OEM HITACHI EX120-1-2-5 ZAXIS ZX120-1-2-3 SERIES FINAL DRIVE SPROCKET 21T | Tonkee®

The final drive sprocket for the Hitachi EX120-1-2-5 and ZAXIS ZX120-1-2-3 Series excavators is designed with precision and durability in mind.

It is typically constructed from high-quality materials, such as hardened steel, to withstand the harsh working conditions these machines are often subjected to. The sprocket is heat-treated and machined to precise specifications to ensure a perfect fit with the machine's track system.

Teeth Configuration:
This sprocket is equipped with 21 teeth, which are strategically spaced to engage with the links of the excavator's tracks. The number of teeth on the sprocket is important because it determines the speed and power distribution to the tracks. In this case, 21 teeth are designed to provide an optimal balance between speed and torque, allowing the excavator to perform efficiently in various applications, from digging to lifting heavy loads.

Functionality:
The final drive sprocket's primary function is to engage with the tracks' links, which are fitted with corresponding drive lugs.

As the sprocket rotates, it engages with these drive lugs, causing the tracks to move. This motion propels the excavator forward or backward, depending on the direction of rotation. The 21 teeth on the sprocket ensure a consistent and smooth transfer of power, minimizing wear and tear on the tracks and other undercarriage components.

Compatibility:
The Hitachi EX120-1-2-5 and ZAXIS ZX120-1-2-3 Series final drive sprocket is specifically designed to fit these excavator models. It is essential to ensure that replacement sprockets are compatible with the machine's specifications to maintain optimal performance and safety.

Maintenance and Replacement:
Like all undercarriage components, the final drive sprocket requires regular inspection and maintenance. Over time, sprocket teeth may become worn or damaged due to the abrasive nature of the terrain and the heavy loads these excavators handle. When teeth are significantly worn or damaged, replacement is necessary to prevent further damage to the tracks and ensure the excavator's efficiency and safety.

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