Komatsu PC27MR-1 PC30MR-1 Drive Sprocket

Our Products: Volvo > Volvo Mini Excavators > Volvo ECR 88
SKU: 21U-27-31110
Weight: 24 lbs
Buy aftermarket Komatsu PC27MR-1 PC30MR-1 sprockets online and save a trip to the local dealer. We can ship these sprockets direct to your door. SPECIAL ORDER
Price: $270.00
Please visit Rubbertrax.com for online checkout.
21U-27-31110
Komatsu PC27MR-1 PC30MR-1 Drive Sprocket
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New undercarriage parts and rubber tracks are sold individually but we suggest replacing all of your worn parts at the same time.

This is the premium aftermarket drive sprocket for the following Komatsu mini excavator models:

  • PC27MR-1
  • PC28UU-3
  • PC30MR-1
  • PC30MRX-1
  • PC30UU-3

21U-27-31110 Sprocket Specs:


  • 23 Teeth
  • 9 Bolt Holes
  • Inside Diameter: 7 3/8 Inches
  • Outside Diameter: 15 Inches

We always recommend changing your tracks and sprockets together to increase the lifespan of your undercarriage and so that your parts will wear evenly. Save 5% today by purchasing tracks with your sprockets.

Sprockets transfer power to the link assemblies and engage the track links to create motion.
Alternate Part Number:
Komatsu dealer part number: 21U-27-31110
Alternate Models:
Komatsu: PC 27 MR-2, PC 28 UU-3, PC 30 MR-1, PC 30 MRX-1, PC 30 UU-3
Alternate Part: There are no known alternate part listings. This sprocket is guaranteed to fit.

This sprocket is a special order item. Please call to verify availability before purchasing!

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