Terex
Retract pin for Terex BT4792
This retract pin secures and guides the third section sheave within the boom assembly of the Terex BT4792. It is identified by part number 870-30210.
Parts diagram
Compatible models
Specifications
- Part number
- 870-30210
- Brand
- Terex
The retract pin is a component used in the boom extension and retraction system of the Terex BT4792 crane. It is specifically designed to mount and secure the third section sheave, which guides the steel cable responsible for the telescopic movement of the boom sections. By maintaining the correct positioning of the sheave, the pin ensures that the cable operates smoothly during extension and retraction cycles.
This component is compatible with the Terex BT4792 crane model. It is engineered to meet the specific dimensional requirements of the boom assembly to ensure a precise fit and proper mechanical alignment. The pin facilitates the controlled movement of the cable system, which is necessary for the operation of the telescopic boom.
In heavy machinery, pins of this type act as pivot points or mounting shafts for pulleys and sheaves. They must maintain structural integrity under the loads transferred through the cable system to ensure the boom sections move as intended by the operator.

