Head As. 6J9739/6J3988/9T4172/9T6863

Head As. 6J9739/6J3988/9T4172/9T6863

Motor Grader    Caterpillar    140B, 14G, 16G, 621B, 623E, 627B, 627E, 785, 955K, 955L, 973, 977, D6H

Ripper Cylinder    Bore    127,00    Stroke    362,00    Hydraulic Cylinder

6J-9739/6J-3988/9T-4172/9T-6863

15 kg

Compatible Brand: Caterpillar

Part Number: 9T-6863 (9T6863)

Superseded / Interchange Numbers: 6J-3988 (6J3988), 6J-9739 (6J9739), 9T-4172 (9T4172)

Part Name: Ripper Cylinder Head Assembly / Gland

Technical Specifications: Bore: Fits 127.00 mm / Stroke: Fits 362.00 mm Cylinder / Weight: ~15 kg

Compatible Machinery: Caterpillar Motor Graders, Track Loaders, Dozers, and Heavy Equipment (140B, 14G, 16G, 621B, 623E, 627B, 627E, 785, 955K, 955L, 973, 977, D6H series)

What It Does:

Serves as the cylinder head assembly (gland) mounted at the rod end of the ripper hydraulic cylinder on Caterpillar heavy equipment. It caps and seals the cylinder barrel under high operational pressure while supporting, guiding, and aligning the reciprocating piston rod, housing the rod seals, wiper seals, and wear guides.

Importance:

Essential for ensuring precise linear rod guidance and absorbing side-thrust loads, preventing rod scoring, deflection, and uneven wear during severe ripping and soil scarifying operations. Precision-machined seal grooves hold hydraulic pressure without fluid loss, while high-efficiency wiper seals exclude dust, dirt, and external contaminants from entering the hydraulic system.

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.