Shop HITACHI ZX120 SWING DEVICE SLEW BOX MOTOR CYLINDER BLOCK ROTOR (OEM HI 2043442) | Tonkee®

The motor cylinder block rotor is a core component within the hydraulic motor of the swing device.

Its primary function is to convert hydraulic pressure generated by the excavator's hydraulic system into rotary motion. This rotary motion is what powers the slew ring, allowing the excavator to pivot and position the arm, boom, and bucket as needed for various digging and loading tasks.

High-Quality OEM Part (HI 2043442):
The HI 2043442 is the specific OEM part designed and manufactured by Hitachi for use in the ZX120 excavator model. As an OEM part, it is engineered to meet the exact specifications and quality standards set by Hitachi, ensuring compatibility and optimal performance within the machine.

Material and Durability:
The motor cylinder block rotor is typically constructed from high-quality materials, such as hardened steel or other wear-resistant alloys. This ensures its durability and longevity even under the demanding conditions of excavation and construction work.

Precision Machining:
The manufacturing process of the motor cylinder block rotor involves precision machining to create the necessary grooves, channels, and surfaces required for hydraulic fluid flow and efficient energy conversion.

These precise components are essential for maintaining the excavator's stability and accuracy during operation.

Hydraulic Integration:
The motor cylinder block rotor is a vital part of the hydraulic motor assembly, which is a closed-loop system that uses hydraulic fluid to transmit power. It integrates seamlessly with other hydraulic components, such as pumps, valves, and hoses, to ensure smooth and controlled rotation of the excavator's upper structure.

Maintenance and Replacement:
Like all mechanical components, the motor cylinder block rotor may require maintenance or eventual replacement due to wear and tear. Regular inspection and maintenance of the swing device are essential to ensure the excavator's reliability and safety.

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