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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Sizing of all parts is crucial to the installation and use for you machine.
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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.
Restore dependable upper structure rotation on your Komatsu PC40MR excavator with a replacement Swing Drive Assembly, part number 22M-26-21001. The swing drive is responsible for transferring power through the swing system, allowing the upper structure to rotate smoothly while carrying out excavation, loading and positioning work.
When the swing machinery becomes worn or damaged, operators may experience excessive noise, rough rotation, reduced swing performance or unwanted movement during operation. Replacing the affected assembly can provide a practical solution for restoring consistent swing operation and reducing downtime. Parts references identify 22M-26-21001 as the swing machinery assembly used on the PC40MR-2, with the assembly also appearing in PC50MR-2 parts references.
Pro Construction Parts supplies replacement components for excavators and construction machinery, helping customers carry out essential repairs without unnecessary delays. The Komatsu PC40MR Swing Drive Assembly 22M-26-21001 provides a practical replacement option when the existing swing machinery has reached the end of its service life or suffered mechanical damage.
Swing assemblies can vary according to machine version, serial number and configuration. Parts references list 22M-26-21001 for the Komatsu PC40MR-2 from S/N 8001 onward, and the same number is also listed for the PC50MR-2.
Send us your machine serial number and existing swing drive part number, and our technical team can help confirm the correct replacement.
