Cylinder Group 114-0636/179-0782/225-4572/295-9400/295-9398/289-7983/341-2172

Excavator Caterpillar 329D, 329D L

Boom Cylinder Bore 140,00 Stroke 1.407,00 Hydraulic Cylinder

1140636/1790782/2254572/2959400/2959398/2897983/3412172

209 kg

Compatible Brand: Caterpillar

Part Number: 341-2172 (3412172)

Superseded / Interchange Numbers: 114-0636 (1140636), 179-0782 (1790782), 225-4572 (2254572), 289-7983 (2897983), 295-9398 (2959398), 295-9400 (2959400)

Part Name: Excavator Boom Hydraulic Cylinder Group / Assembly

Technical Specifications: Bore: 140.00 mm / Stroke: 1,407.00 mm / Weight: ~209 kg / Hydraulic Cylinder

Compatible Machinery: Caterpillar Hydraulic Excavators (329D, 329D L series)

What It Does:

Serves as the main boom hydraulic actuator responsible for raising and lowering the main boom assembly on Caterpillar 329D and 329D L series hydraulic excavators. Powered by high-pressure hydraulic fluid, it extends and retracts to lift the combined weight of the boom, arm, and loaded bucket during excavation and loading cycles.

Importance:

Essential for defining total lifting capacity, max dumping height, and operational stability during heavy excavation, trenching, and material handling tasks. Built with a robust 209 kg heavy-walled barrel and high-strength forged rod structure, it effectively absorbs dynamic shock loads, severe vertical bending stress, and heavy impacts, while advanced internal 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.