Config reviewDrive Sprocket
Heavy Duty SprocketConfiguration review required
Serial or config may be required.
Unlock pricingFREE FREIGHT ON ALL ORDERS
Mini Excavator
Cat 305E CR
Shop rubber tracks, undercarriage parts, and attachments for your Cat 305E CR — all in one place.
Parts for Cat 305E CR0 track options5 undercarriage parts
Primary Track
400x72.5Wx76
Guaranteed FitHeavy Duty Comes Standard.24-Month WarrantyNationwide Fulfillment
Undercarriage
Sprockets
1 option
Configuration review required
Cat 305E CR has more than one possible sprocket configuration. The exact configuration must be resolved before checkout.
Config reviewMachine FAQ
Cat 305E CR parts & ordering questions.
What products can I shop for my CAT 305E CR?
Machine-based rubber tracks, undercarriage parts, buckets, grapples, forks, and brush cutters for the CAT 305E CR.
Do these parts fit the CAT 305E CR?
This page is built around CAT 305E CR 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.
Need pricing fast?