Terex
Tube spacer for Terex HC275
This tube spacer maintains precise separation between components within the boom tip sheave assembly of the Terex HC275 crane. It ensures correct alignment of the sheaves to support smooth operation of the hoist cable.
Parts diagram
Compatible models
Specifications
- Part number
- 421157
- Brand
- Terex
The tube spacer, part number 421157, is a component designed for the boom tip sheave assembly on the Terex HC275 crane. Its primary function is to maintain a specific distance between tubular components or between the sheaves and the surrounding structure at the boom tip. By keeping these elements separated, the spacer ensures the proper alignment of the sheaves and provides the necessary clearance for the hoist cable to move without making contact with adjacent parts or experiencing unnecessary friction.
This component is compatible with the Terex HC275 crane model. It is designed to fit within the boom tip assembly to hold the sheave shafts and structural elements in their intended positions. Maintaining this precise spacing is necessary for the mechanical integrity of the hoisting system during operation.
In crane boom assemblies, spacers are used to manage the lateral positioning of sheaves and pulleys. By preventing components from shifting along their shafts, they help maintain the correct path for wire ropes and prevent uneven loading on the sheave bearings. Proper spacing is a standard requirement for ensuring that the hoisting system operates within its design parameters.

