GWC78.88 ADVANCE marine gearbox rated input speed is 300-950rpm, ratio 2.04-6.09 and transmission capacity is 7.830-23.372kW/rpm. GWC78.88 reverse reduction gear has a primary stage, a reduction stage and a reverse stage. Input and output are coaxial and have same sense of rotation.
Standard Configuration
- Controller
- 2-stage control valve
- Filter & Cooler
- Pressure switch
- Temperature switch
- Input flange
- Output shaft
- Mounting bracket
- CCS certificate
Technical Data of ADVANCE GWC78.88 Gearbox
| Input Speed (rpm) | Ratio | Transmission Capacity (kW/rpm) |
| 300-335 | 2.04 | 23.372 |
| 300-410 | 2.49 | 19.099 |
| 300-490 | 2.98 | 15.983 |
| 300-570 | 3.48 | 13.708 |
| 300-650 | 3.95 | 12.063 |
| 300-730 | 4.49 | 10.615 |
| 300-820 | 5.01 | 9.511 |
| 300-900 | 5.47 | 8.712 |
| 300-950 | 6.09 | 7.830 |
- Input and output shafts are coaxial
- Rated propeller thrust 1000kN
- Oil grade, SD/CC30 or SAE30, SD/CC40 or SAE40 (in summer of the torrid zone)
- Max. lub. oil temperature 80℃
- Cooling water inlet temperature ≤ 32℃
- Cooling water inlet pressure ≤ 0.6Mpa
- Reversing time t ≤ 15s
- Mechanical efficiency ≥ 0.97
- Net weight 35000kg
Optional Configuration
- Electrical control / Pneumatic control
- Highly flexible coupling
- Stand-by pump
- Classification society
- GWC78.88 Gearbox Datasheet
- ADVANCE Gearbox Catalogue
- GW Series Service Manual
- GWC78.88 Parts List
- GWC78.88 PDF Drawing
* Specifications subject to change without prior notice in the interest of continual product improvement. Technical data should be based on technical agreement for each order. Please contact our sales representative for engineering specifications, Survey Society Approvals and Classifications.