Head As. 603-6402

Head As. 603-6402

Excavator    Caterpillar    345 GC

Bucket Cylinder    Bore    160,00    Stroke    1.396,00    Hydraulic Cylinder

6036402

Compatible Brand: Caterpillar

Part Number: 603-6402 (6036402)

Superseded / Interchange Numbers: 603-6402, 6036402

Part Name: Excavator Bucket Cylinder Head Assembly / Gland

Technical Specifications: Bore: Fits 160.00 mm / Stroke: Fits 1,396.00 mm Cylinder / Weight: Not Specified (Heavy-Duty)

Compatible Machinery: Caterpillar Hydraulic Excavators (345 GC series)

What It Does:

Serves as the heavy-duty cylinder head assembly (gland) mounted at the rod end of the bucket hydraulic cylinder on Caterpillar 345 GC series heavy hydraulic excavators. 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 extreme dynamic hydraulic pressure and severe shock loads during heavy excavation, rock ripping, and quarrying operations. Precision-machined seal grooves maintain high hydraulic pressure without fluid bypass, while absorbing heavy side-thrust 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.