Mini Excavator

Komatsu PC45MR 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 PC45MR rubber tracks and parts
Machine Performance
  • Operating Weight10494 lbs
  • Horsepower38.0 HP
  • Track Size400x72.5Nx72
Hydraulics & Lift
  • Standard Flow18.5 GPM
OEM Reference Parts

    Komatsu PC45MR Mini Ex Tracks

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

    Komatsu PC45MR 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 PC45MR 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 PC45MR rubber tracks →

    Komatsu PC45MR Mini Ex Attachments

    Excavator Pin-On mount for the Komatsu PC45MR. 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 PC45MR FAQs

    Common questions about Komatsu PC45MR tracks, undercarriage parts, and attachments.

    What size rubber tracks fit the Komatsu PC45MR?
    The Komatsu PC45MR 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 PC45MR?
    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 PC45MR 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 PC45MR?
    We stock 2+ tread options for the Komatsu PC45MR — 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 PC45MR?
    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 PC45MR?

    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