Caterpillar 306 Bottom Roller Assembly

Aftermarket OEM Replacement – Part #158-4765 / 340-8957

Keep your Caterpillar 306 operating smoothly with this aftermarket bottom roller assembly from United Skid Tracks. Bottom rollers are a critical undercarriage component, supporting the weight of the machine during travel and digging while guiding the track for consistent performance.

This bottom roller is designed as a direct aftermarket replacement for original part numbers 158-4765 and 340-8957, providing proper fit and reliable undercarriage operation.

Rollers are sold individually. For best results, United Skid Tracks recommends inspecting all rollers and replacing worn components together to help extend track and undercarriage service life.

Please Note: This bottom roller does not include the 10mm mounting bolt required for installation. Reuse your original hardware when installing the roller.

United Skid Tracks carries a full range of undercarriage parts, including bottom rollers, rubber tracks, and sprockets, to keep your Caterpillar 306 productive on the jobsite.