
Bottom Roller CAT 320B 330D 336D 330C 325B/C 322B/C 329D 163-4147
In Stock (Melbourne)
|Dispatches Same Day (Order before 11AM)
Onsite bottom roller replacement service available (selected areas) Backed by a 1-year undercarriage parts warranty Fast shipping across all of Australia Free consultation with an undercarriage specialist
Ensure optimal track performance with our Bottom Roller CAT 320 330 336 325 322 329 replacements, designed for heavy-duty excavator applications. This premium bottom roller is engineered to withstand extreme loads, reduce track wear, and improve machine stability on rough terrain. Available from Big Power Parts in Melbourne with fast daily dispatch and Australia-wide express shipping.
Each roller is manufactured to meet or exceed OEM specifications, offering a perfect fit and long service life. It features a robust sealed design to keep contaminants out and lubricant in, ensuring reliable operation in harsh conditions. Our undercarriage specialist team provides free consultation to help you select the right part and ensure proper fitment.
Specifications
| Specification | Details |
|---|---|
| Part Name | Bottom Roller |
| Compatible Models | CAT 320B, 320C, 322B, 322C, 325B, 325C, 329D, 330C, 330D, 336D |
| Part Number | 163-4147 |
| Warranty | 1-year undercarriage parts warranty |
| Shipping | Fast daily dispatch, express Australia-wide |
| Service | Onsite installation available (selected areas) |
Machine Compatibility List
- CAT 320B
- CAT 322B L
- CAT 322C FM
- CAT 325B
- CAT 325B L
- CAT 325C
- CAT 325C FM
- CAT 325C L
- CAT 329D
- CAT 330C
- CAT 330D
- CAT 330D L
- CAT 336D
- CAT 336D L
- CAT 345D
- Mobile Hyd Power Unit
For the Bottom Roller CAT 320 330 336 325 322 329, trust Big Power Parts for quality, local support, and fast delivery. Contact our team for a free consultation or to arrange onsite installation. Order now and keep your excavator running efficiently!

