Config reviewDrive Sprocket
Heavy Duty SprocketConfiguration review required
Serial or config may be required.
Unlock pricingFREE FREIGHT ON ALL ORDERS
Mini Excavator
Cat 306CR
Shop rubber tracks, undercarriage parts, and attachments for your Cat 306CR — all in one place.
Parts for Cat 306CR0 track options4 undercarriage parts
Operating Weight
13,800 lb
Power
56 hp
Rated Capacity
14,200 lb
Hydraulic Flow
22.5 gpm · 33 high flow
Primary Track
400x72.5Wx76
Guaranteed FitHeavy Duty Comes Standard.24-Month WarrantyNationwide Fulfillment
Undercarriage
Sprockets
1 option
Configuration review required
Cat 306CR has more than one possible sprocket configuration. The exact configuration must be resolved before checkout.
Config reviewMachine FAQ
Cat 306CR parts & ordering questions.
What products can I shop for my CAT 306CR?
Machine-based rubber tracks, undercarriage parts, buckets, grapples, forks, and brush cutters for the CAT 306CR.
Do these parts fit the CAT 306CR?
This page is built around CAT 306CR 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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