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

Rod As. 603-6400

11 August 2026

Rod As. 603-6400

Excavator    Caterpillar    345 GC

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

6036400

Compatible Brand: Caterpillar

Part Number: 603-6400 (6036400)

Superseded / Interchange Numbers: 603-6400, 6036400

Part Name: Excavator Bucket Cylinder Rod Assembly / Piston Rod

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

Compatible Machinery: Caterpillar Hydraulic Excavators (345 GC series)

What It Does:

Serves as the high-strength chrome-plated piston rod assembly reciprocating inside the bucket hydraulic cylinder on Caterpillar 345 GC series heavy hydraulic excavators. Anchored to the internal piston on one end and pinned to the bucket linkage on the other, it transmits hydraulic linear force directly to actuate bucket curling and dumping cycles.

Importance:

Critical for transferring primary breakout and digging forces directly to the excavator bucket mechanism under demanding site conditions. Manufactured from an induction-hardened, hard-chrome plated high-tensile steel alloy, it effectively resists severe bending stress, rock impacts, and axial deflection during heavy trenching, mining, and quarrying, while its micro-smooth surface finish prevents gland seal wear and hydraulic fluid bypass.

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.