Caterpillar 303.5 Drive Sprockets

Our Products: Cat Mini Excavator
SKU: 172-1965AM
Weight: 20 lbs
Buy replacement drive sprockets online at Rubbertrax for the Caterpillar 303.5 mini excavator. This sprocket is known as the original part number 172-1965 from your dealer.
Price: $228.00
Please visit Rubbertrax.com for online checkout.
172-1965 Caterpillar Sprockets
Caterpillar 303.5 Drive Sprockets
172-1965 Caterpillar Sprockets
Caterpillar 303.5 Drive Sprockets
172-1965 Caterpillar Sprockets
Caterpillar 303.5 Drive Sprockets
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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 aftermarket drive sprocket for your Caterpillar 303.5 mini excavator.

Sprocket specifications:

  • 21 Teeth
  • 9 Bolt Holes
  • Inside Diameter: 8 Inches
  • Outside Diameter: 13 3/4 Inches

There is also a 19 Teeth version of this sprocket available under part number 158-4795. Please verify your teeth count and outside diameter before purchasing.


Alternate Part Number:
Cat dealer part number: 172-1965
Alternate Models: Caterpillar: 303.5
Alternate Part: This sprocket is known to fit serials: AFW1- above.

Rubbertrax suggests changing sprockets and rubber tracks together as they are designed to wear together over time. The sprockets do not come with replacement bolts. You need nine bolts (12mm) to mount the sprocket.

Cat 303.5 Undercarriage


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