Cylinder Group 522-3895

Cylinder Group 522-3895

Excavator    Caterpillar    330D L, 336D, 336D2, 340D2 L, 345D, 345D L, 349D, 349D L

Bucket Cylinder    Bore    160,00    Stroke    1.356,00    Hydraulic Cylinder

5223895

361 kg

Compatible Brand: Caterpillar

Part Number: 522-3895 (5223895)

Superseded / Interchange Numbers: 522-3895, 5223895

Part Name: Excavator Bucket Hydraulic Cylinder Group / Assembly

Technical Specifications: Bore: 160.00 mm / Stroke: 1,356.00 mm / Weight: ~361 kg / Hydraulic Cylinder

Compatible Machinery: Caterpillar Heavy Hydraulic Track Excavators (330D L, 336D, 336D2, 340D2 L, 345D, 345D L, 349D, 349D L series)

What It Does:

Serves as the primary bucket hydraulic cylinder actuator mounted on the stick and bucket linkage mechanism of Caterpillar 330D, 336D/D2, 340D2, 345D, and 349D series heavy hydraulic excavators. Powered by high-pressure hydraulic fluid, it extends and retracts to control bucket curl (closing) and dump (opening) motions, delivering the mechanical force required to dig, crowd, breakout, and discharge heavy materials into haul trucks or hoppers.

Importance:

Critical for defining bucket breakout force, rapid digging cycle times, and overall payload retention in demanding quarrying, mining, and heavy excavation operations. Built with a robust 361 kg heavy-walled barrel and high-strength forged rod structure, it effectively absorbs extreme dynamic shock loads, rock impacts, and severe torsional stresses transmitted through the bucket linkage, while advanced heavy-duty seals prevent fluid bypass under continuous high-pressure 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.