Cylinder Group 4Z6374/157-1352

Cylinder Group 4Z6374/157-1352

Wheel Loader    Caterpillar    854G, 854K, 992K

Steering Cylinder    Bore    139,70    Stroke    1.080,00    Hydraulic Cylinder

4Z-6374/1571352

243 kg

Compatible Brand: Caterpillar

Part Number: 157-1352 (1571352)

Superseded / Interchange Numbers: 4Z-6374 (4Z6374)

Part Name: Steering Hydraulic Cylinder Group

Technical Specifications: Bore: 139.70 mm / Stroke: 1,080.00 mm / Weight: ~243 kg / Hydraulic Cylinder

Compatible Machinery: Caterpillar Heavy Wheel Loaders and Wheel Dozers (854G, 854K, 992K series)

What It Does:

Serves as the primary steering hydraulic actuator operating in a paired setup at the articulated chassis frame pivot joint on Caterpillar 854G, 854K, and 992K large mining wheel loaders and wheel dozers. Powered by high-pressure hydraulic fluid, it extends and retracts to articulate the front and rear tractor frames, controlling machine steering and directional maneuvering.

Importance:

Critical for ensuring precise, responsive steering control and operational safety on ultra-large mining class machinery. Featuring a robust 243 kg heavy-walled barrel and high-strength forged rod, it effectively absorbs severe side-thrust loads, frame articulation stress, and dynamic terrain shocks, 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.