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Our Products: Caterpillar

Caterpillar 301.4C 301.7D Bottom Roller

Cat Bottom Roller 301.4C 381-3040
Caterpillar 301.4C 301.7D Bottom Roller
Buy aftermarket bottom rollers for your Caterpillar 301.4C online at Rubbertrax to save time and money. This roller is known as original part number 381-3040 from the dealer. Save online and skip the trip to the dealer. This 381-3040 roller ships for free when you checkout online. Our parts are stored at many warehouse locations across the USA for fast delivery.
SKU: 381-3040
Weight: 12 lbs
Make: Cat
Shipping: Fast and Free!
Price: $235.00

Rubber tracks and wear parts are sold individually unless specified in the details. We offer free shipping across the USA when you order online and ship to a commercial address. *Some restrictions apply.

381-3040 Roller Assembly

This is the premium aftermarket bottom roller for the following Caterpillar® mini excavator models:

  • Cat® 301.4C (S/N LJK, LJ3)
  • Cat® 301.7D (S/N LJH, LJ4)
  • Cat® 301.7DCR (S/N LJ8, LJD)
  • Cat® 302.2D (S/N LJG, LJ5)

Bottom track rollers carry the weight of the machine while it is traveling and digging. They support and guide the track which is why it is important to properly maintain your undercarriage.

OEM Part Numbers

  • Caterpillar® Dealer Part Number: 381-3040

Additional Models

This bottom roller ( 381-3040) is guaranteed to fit:

  • Cat® 301.4C
  • Cat® 301.7D
  • Cat® 301.7DCR
  • Cat® 302.2D

Bottom Roller Options

There are no known alternate part listings. This 381-3040 track roller is guaranteed to fit.

These Caterpillar® track rollers are center flange rollers with a flange diameter of 4.57 inches and they do not come with the bolts required for installation so keep your original bolts when you remove the worn out rollers. We offer same day shipping at no extra charge.


Cat 301.4C 301.7D Undercarriage