CGC45.49 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 1.94-6, and transmission capacity 1.861-5.500 kW/rpm. Manufactured by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC), it ensures efficient power transmission for a wide range of vessels.
CGC49.54 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 CGC49.54
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 400-600 | 1.94 | 5.500 |
| 400-750 | 2.46 | 4.540 |
| 400-900 | 2.92 | 3.827 |
| 400-1050 | 3.45 | 3.240 |
| 400-1200 | 3.95 | 2.825 |
| 400-1200 | 4.53 | 2.462 |
| 400-1200 | 4.91 | 2.273 |
| 400-1200 | 5.48 | 2.036 |
| 400-1200 | 6 | 1.861 |
- 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 290 kN.
- Dimensions: To be confirmed / as per drawing.
- Net Weight: Approximately 7900 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 CGC49.54 Marine Gearbox Technical Datasheet
- CGC49.54 NGC Gearbox Installation & Service Manual
- CGC49.54 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.