Cat 302.5 Aftermarket Idler 140-4009

Our Products: Cat Mini Excavator > Caterpillar 302.5
SKU: 140-4009
Weight: 44 lbs
Buy aftermarket tension idlers for the Caterpillar 302.5 mini excavators online and save versus purchase from your local dealer. We stock tracks, bottom rollers, top rollers and sprockets for your 302.5. This idler is known as the original pat number 140-4009 from your dealer.
Price: $585.00
Please visit Rubbertrax.com for online checkout.
Caterpillar 140-4009
Cat 302.5 Aftermarket Idler 140-4009
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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 replacement aftermarket tension idler for the Caterpillar 302.5 mini excavator. The tension idler installs on the opposite end of the undercarriage from the sprocket and this is the part that expands out as you pump the grease in the tensioner to tighten the rubber track. Some people refer to this larger roller as the pulley. This idler is guaranteed to fit, please call us if you have any questions.

The mounting arms (yokes) are nine and three quarter inches long and three inches wide.

If your Cat 303.5 measurements match up this is the idler you need for your 303.5 as well.

The 302.5 and 303.5 also have a ten and a half inch yoke option under part number 172-2017AM. Please verify your size.

Alternate Part Number:
Caterpillar dealer part number: 140-4009, 140-4005, 140-4002
Alternate Models:
Caterpillar: 302.5, 303.5 (verify)
Alternate Part: The 302.5 and 303.5 also have a ten and a half inch yoke option under part number 172-2017AM. Please verify your size. This idler is known to fit serial numbers: 4AZ1- above.

Cat 302.5 Undercarriage



Alternate Part Numbers: 140-4005, 140-4002

This idler is known to fit serial numbers: 4AZ1- above

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