Caterpillar
Charge pump for Caterpillar machinery
This charge pump maintains the necessary pressure within the hydraulic system of Caterpillar machinery. It ensures a consistent flow of oil to the main pump circuit to prevent cavitation and support system stability.
Specifications
- Part number
- M0874738
- Brand
- Caterpillar
The charge pump M0874738 serves as a hydraulic component designed to supply a constant low-pressure oil flow to the main circuit of piston or gear pumps. By maintaining this flow, the component ensures the main pump remains primed and compensates for internal system leakage. It also provides the necessary oil for lubrication and cooling while sustaining the required control pressure within the hydraulic architecture.
This part is compatible with various Caterpillar machines including excavators, loaders, cranes, and tractors. The component functions by preventing cavitation and unstable operation within the hydraulic system, which protects the main pump from premature wear. Proper operation of this pump is critical for maintaining system pressure, preventing power loss, and avoiding erratic movements or oil overheating in heavy equipment hydraulic circuits.

