Aftermarket track (carrier) roller assembly for 20-ton excavators, including CAT 320D/320DL and Komatsu PC200-8 class machines. Features an induction-hardened contact surface for extended service life, sealed and pre-greased for maintenance-free operation. Direct replacement for undercarriage parts with OEM cross-reference available. MOQ 1 piece, ships from Xi’an or Shanghai via rail, sea, or air. Warranty 3–12 months.
Nameplate, OEM number and working conditions — checked against your machine, confirmed in writing before you pay.
Photos and video of the actual part, packed and labelled, before it leaves. What you see is what ships.
Send the hour-meter reading and we log the service interval — you get a message before the next one is due.
Nothing leaves Xi’an until you reply "ok". You approve, then we ship — not the other way round.
| MOQ | 1 Piece |
| Port | Xi’an / Shanghai |
| Type | Track / Carrier Roller |
| Material | Hardened Alloy Steel |
| Shipping | Rail / Sea / Air |
| Warranty | 3-12 Months |
| Application | CAT 320D / Komatsu PC200-8 class |
The aftermarket track roller (carrier roller) assembly is designed for 20-ton class excavators, including CAT 320D / 320DL and Komatsu PC200-8. It serves as a direct replacement for the original undercarriage component, ensuring proper track alignment and reducing wear on other undercarriage parts.
Made from hardened alloy steel, the roller features an induction-hardened contact surface that provides excellent wear resistance and extends service life. Each unit is pre-greased and sealed for life, eliminating the need for routine maintenance and ensuring reliable performance in demanding conditions.
This track roller is available for immediate delivery with a minimum order quantity of just 1 piece. It can be cross-referenced by OEM number to guarantee compatibility. Shipping options include rail, sea, or air from Xi’an or Shanghai, with a warranty of 3–12 months.
| Part Number | Machine Model | Type | Availability |
|---|---|---|---|
| 163-4143 | — | Replacement part | In Stock |
| 348-1867 | — | Replacement part | In Stock |
| 20Y-30-00016 | — | Replacement part | In Stock |
This is a partial reference. Send your part number or machine model — we source and confirm it for you.
| Original (OEM) | 163-4143 / 348-1867 / 20Y-30-00016 |
| Cross Reference | 163-4143 |
| Cross Reference | 348-1867 |
| Cross Reference | 20Y-30-00016 |
| Concern | Impact | How we help |
|---|---|---|
| Wrong part model | Installation failure, extra cost | Confirmed by number, model and photos before shipment. |
| Unclear part number | Delays in sourcing | We identify the part from whatever info you have. |
| Poor quality | Downtime and complaints | Stable replacement elements; every unit checked. |
| Slow response | Project delays | Reply within 24 hours. |
| Many suppliers | Complex procurement, higher cost | Wide coverage, mixed orders from one source. |
| Shipping risk | Damage or late arrival | Export packing and the right shipping method. |
| High MOQ | Financial risk | Flexible quantity — start small. |
| No after-sales | Problems unresolved | We stay in touch after delivery. |
Send part number, machine model or photo — whatever you have.
We confirm the correct part from your number, model and photos.
You receive price, availability and specifications.
We arrange preparation on the agreed terms.
We check the parts and send photos before dispatch.
Express, air, rail or sea — with tracking after dispatch.
We supply OEM-supplier, branded and quality aftermarket replacement parts built to match OEM specifications. OEM numbers are shown for reference only.
Contact us to confirm machine compatibility — send your machine model and serial number, and we verify fitment before you pay.
3-12 months depending on part type; common-rail injectors 3-6 months subject to correct installation.
Parts are sourced to order and consolidated in Xi\u2019an; consolidation and dispatch usually 2-5 business days depending on availability, then 7-15 days to most countries via DHL / FedEx / sea / rail. Confirmed per line in the quotation.
Yes — we send photos and videos of your part for approval before dispatch.
