HARNESS AS 5533431 - Caterpillar

2-1 Structural Diagram
2-2 Function
The torque output by the hydraulic motor is transmitted to drive gear S1, through planetary gear P1 and ring gear R, and then is multiplied (S1 + R)/S1 times by sun gear S2. Similarly, in the second stage it is multiplied (S + R)/S2 times, then is transmitted to the pinion.Finally, a torque multiplied (S1 + R) (S2 + R)/S1S2 time is output from the output pinion. As the output pinion rotates and meshes with the swing bearing that is fixed to the vehicle body, the reducer attached to the swing frame revolves, causing the bucket attached to the swing frame to be moved in a circular path.