BEIJING SINO STEEL ENGINEERING & EQUIPMENT CO., LTD.
Beijing Sino Steel Engineering & Equipment Co., Ltd. Building Our Future Together
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Speed reducer Gearbox GWC GWD GWS GWH GWL and GWK six series
GW-series marine gearbox is developed with the introduced technology from LOHMANN Company (German), including GWC, GWD, GWS, GWH, GWL and GWK six series, in which GWC as the basic type. These series are complete in specifications, high market share, and widely used in large ships such as transport, engineering, and fishing boats.
GWC-series marine gearbox is designed of two-stage speed reduction, concentric input and output and rotating in one direction, possessing functions of ahead and astern, clutching & de-clutching and speed reduction. It features in compact in structure, small in volume and smooth in operation.
GWL-series marine gearbox is designed of two-stage speed reduction, input and output being concentric and rotating in one direction, possessing functions of clutching & de-clutching and speed reduction. It features in compact in structure, small in volume and smooth in operation.
GWK-series marine gearbox is designed of one-stage speed reduction, input and output being vertically offset and rotating in contrary direction, possessing functions of clutching & de-clutching and speed reduction. It features in compact in structure, small in volume and smooth in operation.
| Model | Input Speed (r/min) | Reduction Ratio (i) | Trans. Capacity (kW/r·min-1) | Rated Thrust (kN) | Net Weight (kg) |
| GWC28.30 | 400-900 | 2.0607 | 0.781 | 80 | 1230 |
| 400-1150 | 2.5053 | 0.642 | |||
| 400-1350 | 3.080 | 0.522 | |||
| 400-1600 | 3.5353 | 0.455 | |||
| 400-1800 | 4.0526 | 0.397 | |||
| 4.5351 | 0.346 | ||||
| 5.0918 | 0.316 | ||||
| 5.5861 | 0.286 | ||||
| 6.1368 | 0.257 | ||||
| GWC30.32 | 400-900 | 2.0317 | 1.066 | 100 | 1460 |
| 400-1150 | 2.5517 | 0.846 | |||
| 400-1350 | 3.0370 | 0.713 | |||
| 400-1600 | 3.5200 | 0.618 | |||
| 400-1800 | 4.0 | 0.537 | |||
| 4.5455 | 0.470 | ||||
| 5.0476 | 0.426 | ||||
| 5.6410 | 0.375 | ||||
| 6.054 | 0.346 | ||||
| GWC32.35 | 400-900 | 2.0585 | 1.346 | 113 | 2250 |
| 400-1150 | 2.5415 | 1.088 | |||
| 400-1350 | 3.0211 | 0.9176 | |||
| 400-1600 | 3.5759 | 0.772 | |||
| 400-1800 | 4.0526 | 0.684 | |||
| 4.5930 | 0.602 | ||||
| 5.0894 | 0.537 | ||||
| 5.5724 | 0.493 | ||||
| 6.0789 | 0.448 | ||||
| GWC36.39 | 400-900 | 1.9737 | 1.838 | 140 | 3000 |
| 400-1150 | 2.4502 | 1.471 | |||
| 400-1350 | 2.9791 | 1.221 | |||
| 400-1600 | 3.4737 | 1.044 | |||
| 400-1800 | 3.9474 | 0.919 | |||
| 4.3958 | 0.816 | ||||
| 5.0065 | 0.735 | ||||
| 5.4656 | 0.669 | ||||
| 5.9744 | 0.610 | ||||
| GWC39.41 | 400-800 | 1.9750 | 2.397 | 175 | 3250 |
| 400-1000 | 2.4690 | 1.868 | |||
| 400-1200 | 3.052 | 1.551 | |||
| 400-1400 | 3.48 | 1.338 | |||
| 400-1600 | 4.051 | 1.169 | |||
| 400-1600 | 4.484 | 1.037 | |||
| 4.996 | 0.919 | ||||
| 5.506 | 0.831 | ||||
| 5.999 | 0.757 |
