Terex
Drive pump coupler for Terex PT30
This drive pump coupler connects the engine to the hydraulic pump assembly on the Terex PT30 compact loader. It facilitates the transfer of mechanical power to the transmission and auxiliary systems.
Parts diagram
Compatible models
Specifications
- Part number
- 0304-552
- Brand
- Terex
The drive pump coupler, part number 0304-552, is a mechanical component utilized within the transmission and auxiliary pump assembly of the Terex PT30 compact loader. It serves as the interface between the engine output shaft and the hydraulic pump input shaft, enabling the transfer of mechanical power required to drive the machine's hydraulic systems.
This component is compatible with the Terex PT30 model. It functions by engaging the drive shafts to maintain power delivery to the pump, which generates the pressure necessary for operating the transmission and auxiliary implements. The coupler is designed to accommodate the specific mechanical configuration of the PT30 drive assembly.
In heavy machinery, a pump coupler acts as the primary link in the drivetrain, ensuring that engine torque is effectively converted into hydraulic flow. By maintaining a secure connection between the engine and the hydraulic pump, the coupler ensures that the machine retains full functionality for its transmission and auxiliary hydraulic circuits.

