CGC60.74 NGC marine gearbox features two-stage reduction, coaxial input/output, and an ahead/astern reversing clutch, designed for reliable marine propulsion. Rated input speed is 400-1200 rpm, reduction ratio 1.99-6.94, and transmission capacity 3.375-9.913 kW/rpm. Manufactured by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC), it ensures efficient power transmission for a wide range of vessels.
CGC60.74 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 CGC60.74
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 400-530 | 1.99 | 9.913 |
| 400-670 | 2.53 | 8.364 |
| 400-815 | 3.06 | 7.434 |
| 400-935 | 3.51 | 6.862 |
| 400-1070 | 4.02 | 6.372 |
| 400-1200 | 4.5 | 5.050 |
| 400-1200 | 5.04 | 4.512 |
| 400-1200 | 5.51 | 4.122 |
| 400-1200 | 6.04 | 3.762 |
| 400-1200 | 6.5 | 3.496 |
| 400-1200 | 6.94 | 3.375 |
- Design & Function: Two-stage reduction with coaxial input and output shafts, same rotation direction, equipped with ahead/astern reversing clutch and reduction function.
- Shaft Arrangement: Input and output shafts are coaxial for compact installation and efficient power transmission.
- Thrust Capacity: Rated propeller thrust up to 660 kN.
- Dimensions: To be confirmed / as per drawing.
- Net Weight: Approximately 17000 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 CGC60.74 Marine Gearbox Technical Datasheet
- CGC60.74 NGC Gearbox Installation & Service Manual
- CGC60.74 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.