Shop HITACHI EX120-5 TRAVEL DEVICE FINAL DRIVE MOTOR BRAKE SEAL O-RING (OEM HI 4311391) | Tonkee®

The O-ring seal, HI 4311391, is a small but vital component within the travel device final drive motor brake assembly.

Its primary function is to create a secure and reliable seal within the brake housing, preventing hydraulic fluid leaks and ensuring the proper operation of the brake system. The dimensions and specifications of this O-ring are carefully engineered to fit precisely within the brake assembly, providing an airtight and watertight seal.

The travel device final drive motor brake is an essential component that controls the excavator's movement. It works by engaging and disengaging to control the rotation of the final drive motor, which in turn controls the movement of the machine's tracks. The O-ring seal plays a critical role in maintaining the brake's hydraulic integrity, as any fluid leakage can lead to a loss of braking performance, decreased control over the excavator's movement, and potential safety hazards on the job site.

The dimensions of the HI 4311391 O-ring are specific to the brake assembly, ensuring a proper fit and a reliable seal. This seal must withstand the hydraulic pressures and environmental conditions it encounters during excavator operation. It is designed to provide longevity and durability in demanding construction environments, contributing to the overall reliability and safety of the machine.

Using genuine OEM parts like the HI 4311391 O-ring is highly recommended when replacing or servicing components in the travel device final drive motor brake assembly.

OEM parts are manufactured to meet the manufacturer's strict quality standards and specifications, ensuring compatibility, performance, and reliability. This reduces the risk of compatibility issues that may arise when using aftermarket alternatives and helps maintain the excavator's overall functionality.

Regular maintenance and inspections of the travel device final drive motor brake, including the O-ring seal, are essential to prevent unexpected downtime and costly repairs. Timely replacement of worn or damaged seals ensures the brake system's continued efficiency and safety on construction sites. Additionally, proper maintenance contributes to the longevity of the excavator and its ability to perform optimally in various working conditions.

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