Grove
Pump coupling hub for Grove 2035
This pump coupling hub connects the engine output shaft to the hydraulic pump input shaft on the Grove 2035 crane. It facilitates the transfer of rotational torque between the power unit and the hydraulic system.
Compatible models
Specifications
- Part number
- 1103411
- Brand
- Grove
The pump coupling hub, part number 1103411, serves as the mechanical link between the engine and the hydraulic pump assembly. By connecting the engine output shaft to the pump input shaft, this component ensures the transfer of torque necessary to drive the hydraulic system, which powers the lifting, slewing, and boom extension functions of the machine. It is designed to maintain a secure connection between these two critical power components.
This specific hub is compatible with the Grove 2035 crane. It is engineered to fit the drive train configuration of this model, ensuring alignment between the motor and the pump. Proper installation of this component is necessary for the hydraulic system to receive consistent power from the engine during crane operation.
In heavy machinery, a pump coupling hub generally functions to transmit rotational force while accommodating minor misalignments between connected shafts. These hubs often work in conjunction with flexible elements to dampen torsional vibrations and protect the pump and engine shafts from mechanical stress. Regular inspection of the coupling hub is necessary to identify signs of wear or damage that could affect the transmission of power to the hydraulic pump.

