CGC75.90 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 200-1100 rpm, reduction ratio 2.01-6.02, and transmission capacity 7.489-22.423 kW/rpm. Manufactured by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC), it ensures efficient power transmission for a wide range of vessels.
CGC75.90 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 CGC75.90
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 200-465 | 2.01 | 22.423 |
| 200-580 | 2.51 | 17.966 |
| 200-695 | 3.01 | 15.000 |
| 200-815 | 3.51 | 12.833 |
| 200-925 | 4 | 11.228 |
| 200-1025 | 4.43 | 10.175 |
| 200-1100 | 5.04 | 8.953 |
| 200-1100 | 5.47 | 8.250 |
| 200-1100 | 6.02 | 7.489 |
- 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 980 kN.
- Dimensions: To be confirmed / as per drawing.
- Net Weight: Approximately 27000 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 CGC75.90 Marine Gearbox Technical Datasheet
- CGC75.90 NGC Gearbox Installation & Service Manual
- CGC75.90 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.