Rod As. 8J5781/3G3975

Wheel Loader Caterpillar 988B, 988F, 988F II

Lift Cylinder Bore 216,00 Stroke 1.140,00 Hydraulic Cylinder

8J-5781/3G-3975

139,67 kg

Compatible Brand: Caterpillar

Part Number: 3G-3975 (3G3975)

Superseded / Interchange Numbers: 8J-5781 (8J5781)

Part Name: Wheel Loader Lift Cylinder Rod Assembly

Technical Specifications: Cylinder Bore Fitment: 216.00 mm / Stroke: 1,140.00 mm / Weight: ~139.67 kg / Hydraulic Cylinder Piston Rod

Compatible Machinery: Caterpillar Heavy Quarry & Mining Wheel Loaders (988B, 988F, 988F II series)

What It Does:

Serves as the heavy-duty piston rod assembly operating inside the main lift hydraulic cylinders on Caterpillar 988B, 988F, and 988F II series large wheel loaders. It directly translates high-pressure hydraulic fluid forces into powerful linear mechanical thrust and pull forces, extending and retracting to raise, hold, and lower the heavy loader boom and massive bucket assembly during bulk loading operations.

Importance:

A critical kinematic load-bearing component that endures massive bending stresses, cyclic tension, and dynamic shock loads during heavy quarrying, mining, and bulk material handling. Manufactured from 139.67 kg high-tensile forged alloy steel with precision induction hardening, hard chrome plating, and micro-finish surface grinding, it effectively resists severe bending moments, surface scoring, and abrasive wear from extreme job site conditions, while ensuring tight seal engagement to prevent hydraulic fluid leaks under continuous high-pressure operation.

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.