OEM HITACHI EX100 120-1 TRAVEL DEVICE PROPELLER SHAFT FINAL DRIVE PUMP TO HUB 27T | Tonkee®

The travel device in the Hitachi EX100-1 and EX120-1 plays a vital role in the machine's mobility and maneuverability.

It is responsible for transmitting power from the engine to the tracks, allowing the excavator to move forward and backward, as well as make turns. Within the travel device, the propeller shaft, final drive, and pump to hub assembly are integral parts that work together to ensure smooth and controlled movement.

Propeller Shaft: The propeller shaft, also known as a drive shaft, is a critical component of the travel device. It serves as a linkage between the transmission and the final drive. Its primary purpose is to transfer power from the engine and transmission to the final drive, which in turn drives the tracks. The propeller shaft is designed to withstand heavy loads and torque, ensuring the excavator can operate effectively in various terrains.

Final Drive: The final drive is another essential part of the travel device.

It is responsible for taking the power supplied by the propeller shaft and converting it into the rotational force required to drive the excavator's tracks. The final drive contains a system of gears and bearings that allow for torque multiplication, which is crucial for the machine's ability to move heavy loads and dig efficiently. The final drive's durability and reliability are essential to the excavator's overall performance.

Pump to Hub Assembly: The pump to hub assembly refers to the hydraulic system that controls the movement of the tracks. In hydraulic excavators like the Hitachi EX100-1 and EX120-1, this assembly includes hydraulic pumps, motors, and a network of hoses and pipes. The hydraulic pump generates the necessary hydraulic pressure, which is then transmitted to the hydraulic motors at the tracks' hubs. This pressure powers the motors, causing them to rotate and drive the tracks. The pump to hub assembly allows for precise and responsive control of the excavator's movement.

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