Komatsu PC30MR-2 Undercarriage Parts
Undercarriage parts available for the Komatsu PC30MR-2: track roller (OEM 21U-30-31301), sprocket (OEM 22L-27-21110).
Parts on this page also fit the Komatsu PC27MR-2, PC35MR-2 — see each part's fitment list for the exact models.
Parts list with OEM numbers
| Part | OEM part number | Fits | Details |
|---|---|---|---|
| Track Roller (bottom roller) | 21U-30-31301 | PC30MR-2, PC27MR-2, PC35MR-2, PC20MR-1 | Specs & quote |
| Sprocket (drive sprocket) | 22L-27-21110 | PC30MR-2, PC27MR-2, PC35MR-2, PC26MR-3 | Specs & quote |
Part numbers can change with machine serial ranges. Send your serial number and we will confirm before quoting.
Ordering
Send the parts you need from this list — track roller, sprocket — and we quote them together. Each part comes from a partner factory that specializes in it, and the order is consolidated into one shipment from Xiamen.
| MOQ | 1 set per machine |
|---|---|
| Lead time | 7–25 days, depending on part type and quantity |
| Warranty | 12 months |
| Payment | T/T, L/C |
| Shipping port | Xiamen |