Komatsu PC45 Tracks & Parts

Outfit your Komatsu PC45 mini excavator with heavy-duty replacement rubber tracks built to OEM specs in size 400x72.5Nx72, backed by a 24-month warranty and free freight to the lower 48.

Komatsu PC45 Track Specs

  • Track size: 400x72.5Nx72
  • Width: 400 mm
  • Pitch: 72.5 mm
  • Links: 72
  • Guide: Offset guide

Tread Patterns

  • Directional — Angled directional lugs purpose-built for excavation, grading and trenching.

Complete the Komatsu PC45 Rebuild

Complete the rebuild with matched-fit components for the Komatsu PC45:

Also Fits These Machines

Looking for another machine? The 400x72.5Nx72 size also fits:

Built to Outlast OEM

  • Drop-forged steel links for strength where the track meets the drive system.
  • 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.
  • Precision OEM alignment — a reinforced roller path keeps running smooth and vibration low.

Order your Komatsu PC45 tracks and parts today, or call (850) 816-7898 for build help. Not sure on size or guide? The Track Finder has you covered.

Free US Shipping100% Fit GuaranteePremium OEM Quality

Find Your Track Call TrackTECH
Komatsu PC45 Tracks & Parts — TrackTECH rubber tracks & undercarriage parts

Track sizes

Rubber tracks

  • heavy duty 400x72 5nx70 directional 01 hero
    Komatsu PC45 400x72.5Kx72 All-Terrain
    • Heavy Duty | 400x72.5Kx72
    • All-Terrain Grip
    • Smooth Ride
    • Cut Resistant
    $1,599.00

    In stock

    Add to quote

Which tread fits Komatsu PC45?

Pick a tread for your jobsite — then buy above.
+ Recommended surface- Not the primary use— Application dependent
PatternBest UseKey TraitsRoadClayGravelMulchMudTurfAction
A All-terrainMachine-matched track option Available for this machine from the governed TrackTECH fitment record. Review the track option above for current price and availability.
  • Governed Fitment
  • Machine-Matched
  • Current Commerce Data
——————View

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.

Komatsu PC45 fitment data

Fitment & Part Numbers

Track Size400x72.5Nx72
Roller20T-30-00071

Related Collections

Frequently Asked Questions

Common fitment, shipping, and rubber track replacement questions

Will this track fit my Komatsu PC45?
Yes — this track is matched to the Komatsu PC45 by size and tread pattern.
Do Komatsu PC45 tracks sell in pairs?
Tracks are priced individually; a full machine needs two. Most owners replace both at once so wear stays even.
Do you stock undercarriage parts for the Komatsu PC45?
Yes — along with the rubber track we carry bottom rollers, top rollers for the Komatsu PC45, so you can refresh the whole undercarriage in one order.