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Seckin Makine | Producer of Wheel Rim and Hydraulic Cylinder
Seckin Makine | Producer of Wheel Rim and Hydraulic Cylinder 50 Years

Head As. 301-6477/609-6946

11 August 2026

Head As. 301-6477/609-6946

Excavator    Caterpillar    231D, 235B, 235C, 235D, 330B L, 330C FM, 330D FM, 568 FM LL, 836, 963, 963B, 963C, 973, D5H XL, D5R LGP, D6H, D6H XL, D6H XR, D6N, D6N LGP, D6R, D6R II, D6R III, D6R STD, D6T, D6T LGP, D6T XL, D7H, D7

Lift Cylinder    Bore    165,00    Stroke    761,00    Hydraulic Cylinder

3016477/6096946

Compatible Brand: Caterpillar

Part Number: 609-6946 (6096946)

Superseded / Interchange Numbers: 301-6477 (3016477)

Part Name: Lift Cylinder Head Assembly / Gland

Technical Specifications: Bore: Fits 165.00 mm / Stroke: Fits 761.00 mm Cylinder / Weight: Not Specified (Heavy-Duty)

Compatible Machinery: Caterpillar Dozers, Track Loaders, Excavators, and Forestry Machines (231D, 235B/C/D, 330B L, 330C/D FM, 568 FM LL, 836, 963/B/C, 973, D5H/R, D6H/N/R/T, D7H, D7 series)

What It Does:

Serves as the heavy-duty cylinder head assembly (gland) mounted at the rod end of the lift hydraulic cylinder on Caterpillar dozers, track loaders, excavators, and forestry equipment. It caps and seals the cylinder barrel under high hydraulic operating pressure while supporting, guiding, and aligning the reciprocating piston rod, housing the high-pressure rod seals, wiper seals, and wear guides.

Importance:

Critical for enduring high dynamic hydraulic pressure and severe vertical shock loads during heavy dozing, lifting, and land-clearing operations. Precision-machined seal grooves maintain high hydraulic pressure without fluid bypass, while absorbing heavy side loads to prevent rod scoring and axial deflection. High-efficiency wiper seals prevent harsh abrasive dust, mud, and external contaminants from entering the internal cylinder cavity.

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.