CGS66.75 NGC marine gearbox features single-stage reduction gearbox with vertical offset input and output shafts, opposite rotation direction, and integrated ahead/astern reversing clutch with reduction. Rated input speed is 300-950 rpm, reduction ratio 1.97-3.95, and transmission capacity 7.18 kW/rpm. Manufactured by NGC Marine (Nanjing Accurate Marine Equipment Co., Ltd., NGC), it ensures efficient power transmission for a wide range of vessels.
CGS66.75 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 CGS66.75
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 300-950 | 1.97 | 7.18 |
| 2.47 | ||
| 3.00 | ||
| 3.52 | ||
| 3.95 |
- Design & Function: Single-stage reduction gearbox with vertical offset input and output shafts, opposite rotation direction, and integrated ahead/astern reversing clutch with reduction.
- Shaft Arrangement: Input and output shafts are vertical offset for compact installation and efficient power transmission.
- Thrust Capacity: Rated propeller thrust up to 730 kN.
- Dimensions: To be confirmed / as per drawing.
- Net Weight: Approximately 17500 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 CGS66.75 Marine Gearbox Technical Datasheet
- CGS66.75 NGC Gearbox Installation & Service Manual
- CGS66.75 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.