Cylinder Group 9T8912

Articulated/Off Highway Caterpillar 793, 793B, 793C, 793D, 793F, 793F AC, 793F OEM, 793F-XQ

Steering Cylinder Bore 140,00 Stroke 775,00 Hydraulic Cylinder

9T-8912

145 kg

Compatible Brand: Caterpillar

Part Number: 9T-8912 (9T8912)

Superseded / Interchange Numbers: 9T-8912, 9T8912

Part Name: Off-Highway Truck Steering Hydraulic Cylinder Group / Assembly

Technical Specifications: Bore: 140.00 mm / Stroke: 775.00 mm / Weight: ~145 kg / Hydraulic Cylinder

Compatible Machinery: Caterpillar Mining Ultra-Class Off-Highway Rigid Haul Trucks (793, 793B, 793C, 793D, 793F, 793F AC, 793F OEM, 793F-XQ series)

What It Does:

Serves as the primary steering hydraulic actuator controlling front wheel direction and maneuverability on Caterpillar 793 series ultra-class mining haul trucks. Powered by high-pressure hydraulic fluid supplied through the steering metering unit and pump, it extends and retracts to pivot the front wheel spindles, providing precise directional control under massive Gross Machine Weight (GMW) conditions.

Importance:

Essential safety-critical component defining steering responsiveness, vehicle stability, and maneuverability across harsh mine haul road conditions. Built with a robust 145 kg heavy-walled barrel and high-strength forged rod structure, it effectively absorbs extreme lateral ground shock loads, severe vibrations, and dynamic impacts, while advanced high-pressure seals prevent internal fluid bypass to maintain dependable steering control.

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.