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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 490-4180

12 August 2026

Cylinder Group 490-4180

 Excavator    Caterpillar    320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L

Bucket Cylinder    Bore    120,00    Stroke    1.104,00    Hydraulic Cylinder

4904180

167 kg

Compatible Brand: Caterpillar

Part Number: 490-4180 (4904180)

Superseded / Interchange Numbers: 490-4180, 4904180

Part Name: Excavator Bucket Hydraulic Cylinder Group / Assembly

Technical Specifications: Bore: 120.00 mm / Stroke: 1,104.00 mm / Weight: ~167 kg / Hydraulic Cylinder

Compatible Machinery: Caterpillar Hydraulic Excavators (320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L series)

What It Does:

Serves as the complete bucket hydraulic cylinder actuator controlling bucket curl and dump functions on Caterpillar 320D and 323D series hydraulic excavators. Powered by high-pressure hydraulic fluid, it extends and retracts to drive bucket digging, material retention, and dumping cycles.

Importance:

Essential for generating optimal bucket breakout force and maintaining high operational cycle speed during earthmoving, trenching, and heavy excavation work. Featuring a robust 167 kg heavy-walled barrel and high-strength forged rod assembly, it effectively absorbs dynamic shock loads, rock impacts, and severe torsional stress, 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.