Availability: In stock
We ship all orders promptly, with standard delivery times of 1-3 days. If you receive a defective or incorrect item, you can return it within 30 days for a full refund.
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The design or colour of your part may be different to the image supplied.
Sizing of all parts is crucial to the installation and use for you machine.
If you want to make sure parts fit your specific model please get in touch via email.
Whether it's a Swing Motor, Final Drive or Radiator aftercare is critical to minimise downtime.
We ask you refer to manufacturer guides on how to care for your parts.
Keep your Caterpillar 301.4 working efficiently with a replacement final drive 381-3144. This compact excavator travel drive is responsible for converting hydraulic motor power into the torque required to move the tracks, giving the machine the traction and control needed for everyday excavation work.
Part 381-3144 is associated with Caterpillar 301.4 applications, while 440-0636 is also referenced with the 301.4C and related compact excavator final drive applications. Current parts listings specifically associate 381-3144 with the Caterpillar 301.4, 301.4C and 301.4D family.
A worn final drive can lead to reduced travel power, unusual operating noise, oil leakage, slow track movement or difficulty travelling under load. Replacing a damaged or heavily worn unit can help return the excavator to dependable working condition and reduce downtime.
The 381-3144 part number is documented for Caterpillar compact excavator applications including:
The additional 440-0636 reference is also associated with Caterpillar 301.4C final drive applications and appears in current parts listings for the 301.4 family.
Because Caterpillar final drive specifications can vary between machine configurations and production ranges, we recommend checking the machine serial number and existing unit part number before ordering.
When a compact excavator develops a travel problem, getting the correct final drive quickly can help minimise unnecessary downtime. Pro Construction Parts supplies replacement excavator components with technical support available to help identify the correct unit for your machine.
Our team can help confirm whether 381-3144 / 440-0636 is the correct replacement for your Caterpillar 301.4 before you order.
If you are unsure whether this final drive is correct for your machine, send us:
Machine model: Caterpillar 301.4
Machine serial number: Your serial number
Existing part number: 381-3144, 440-0636 or the number from your current unit
