CAT 285-0273 PULLEY ASSEMBLY
The CAT 285-0273 Pulley Assembly is a genuine Caterpillar idler pulley used in belt-drive mounting assemblies for the refrigerant compressor and belt tensioning systems. Cat identifies this part as a 59.2 mm width idler pulley designed to guide belts, maintain tension, and support smooth power transmission in compatible heavy equipment applications.
Specifications
- Manufacturer: Caterpillar
- Part Number: 285-0273
- Product Type: Idler pulley / pulley assembly
- Pulley Width: 59.2 mm
- System: Engine belt drive / refrigerant compressor mounting assembly
- Function: Guides belt, maintains belt tension, and supports power transmission
- OEM Component: Genuine Caterpillar part
- Fitment Verification: Machine serial number confirmation required
Key Features
- Genuine Cat idler pulley designed for belt-drive applications
- Supports refrigerant compressor and tensioner mounting assemblies
- Helps maintain proper belt alignment and tension
- Factory-fit Caterpillar component for compatible equipment
Typical Applications
- Refrigerant compressor drive service
- Engine belt system maintenance
- Heavy equipment pulley replacement
- Fleet repair and preventive maintenance
Cross References
- No official public cross references were verified beyond CAT 285-0273.
Machine Compatibility
- Compatibility must be confirmed using Caterpillar serial number and parts documentation.
Engine Platforms
- Not publicly verified as engine-platform specific; this is a belt-drive pulley component.
The CAT 285-0273 Pulley Assembly should be matched to the correct Caterpillar belt-drive arrangement before installation to ensure proper belt alignment and system reliability.
Search Keywords
CAT 285-0273 pulley assembly, Caterpillar 2850273 idler pulley, Cat 59.2mm pulley, Caterpillar belt tension pulley.
CAT refrigerant compressor pulley, Caterpillar engine belt pulley, heavy equipment pulley assembly, OEM Cat idler pulley.