CGH70.76 NGC marine gearbox features single-stage reduction with horizontal offset input and output shafts, opposite rotation direction, and integrated ahead/astern reversing clutch with reduction. Rated input speed is 300-900 rpm, reduction ratio 1.94-3.95, and transmission capacity 8.11 kW/rpm. Manufactured by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC), it ensures efficient power transmission for a wide range of vessels.
CGH70.76 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 CGH70.76
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 300-900 | 1.94 | 8.11 |
| 2.54 | ||
| 3.00 | ||
| 3.50 | ||
| 3.95 |
- Design & Function: Single-stage reduction gearbox with horizontal offset input and output shafts, opposite rotation direction, and integrated ahead/astern reversing clutch with reduction.
- Shaft Arrangement: Input and output shafts are horizontal offset 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 19000 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 CGH70.76 Marine Gearbox Technical Datasheet
- CGH70.76 NGC Gearbox Installation & Service Manual
- CGH70.76 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.