Grove
O-ring for Grove TM890
This O-ring is a sealing component used in the hydraulic systems of Grove TM890 cranes. It creates a tight seal between machine parts to prevent fluid leaks and maintain system pressure.
Compatible models
Specifications
- Part number
- 7-755-256000
- Brand
- Grove
The 7-755-256000 O-ring serves as a critical sealing element within the hydraulic and pneumatic systems of heavy machinery. By creating a seal between two mating surfaces, this component prevents the leakage of hydraulic oil or air and blocks external contaminants such as dust and moisture from entering the system. This ensures that internal pressure remains consistent, which is necessary for the proper operation of hydraulic cylinders, valves, and various other integrated units throughout the crane assembly.
This component is designed for use in Grove TM890 cranes. It is installed at various points within the hydraulic circuit, including hose connections and internal cylinder assemblies, to maintain the integrity of the fluid path. Proper installation of this seal supports the overall functionality of the hydraulic architecture in this specific crane model.
In hydraulic systems, O-rings function by deforming under compression to fill the gap between components, forming a hermetic seal. This design allows the seal to adapt to the operational environment, effectively containing pressurized fluids and preventing performance loss due to pressure drops or external contamination.

