CGC42.45 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 400-1600 rpm, reduction ratio 2-5.93, and transmission capacity 1.106-3.280 kW/rpm. Manufactured by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC), it ensures efficient power transmission for a wide range of vessels.
CGC42.45 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 CGC42.45
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 400-800 | 2 | 3.280 |
| 400-1000 | 2.55 | 2.577 |
| 400-1200 | 3.025 | 2.169 |
| 400-1400 | 3.58 | 1.832 |
| 400-1600 | 4 | 1.640 |
| 400-1600 | 4.47 | 1.467 |
| 400-1600 | 5 | 1.312 |
| 400-1600 | 5.6 | 1.171 |
| 400-1600 | 5.93 | 1.106 |
- 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 220 kN.
- Dimensions: To be confirmed / as per drawing.
- Net Weight: Approximately 4700 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 CGC42.45 Marine Gearbox Technical Datasheet
- CGC42.45 NGC Gearbox Installation & Service Manual
- CGC42.45 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.