Kubota U-45-3 Tracks & Parts

Keep your Kubota U-45-3 running with OEM-quality undercarriage components — sprockets, idlers and rollers built to spec. Free freight, same-day dispatch on in-stock parts.

Matched Undercarriage Components

Pair your tracks with the right undercarriage parts for the Kubota U-45-3:

The TrackTECH Difference

  • Continuous steel cord — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.
  • Premium virgin rubber — anti-chunk compound built for long service life in abrasive conditions.
  • Drop-forged steel links for strength where the track meets the drive system.
  • 24-month warranty on every track — confidence that outlasts the competition.

Ready to roll? Buy your Kubota U-45-3 undercarriage online now — or reach a track specialist at (850) 816-7898. Use the Track Finder to confirm the right build.

Free US Shipping100% Fit GuaranteePremium OEM Quality

Find Your Track Call TrackTECH
Kubota U-45-3 rubber tracks and undercarriage parts

Track sizes

Drive Sprockets

Sprockets for your Kubota U45-3

Built for Heavy Duty Use

Heavy-Duty Track Construction

Setting a new standard in heavy-duty performance. Find your exact fit, reduce avoidable downtime, and keep your machine working — not waiting.

  • Brand New

    New belts — not remills or retreads.

  • Heavy-Duty Steel Guides

    Precision-formed internal steel components support consistent sprocket engagement.

  • Continuous Steel Cord

    Continuous internal steel reinforcement supports belt strength under repeated load.

  • Premium Wear-Resistant Rubber

    Heavy-duty rubber construction built for abrasion and daily commercial use.

  • Precision Fitment

    Governed width, pitch, and link count for the machine application.

  • High-Traction, Low-Vibration

    Tread patterns matched to the jobsite.

Kubota U45-3 fitment data

Fitment & Part Numbers

Track Size400x72.5Wx74
SprocketRD411-14432
IdlerRD411-22303
RollerRD411-21700
About Kubota U-45-3 Tracks & Parts

Premium Kubota U45-3 rubber tracks engineered to the exact Kubota U45-3 spec. Heavy-duty performance grade with an advanced compound that resists stretching and premature tearing.

  • Continuous multi-strand steel cord engineered for full-load strength
  • Maximum-traction tread for grip across dirt, mud, gravel, and snow
  • Advanced compound for long tread life and Maximum Value Per Hour
  • Anti-vibration design for improved operator comfort

Matched by machine

We send photo verification with every order. Call, text, or FaceTime — whatever works for you, works for us — and we'll confirm the exact fit before it ships.

We stand behind every track with a certified 24-month warranty. Free shipping, dealer-direct pricing, first-class support. Buy Now.

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Frequently Asked Questions

Common fitment, shipping, and rubber track replacement questions

Will this track fit my Kubota U-45-3?
Yes — this track is matched to the Kubota U-45-3 by size and tread pattern.
Do you stock undercarriage parts for the Kubota U-45-3?
Yes — along with the rubber track we carry bottom rollers, drive sprockets, front idlers, top rollers for the Kubota U-45-3, so you can refresh the whole undercarriage in one order.
Are these OEM or aftermarket Kubota U-45-3 tracks?
OEM-grade aftermarket tracks built to factory fitment for the Kubota U-45-3 — same dimensions and guide type, continuous steel-cord belt, at a better price than dealer OEM.