CGC36.39 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 400-1800 rpm, reduction ratio 1.97-5.97, and transmission capacity 0.634-1.920 kW/rpm. Manufactured by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC), it ensures efficient power transmission for a wide range of vessels.
CGC36.39 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 CGC36.39
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 400-900 | 1.97 | 1.920 |
| 400-1150 | 2.45 | 1.546 |
| 400-1350 | 2.98 | 1.272 |
| 400-1600 | 3.47 | 1.090 |
| 400-1800 | 3.95 | 0.960 |
| 400-1800 | 4.4 | 0.862 |
| 400-1800 | 5.01 | 0.756 |
| 400-1800 | 5.47 | 0.693 |
| 400-1800 | 5.97 | 0.634 |
- 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 140 kN.
- Dimensions: To be confirmed / as per drawing.
- Net Weight: Approximately 3200 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 CGC36.39 Marine Gearbox Technical Datasheet
- CGC36.39 NGC Gearbox Installation & Service Manual
- CGC36.39 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.