 N·m | 9.73 L | Turbo+IC | 195 g/kW·h |
| R6105ZD | 84 kW | 535 N·m | 6.49 L | Turbo | 224 g/kW·h |
| R6105AZD | 100 kW | 637 N·m | 6.23 L | Turbo | 201 g/kW·h |
| R6105AZLD | 110 kW | 700 N·m | 6.75 L | Turbo+IC | 225 g/kW·h |
| R6105IZLD | 132 kW | 840 N·m | 7.02 L | Turbo+IC | 225 g/kW·h |
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