Shop HITACHI EX400-3-5 TRAVEL DEVICE FINAL DRIVE MOTOR OIL SEAL 150 X 120 X 14 MM (OEM HI 4310700) | Tonkee®

The travel device final drive motor is a key component in the operation of an excavator, responsible for propelling the machine by generating the necessary torque to move its tracks or wheels.

The final drive motor operates in a harsh environment, exposed to dust, dirt, and extreme temperatures, which makes proper sealing crucial. This is where the oil seal comes into play.

Measuring 150 x 120 x 14 millimeters, this oil seal is appropriately sized to fit and seal the final drive motor effectively. The dimensions ensure a snug fit and optimal sealing performance. It's worth noting that the OEM (Original Equipment Manufacturer) designation means that this oil seal is manufactured by Hitachi themselves or a trusted supplier, ensuring high-quality and compatibility with the Hitachi EX400-3-5 excavator.

Oil seals, also known as shaft seals or lip seals, are designed to prevent the ingress of contaminants, such as dirt, water, and debris, into critical components like the final drive motor. They also prevent the escape of lubricating oil from the motor, which is essential for its proper functioning.

The 150 x 120 x 14 mm size of this oil seal is a key specification.

The 150 mm outer diameter ensures a secure fit within the excavator's final drive motor housing, preventing oil leakage and maintaining lubrication. The 120 mm inner diameter fits snugly around the motor's shaft, forming a barrier against contaminants. The 14 mm thickness provides the necessary sealing integrity to protect the final drive motor.

Oil seals like this one are typically made from high-quality materials, such as rubber or synthetic elastomers, with a lip that contacts the motor shaft. This lip creates a dynamic seal, maintaining a barrier even as the shaft rotates. The seal is usually reinforced with metal or other materials to ensure durability and resistance to wear and tear.

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