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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 287-1973/344-5133/448-1988

07 August 2026

Cylinder Group 287-1973/344-5133/448-1988

Track Type Tractor    Caterpillar    D6T

Angling Cylinder    Bore    101,60    Stroke    551,70    Hydraulic Cylinder

2871973/3445133/4481988

45 kg

Compatible Brand: Caterpillar

Part Number: 448-1988 (4481988)

Superseded / Interchange Numbers: 287-1973 (2871973), 344-5133 (3445133)

Part Name: Blade Angling Hydraulic Cylinder Group

Technical Specifications: Bore: 101.60 mm / Stroke: 551.70 mm / Weight: ~45 kg / Hydraulic Cylinder

Compatible Machinery: Caterpillar Track-Type Tractors / Dozers (D6T series)

What It Does:

Serves as the hydraulic actuator responsible for pivoting the front dozer blade horizontally to the left or right on Caterpillar D6T track-type tractors. Powered by hydraulic fluid, it positions the blade at the desired angle to efficiently side-cast earth, gravel, and heavy materials during pushing operations.

Importance:

Essential for maximizing blade versatility and grading productivity in earthmoving, pioneering, and finish grading applications. Built from high-tensile steel to absorb severe side-load forces and operational impacts, its precision-engineered internal seals maintain firm blade hold without hydraulic drift under load.

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.