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Mini Excavator
Cat 304.5
Shop rubber tracks, undercarriage parts, and attachments for your Cat 304.5 — all in one place.
Parts for Cat 304.51 track option4 undercarriage parts
Primary Track
400x72.5Wx72
Guaranteed FitHeavy Duty Comes Standard.24-Month WarrantyNationwide Fulfillment
Rubber Tracks
400x72.5Wx72
Choose your tread
Bridgestone Premium
1 tread
Machine FAQ
Cat 304.5 parts & ordering questions.
What products can I shop for my CAT 304.5?
Machine-based rubber tracks, undercarriage parts, buckets, grapples, forks, and brush cutters for the CAT 304.5.
Do these parts fit the CAT 304.5?
This page is built around CAT 304.5 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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