Head As. 5J1305/6J7513/6J0511/9J9864

Head As. 5J1305/6J7513/6J0511/9J9864

Wheel Loader    Caterpillar    623, 950

Tilt Cylinder    Bore    139,70    Stroke    444,50    Hydraulic Cylinder

5J-1305/6J-7513/6J-0511/9J-9864

Compatible Brand: Caterpillar

Part Number: 9J-9864 (9J9864)

Superseded / Interchange Numbers: 5J-1305 (5J1305), 6J-7513 (6J7513), 6J-0511 (6J0511)

Part Name: Wheel Loader / Scraper Tilt Cylinder Head Assembly / Gland

Technical Specifications: Bore: Fits 139.70 mm / Stroke: Fits 444.50 mm Cylinder / Weight: Not Specified (Heavy-Duty)

Compatible Machinery: Caterpillar Wheel Loaders and Wheel Tractor-Scrapers (623, 950 series)

What It Does:

Serves as the heavy-duty cylinder head assembly (gland) mounted at the rod end of the tilt hydraulic cylinder on Caterpillar 623 and 950 series machines. 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 side-thrust loads during heavy loading, bucket rollback, and material dumping 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.