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

Cylinder Group 155-4539

10 August 2026

Cylinder Group 155-4539

Load Haul Dump    Caterpillar    R1300, R1300G, R1300G II

Steering Cylinder    Bore    152,40    Stroke    449,00    Hydraulic Cylinder

1554539

215 kg

Compatible Brand: Caterpillar

Part Number: 155-4539 (1554539)

Superseded / Interchange Numbers: 155-4539, 1554539

Part Name: Steering Hydraulic Cylinder Group

Technical Specifications: Bore: 152.40 mm / Stroke: 449.00 mm / Weight: ~215 kg / Hydraulic Cylinder

Compatible Machinery: Caterpillar Underground Load Haul Dump / LHD (R1300, R1300G, R1300G II series)

What It Does:

Serves as the steering hydraulic actuator mounted across the articulation joint of Caterpillar R1300, R1300G, and R1300G II underground load haul dump (LHD) loaders. Powered by high-pressure hydraulic fluid, it extends and retracts to pivot the front and rear frames relative to each other, controlling machine steering and directional maneuvering.

Importance:

Critical for maintaining precise steering responsiveness, tight maneuvering capability, and operational safety in confined underground mining galleries and harsh subterranean environments. Featuring a heavy-duty 215 kg structure with high-strength barrel and forged rod, it effectively absorbs dynamic side-thrust loads, severe torsional stress, and impact forces at the articulation point, while advanced internal seals prevent fluid bypass under continuous heavy operation.

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.