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

Rod As. 263-3389

10 August 2026

Rod As. 263-3389

Wheel Loader    Caterpillar    938H

Lift Cylinder    Bore    129,90    Stroke    693,00    Hydraulic Cylinder

2633389

36 kg

Compatible Brand: Caterpillar

Part Number: 263-3389 (2633389)

Superseded / Interchange Numbers: 263-3389, 2633389

Part Name: Loader Boom Lift Cylinder Rod Assembly

Technical Specifications: Bore: Fits 129.90 mm / Stroke: Fits 693.00 mm Cylinder / Weight: ~36 kg

Compatible Machinery: Caterpillar Wheel Loaders (938H series)

What It Does:

Serves as the precision-machined hydraulic piston rod assembly operating inside the front loader boom lift cylinder on Caterpillar 938H wheel loaders. It directly transmits the linear force generated by hydraulic fluid pressure acting on the internal piston to the loader lift arms, driving the upward elevation and lowering cycles of the boom assembly.

Importance:

Critical for enduring extreme bending forces, high mechanical tension, and heavy impulse loads during severe loader digging, carrying, and stockpiling operations. Precision-ground, induction-hardened, and hard-chrome plated from high-tensile steel, it resists scoring, corrosion, and deflection, while its mirror-smooth surface finish minimizes seal wear and prevents internal and external hydraulic fluid leaks.

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.