Head As. 519-7655

Excavator Caterpillar 320

Bucket Cylinder Bore 115,00 Stroke 1.104,00 Hydraulic Cylinder

5197655

Compatible Brand: Caterpillar

Part Number: 519-7655 (5197655)

Superseded / Interchange Numbers: 519-7655, 5197655

Part Name: Excavator Bucket Cylinder Head Assembly / Gland Assembly

Technical Specifications: Cylinder Bore Fitment: 115.00 mm / Stroke: 1,104.00 mm / Weight: Not Specified (Heavy-Duty Ductile Iron / Alloy Steel) / Hydraulic Cylinder Head / Gland Component

Compatible Machinery: Caterpillar Next Gen Hydraulic Excavators (320 series)

What It Does:

Serves as the cylinder head (gland assembly) mounted at the front end of the bucket hydraulic cylinder on Caterpillar Next Gen 320 series hydraulic excavators. It closes the front section of the cylinder barrel to contain internal hydraulic pressure while providing precision guiding and support for the reciprocating piston rod. Housing rod seals, buffer rings, wiper seals, and wear bands, it maintains high-pressure hydraulic sealing and prevents external contaminants such as dust, dirt, and water from entering the cylinder.

Importance:

A critical structural and sealing component essential for rod alignment, smooth stroke cycling, and total fluid retention during heavy excavation tasks. Precision-machined to fit a 115.00 mm bore cylinder, its high-strength construction effectively absorbs lateral side loads, dynamic shock pulses, and mechanical vibrations transmitted through the bucket linkage, protecting internal seals, reducing rod scoring, and preventing external oil leakage under demanding operating conditions.

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.