Cylinder Group 297-9250
Excavator Caterpillar 1290T, 1390, 2491, 2590, 325D FM, 325D FM LL, 330, 330B L, 330C, 330C FM, 330C MH, 330D FM, 330D L, 330D MH, 336D L, 336D LN, 340D L, 340D2 L, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 345C MH
Adjustment Cylinder Bore Stroke Hydraulic Cylinder
2979250
Compatible Brand: Caterpillar
Part Number: 297-9250 (2979250)
Superseded / Interchange Numbers: 297-9250, 2979250
Part Name: Excavator Track Adjustment Hydraulic Cylinder Group / Assembly
Technical Specifications: Application: Undercarriage Track Adjuster & Recoil Mechanism / Weight: Not Specified (Heavy-Duty Steel Construction) / Track Adjustment Cylinder Component
Compatible Machinery: Caterpillar Hydraulic Excavators, Forestry Machines & Material Handlers (1290T, 1390, 2491, 2590, 325D FM, 325D FM LL, 330, 330B L, 330C, 330C FM, 330C MH, 330D FM, 330D L, 330D MH, 336D L, 336D LN, 340D L, 340D2 L, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 345C MH series)
What It Does:
Serves as the track adjustment hydraulic cylinder operating inside the undercarriage frame between the front idler and the recoil spring assembly on Caterpillar 300 series excavators, forestry carriers, and material handlers. Utilizing grease/hydraulic pressure, it extends outward to position the front idler and maintain optimal track chain tension, preventing excessive slack or over-tightening during machine travel and operation.
Importance:
A critical undercarriage tensioning and load-absorbing component essential for preventing de-tracking, reducing wear on track links, rollers, and sprockets, and ensuring safe mobility across demanding terrains. Engineered with a heavy-walled barrel and robust piston design, it effectively cushions severe cyclic impact forces transmitted from the idler during travel over rocks and logs, while advanced high-pressure seals prevent grease/fluid bypass to maintain constant track tension under severe working conditions.
As Seçkin Makine, we manufacture this product as an aftermarket item fully equivalent to the original specifications in terms of raw materials, technical dimensions, and performance characteristics. This product comes with a 1-year warranty from the invoice date.