MTU
Poly-V belt for MTU 12V4000G83
This Poly-V belt is designed for the MTU 12V4000G83 engine used in 1500kW generator sets. It features a length of 112 inches and 20 grooves to ensure proper power transmission to engine accessories.
Compatible models
Specifications
- Part number
- 20500221
- Brand
- MTU
The Poly-V belt, part number 20500221, is a multi-ribbed drive belt engineered for the MTU 12V4000G83 engine. It serves to transfer rotational power from the engine crankshaft to various auxiliary components, such as water pumps, alternators, and cooling fans, which are necessary for the operational integrity of the 1500kW generator set. The belt is specified with a length of 112 inches and a 20-groove profile to match the drive system architecture of this specific engine model.
This component is compatible with the MTU 12V4000G83 engine and the associated 1500kW generator set configurations. The Poly-V design utilizes a multi-channel contact surface that engages with the corresponding pulley grooves to facilitate efficient power transfer and load distribution across the drive system. By maintaining correct tension and alignment, this belt supports the continuous operation of engine-driven accessories. In internal combustion engines, these belts are used to drive external mechanical systems, ensuring that cooling and electrical charging cycles remain synchronized with the engine speed. Proper installation and periodic inspection of the belt surface and tension are required to maintain system functionality and prevent slippage during operation.

