CGL70.76 NGC marine gearbox features two-stage reduction with coaxial input and output shafts, same rotation direction, and integrated clutch with reduction. Rated input speed is 300-950 rpm, reduction ratio 2.05-6.17, and transmission capacity 5.191-15.643 kW/rpm. Manufactured by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC), it ensures efficient power transmission for a wide range of vessels.
CGL70.76 Scope of Supply
- Oil cooler
- Gear pump
- Filter
- Operating valve
- Two-stage control valve
- Monitoring meter
- Input flange
- Output flange
Technical Data of NGC Gearbox CGL70.76
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 300-450 | 2.05 | 15.643 |
| 300-600 | 2.53 | 12.673 |
| 300-700 | 3.09 | 10.364 |
| 300-800 | 3.58 | 8.943 |
| 300-900 | 3.95 | 8.111 |
| 300-950 | 4.57 | 7.005 |
| 300-950 | 5.05 | 6.348 |
| 300-950 | 5.58 | 5.745 |
| 300-950 | 6.17 | 5.191 |
- Design & Function: Two-stage reduction with coaxial input and output shafts, same rotation direction, and integrated clutch with reduction.
- Shaft Arrangement: Input and output shafts are coaxial for compact installation and efficient power transmission.
- Thrust Capacity: Rated propeller thrust up to 750 kN.
- Dimensions: To be confirmed / as per drawing.
- Net Weight: Approximately 20500 kg.
Optional Configuration
- Control system options: Mechanical control, electrical control, or pneumatic control.
- Highly flexible coupling: Reduces torsional vibration and protects the drivetrain.
- Stand-by pumpset: Ensures reliable operation and system redundancy.
- Classification society compliance: Available with certification from major classification societies upon request.
- NGC CGL70.76 Marine Gearbox Technical Datasheet
- CGL70.76 NGC Gearbox Installation & Service Manual
- CGL70.76 Marine Reduction Gearbox Dimensional Drawing (PDF)
- NGC Marine Gearboxes & Propulsion Products Catalogue
Specifications subject to change without prior notice in the interest of continual product improvement. Contact our sales representative for engineering specifications, survey society approvals and classifications.