CGL70.85 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 300-900 rpm, reduction ratio 1.98-6.05, and transmission capacity 6.282-19.200 kW/rpm. Manufactured by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC), it ensures efficient power transmission for a wide range of vessels.
CGL70.85 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 CGL70.85
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 300-400 | 1.98 | 19.200 |
| 300-480 | 2.45 | 15.484 |
| 300-600 | 3.01 | 12.617 |
| 300-700 | 3.49 | 10.863 |
| 300-800 | 3.95 | 9.600 |
| 300-850 | 4.47 | 8.484 |
| 300-850 | 5.05 | 7.513 |
| 300-900 | 5.58 | 6.808 |
| 300-900 | 6.05 | 6.282 |
- 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 800 kN.
- Dimensions: To be confirmed / as per drawing.
- Net Weight: Approximately 23000 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 CGL70.85 Marine Gearbox Technical Datasheet
- CGL70.85 NGC Gearbox Installation & Service Manual
- CGL70.85 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.