Grove
Planet gear and piston for Grove TM890
This planet gear and piston assembly is designed for the transmission system of the Grove TM890 truck crane. It facilitates power transmission and control within the gear train and hydraulic clutch mechanisms.
Compatible models
Specifications
- Part number
- 6-940-000040
- Brand
- Grove
The planet gear and piston assembly, part number 6-940-000040, functions as a critical component within the power transmission systems of heavy machinery. The planet gear operates as part of a gear train designed for speed reduction and torque multiplication in compact spaces, while the piston typically serves as an actuator within a hydraulic clutch or brake system that regulates the movement of the planetary elements. These components work in tandem to ensure controlled power delivery during crane operations.
This assembly is compatible with the Grove TM890 truck crane. It is utilized in systems where high power and precise control are required, such as in the mechanisms for slewing, hoisting, and propulsion. Proper integration of these parts is necessary to maintain the operational integrity of the transmission system.
In planetary gear sets, the arrangement of gears allows for the distribution of loads across multiple teeth, which is essential for managing the torque demands of heavy lifting equipment. The piston component provides the necessary hydraulic force to engage or disengage specific transmission functions, allowing for smooth transitions between operational states within the crane drive train.

