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Mini Excavator
Komatsu PC45MR-3
Shop rubber tracks, undercarriage parts, and attachments for your Komatsu PC45MR-3 — all in one place.
Parts for Komatsu PC45MR-31 track option4 undercarriage parts
Operating Weight
10,494 lb
Primary Track
400x72.5Nx74
Guaranteed FitHeavy Duty Comes Standard.24-Month WarrantyNationwide Fulfillment
Rubber Tracks
400x72.5Nx74
Choose your tread
Bridgestone Premium
1 tread
Machine FAQ
Komatsu PC45MR-3 parts & ordering questions.
What products can I shop for my Komatsu PC45MR3?
Machine-based rubber tracks, undercarriage parts, buckets, grapples, forks, and brush cutters for the Komatsu PC45MR3.
Do these parts fit the Komatsu PC45MR3?
This page is built around Komatsu PC45MR3 fitment from the model record, supplier part data, and machine-class attachment compatibility. Verify by serial number for serial-specific parts.
How fast does shipping take?
Same-day shipping on orders before 12pm CT. Most orders deliver in 1–3 business days. Tracking emailed at pickup.
What is the warranty?
All Heavy Iron Supply Co. rubber tracks carry a 24-month manufacturer warranty against defects — not prorated.
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