
In Stock (Melbourne)
|Estimated same-day dispatch for orders before 11am; subject to confirmation
Warehouse pickup
Free38 Stephen Road, Dandenong South VIC 3175
When it comes to maintaining the undercarriage of your Caterpillar mini excavator, the CAT 303.5 Track Roller Fit CAT 302.5 303 plays a vital role in ensuring smooth track performance and overall machine stability. At Big Power Parts, we supply premium aftermarket Bottom Track Rollers that are manufactured to strict quality standards, delivering the durability and reliability you expect without the OEM price tag.
Our Bottom Track Rollers are constructed from high-grade forged steel and feature induction-hardened tread surfaces for superior wear resistance. The internal bearings are precision-ground and sealed with heavy-duty floating seals to block contaminants, extend service intervals, and reduce the risk of premature failure. Each roller undergoes rigorous dimensional checks and load testing to guarantee a perfect fit and long operational life. Designed to withstand the harsh conditions of Australian worksites, these rollers provide consistent support and reduce track chain wear.
Key Specifications
| Specification | Details |
|---|---|
| Part Name | Bottom Track Roller |
| Compatible Models | Caterpillar 302.5, 303.5, 303CR |
| Position | Track Undercarriage (Bottom Track Roller) |
| Warranty | 1-Year Undercarriage Parts Warranty |
| Availability | In Stock – Melbourne Warehouse |
Machine Compatibility List
Big Power Parts is your local Melbourne-based supplier, offering fast daily dispatch and express shipping to all corners of Australia. We keep these Bottom Track Rollers in stock so you can minimise downtime and get back on the job quickly. Every purchase is covered by a comprehensive 1-year undercarriage parts warranty, and our experienced team provides free technical consultation to help you select the correct components for your machine.
When you need a dependable CAT 303.5 Track Roller Fit CAT 302.5 303 replacement, trust Big Power Parts for quality, support, and rapid delivery. Order today to keep your excavator tracks running at peak performance.