Slew Drives WEA Series
The TransDrive WEA Series Slew Drives has been built for durability, efficiency, and precision in demanding applications. Featuring a robust enclosing gearing system, it provides superior protection against dust, moisture, and debris, ensuring long-lasting performance in harsh environments.
Its worm gear mechanism delivers high reduction ratios, smooth operation, and strong torque transmission, making it ideal for heavy-duty tasks. The self-locking feature prevents backdriving, enhancing safety and stability in applications requiring controlled positioning.
Compact and easy to integrate, the WEA Series is perfect for solar tracking, wind turbines, industrial automation, construction, and material handling. With low maintenance needs and exceptional reliability, it’s a cost-effective solution for industries demanding consistent, high-performance operation.
Our Range
- WEA7
- WEA9
- WEA12
- WEA14
- WEA17
- WEA19
- WEA21
- WEA25

product Specifications
Model | Output Torque | Tilting Moment Torque | Holding Torque | Static Axial Rating | Static Radial Rating | Dynamic Axial Rating | Dynamic Radial Rating | Gear Ratio | Tracking Precision | Weight |
---|---|---|---|---|---|---|---|---|---|---|
WEA7 | 3.5kNm | 14.2kNm | 20kNm | 220kN | 90kN | 63kN | 48kN | 47:1 | ≤0.15° | 35kg |
2583lbf.ft | 10.5 x 10³lbf.ft | 14.8 x 10³lbf.ft | 49.5 x 10³lbf | 20.2 x 10³lbf | 14.2 x 10³lbf | 10.8 x 10³lbf | ||||
WEA9 | 8kNm | 35.6kNm | 38.7kNm | 578kN | 215kN | 136kN | 115kN | 62:1 | ≤0.15° | 53kg |
5904lbf.ft | 26.3 x 10³lbf.ft | 29 x 10³lbf.ft | 129.9 x 10³lbf | 48.3 x 10³lbf | 30.6 x 10³lbf | 25.9 x 10³lbf | ||||
WEA12 | 9.5kNm | 57kNm | 43kNm | 760kN | 280kN | 190kN | 148kN | 79:1 | ≤0.15° | 66.8kg |
7011lbf.ft | 42.1 x 10³lbf.ft | 32 x 10³lbf.ft | 171.1 x 10³lbf | 62.9 x 10³lbf | 42.7 x 10³lbf | 33.3 x 10³lbf | ||||
WEA14 | 10.8kNm | 71.2kNm | 48kNm | 960kN | 360kN | 230kN | 200kN | 62:1 | ≤0.15° | 53kg |
7970lbf.ft | 52.6 x 10³lbf.ft | 35 x 10³lbf.ft | 215.8 x 10³lbf | 80.9 x 10³lbf | 51.7 x 10³lbf | 44.9 x 10³lbf | ||||
WEA17 | 12.96kNm | 142.4kNm | 72.3kNm | 1166kN | 435kN | 280kN | 231kN | 104:1 | ≤0.1° | 96kg |
9564lbf.ft | 105 x 10³lbf.ft | 53.4 x 10³lbf.ft | 262 x 10³lbf | 97.8 x 10³lbf | 62.9 x 10³lbf | 51.9 x 10³lbf | ||||
WEA19 | 18.5kNm | 196kNm | 86.7kNm | 1800kN | 675kN | 290kN | 250kN | 93:1 | ≤0.1° | 130kg |
13653lbf.ft | 144.6 x 10³lbf.ft | 64 x 10³lbf.ft | 404.6 x 10³lbf | 151.7 x 10³lbf | 65.2 x 10³lbf | 56.2 x 10³lbf | ||||
WEA21 | 28.7kNm | 203kNm | 105.8kNm | 1598kN | 640kN | 385kN | 335kN | 90:1 | ≤0.1° | 172kg |
21180lbf.ft | 150 x 10³lbf.ft | 78.1 x 10³lbf.ft | 359 x 10³lbf | 144 x 10³lbf | 87 x 10³lbf | 75 x 10³lbf | ||||
WEA25 | 34.2kNm | 310kNm | 158.3kNm | 2360kN | 945kN | 590kN | 470kN | 93:1 | ≤0.1° | 130kg |
25240lbf.ft | 229 x 10³lbf.ft | 117 x 10³lbf.ft | 531 x 10³lbf | 212 x 10³lbf | 133 x 10³lbf | 106 x 10³lbf |