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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 204-2823/353-6907/380-7401/570-1992

07 August 2026

Cylinder Group 204-2823/353-6907/380-7401/570-1992

Excavator    Caterpillar    374D L

Boom Cylinder    Bore    190,00    Stroke    1.792,00    Hydraulic Cylinder

2042823/3536907/3807401/5701992

634 kg

Compatible Brand: Caterpillar

Part Number: 570-1992 (5701992)

Superseded / Interchange Numbers: 204-2823 (2042823), 353-6907 (3536907), 380-7401 (3807401)

Part Name: Boom Hydraulic Cylinder Group

Technical Specifications: Bore: 190.00 mm / Stroke: 1,792.00 mm / Weight: ~634 kg / Hydraulic Cylinder

Compatible Machinery: Caterpillar Large Hydraulic Excavators (374D L series)

What It Does:

Serves as the primary heavy-duty hydraulic actuator controlling the main boom lifting and lowering functions on Caterpillar 374D L large hydraulic excavators. Powered by high-pressure hydraulic fluid, it extends and retracts to lift the entire boom, stick, and bucket assembly during heavy digging and loading cycles.

Importance:

Critical for providing the main lifting capacity and structural stability in high-production mining, quarrying, and heavy earthmoving applications. Featuring a massive 634 kg heavy-walled barrel and high-strength forged rod, it is engineered to withstand extreme dynamic shock loads and severe bending forces, while advanced internal seals prevent pressure loss under continuous heavy 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.