Terex
Alternator pulley for Terex TX760B
This 2-groove alternator pulley is designed for the Terex TX760B backhoe loader engine accessory system. It facilitates the transfer of rotational power from the engine to the alternator using drive belts.
Parts diagram
Compatible models
Specifications
- Part number
- 3115A121
- Brand
- Terex
The alternator pulley, part number 3115A121, serves as a mechanical interface within the engine accessory drive system. It is engineered as a two-groove component that mounts to the alternator shaft to receive rotational force from the engine crankshaft via drive belts. By maintaining the correct belt tension and alignment, this pulley ensures the alternator rotates at the necessary speed to generate electrical current for the machine electrical system and battery charging requirements. It is located within the engine alternator and mounting assembly.
This component is compatible with the Terex TX760B backhoe loader. The two-groove configuration is designed to accommodate specific belt profiles to prevent slippage and ensure consistent power transmission under operational conditions. Proper installation and alignment of this pulley are necessary to maintain the integrity of the alternator bearings and the service life of the drive belts.
An alternator pulley functions by converting the mechanical energy of the rotating engine into the rotational speed required by the alternator to produce electricity. In heavy machinery, these pulleys are precision-machined to match the shaft diameter and belt specifications of the engine accessory drive, ensuring that the charging system remains operational during the machine duty cycle.