Terex
Case drain hose assembly for Terex BT4792
This case drain hose assembly manages hydraulic fluid return from the winch motor on the Terex BT4792 crane. It is identified by part number 502-21002.
Parts diagram
Compatible models
Specifications
- Part number
- 502-21002
- Brand
- Terex
The case drain hose assembly facilitates the return of hydraulic fluid from the winch motor back to the reservoir. By providing a clear path for fluid that leaks past internal motor seals, this component prevents the buildup of pressure within the motor housing. Maintaining this return path protects internal seals and motor components from damage caused by excessive pressure during crane operation.
This assembly is designed for use on the Terex BT4792 crane. The component is manufactured by Terex. It serves as a specific connection for the case drain line, ensuring that the hydraulic circuit for the winch motor functions within its intended pressure parameters.
In hydraulic systems, case drain lines are necessary for motors and pumps that experience internal leakage. These lines direct fluid away from the motor casing to prevent seal failure and housing rupture. Proper routing and integrity of these hoses are required to maintain the overall health of the hydraulic system and ensure the winch motor operates without internal overpressure.

