Description: The Caterpillar Spring 102-8139 (1028139) is a crucial component in the track tensioning system and mechanical return systems of various Caterpillar excavator models. It features large return springs and a grease-filled adjusting cylinder, allowing the idler wheel to move back and forth to maintain optimal track tension and absorb shock loads experienced by the undercarriage.

Compatible Models: The 102-8139 spring is compatible with the following Caterpillar excavator models: 311-A, 311B, 312-A, 312B, 315-A, 315-A L, 315B, 315B L, 317 N, 317-A, and 317-A N.

Solutions for Equipment Manufacturers: Our high-quality OEM replacement part, Caterpillar 102-8139, provides a reliable solution for equipment manufacturers in need of a durable and efficient spring for Caterpillar excavators.

Specifications: Weight: 91 lbs