-wrap-mode: nowrap; color: rgb(0, 0, 0);">Single-Side Track roller (Load-Bearing Wheel) for Bulldozers, a core component of the “four wheels and one track” undercarriage system in construction machinery.

Core Information

Function: Supports the entire weight of the bulldozer while rolling along the track guide rails, guiding the tracks to rotate correctly, reducing track wear and misalignment.

Compatible Models: Primarily fits Shantui SD22, SD23 bulldozers, also compatible with equivalent models from Komatsu, Zoomlion, and other brands.

Features: Constructed from high-strength wear-resistant steel for superior load-bearing capacity and impact resistance. Sealed design prevents mud and debris ingress, extending service life.

Part Number: 155-30-00128

In construction machinery undercarriages, the “four wheels and one track” system comprises idler wheels, guide wheels, drive wheels, track rollers, and tracks. Idler wheels bear some of the heaviest loads, and their reliability directly impacts equipment efficiency and service life

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