Mini Excavator

Komatsu PC55MR Mini Ex Tracks

Fits track size: 400x72.5Nx72

Choose your tread pattern. OEM-grade, continuous steel cord, free freight.

24-Month Warranty Free Freight Same-Day Shipping Fleet Discounts
Komatsu PC55MR rubber tracks and parts
Machine Performance
  • Operating Weight12000 lbs
  • Horsepower42.0 HP
  • ROC / Bucket Force12500 lbs
  • Track Size400x72.5Nx72
Hydraulics & Lift
  • Standard Flow18.5 GPM
  • Hydraulic Pressure3626 PSI
  • Lift TypeZero
OEM Reference Parts

    Komatsu PC55MR Mini Ex Tracks

    Pick your track size (OEM fit: 400x72.5Nx72), then choose a tread pattern. OEM-grade continuous steel cord · free freight.

    Komatsu PC55MR Mini Ex · 400x72.5Nx74

    All-Terrain

    Heavy-Duty Rubber Track

    All-Terrain

    Track Size: 400x72.5Nx74

    $1,499.00$1,905.00Save $406.00

    View Track

    Komatsu PC55MR Mini Ex · 400x72.5Nx72

    All-Terrain

    Heavy-Duty Rubber Track

    All-Terrain

    Track Size: 400x72.5Nx72

    $1,647.00$1,855.00Save $208.00

    View Track
    Shop all Komatsu PC55MR rubber tracks →

    Komatsu PC55MR Mini Ex Attachments

    Excavator Pin-On mount for the Komatsu PC55MR. Buckets, grapples, forks, brush cutters & more — selected for this machine.

    Backhoe Heavy Duty Bucket

    Attachment

    Backhoe Heavy Duty Bucket

    $495.00

    View Attachment
    Shop all attachments →

    Komatsu PC55MR FAQs

    Common questions about Komatsu PC55MR tracks, undercarriage parts, and attachments.

    What size rubber tracks fit the Komatsu PC55MR?
    The Komatsu PC55MR commonly uses track size 400x72.5Nx72. Verify against your machine's existing track sidewall marking or OEM manual before ordering.
    Are Heavy Iron tracks guaranteed to fit my Komatsu PC55MR?
    Yes. Every rubber track order requires you to confirm make and model at checkout. We cross-reference OEM specs and only ship when fitment is verified. Wrong-fit claims are covered under our fitment guarantee.
    How fast do Komatsu PC55MR tracks ship?
    Orders placed before 12PM CT ship the same business day. Rubber tracks ship free via LTL freight to the contiguous United States (48 states).
    What tread patterns are available for the Komatsu PC55MR?
    We stock 2+ tread options for the Komatsu PC55MR — including C-Block, multi-bar, zig-zag, and directional patterns. See the tracks section above for live pricing.
    Do you sell undercarriage parts for the Komatsu PC55MR?
    Yes — sprockets, idlers, rollers, and related steel undercarriage components are listed on this page when in stock. Need an OEM part number matched? Call (850) 816-7898 with your serial number.

    Ready to outfit your Komatsu PC55MR?

    Need a part not listed? We source OEM-cross undercarriage and attachments for every major brand. Free freight and fleet pricing.

    Request a Free Quote
    Or call us at: (850) 816-7898