Rod As. 449-2187/449-2188/9T0098

Track Type Tractor Caterpillar D8N, D8R, D8R II, D8T, D9N, D9R, D9T

Ripper Cylinder Bore 152,40 Stroke 456,80 Hydraulic Cylinder

4492187/4492188/9T-0098

34 kg

Compatible Brand: Caterpillar

Part Number: 449-2187 (4492187)

Superseded / Interchange Numbers: 449-2188 (4492188), 9T-0098 (9T0098)

Part Name: Dozer Ripper Hydraulic Cylinder Rod Assembly

Technical Specifications: Cylinder Bore Fitment: 152.40 mm / Stroke: 456.80 mm / Weight: ~34 kg / Hydraulic Cylinder Piston Rod

Compatible Machinery: Caterpillar Heavy Mining & Earthmoving Track-Type Tractors / Dozers (D8N, D8R, D8R II, D8T, D9N, D9R, D9T series)

What It Does:

Serves as the heavy-duty piston rod assembly operating inside the rear ripper (lift/tilt) hydraulic cylinders on Caterpillar D8 and D9 series track-type tractors (dozers). It directly transmits high-pressure hydraulic fluid forces into mechanical linear thrust and pull power, extending and retracting to drive the heavy ripper shank into hard ground, adjust penetration angles, and shatter dense rock formations.

Importance:

Critical load-bearing kinematic component that endures intense mechanical thrust, severe bending moments, and shock loads during hard rock ripping, overburden fracturing, and quarrying operations. Engineered from 34 kg high-strength alloy steel with induction hardening, hard chrome plating, and precision micro-finish grinding, it resists severe bending stress, surface scoring, and abrasive wear while ensuring tight seal engagement to prevent hydraulic fluid leaks under continuous high-pressure ripping operations.

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.