CGC78.88 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 200-800 rpm, reduction ratio 2.04-6.09, and transmission capacity 7.830-23.372 kW/rpm. Manufactured by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC), it ensures efficient power transmission for a wide range of vessels.
CGC78.88 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 CGC78.88
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 200-310 | 2.04 | 23.372 |
| 200-390 | 2.49 | 19.099 |
| 200-470 | 2.98 | 15.983 |
| 200-570 | 3.48 | 13.708 |
| 200-650 | 3.95 | 12.063 |
| 200-680 | 4.49 | 10.615 |
| 200-720 | 5.01 | 9.511 |
| 200-750 | 5.47 | 8.712 |
| 200-800 | 6.09 | 7.830 |
- 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 1000 kN.
- Dimensions: To be confirmed / as per drawing.
- Net Weight: Approximately 35000 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 CGC78.88 Marine Gearbox Technical Datasheet
- CGC78.88 NGC Gearbox Installation & Service Manual
- CGC78.88 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.