Konecranes
Sealing for Konecranes RST-03 SMV 4531
This seal is designed for the Konecranes RST-03 SMV 4531 reach stacker. It serves as a barrier to maintain system integrity and prevent fluid leakage.
Compatible models
Specifications
- Part number
- 4207421
- Brand
- Konecranes
The seal 4207421 functions as a barrier between two surfaces to prevent the leakage of hydraulic oils, lubricants, or other fluids within the machine. By creating an airtight and fluid-tight interface, this component protects sensitive internal systems from the ingress of external contaminants such as dust, dirt, and moisture, which are common in port and intermodal terminal environments.
This part is specifically compatible with the Konecranes RST-03 SMV 4531 reach stacker. It is used within the hydraulic systems of the machine, including circuits for lifting, steering, or boom extension, where maintaining internal pressure is necessary for consistent operation. The component ensures that hydraulic fluid remains contained within the system, supporting the overall efficiency of the reach stacker during container handling operations.
In heavy machinery, seals are used to maintain the separation of different media and to protect internal components from environmental exposure. Proper installation ensures the required compression between mating surfaces to maintain a seal under the dynamic loads and vibrations typical of reach stacker operation.

