Caterpillar 301.5 / 301.6 / 301.8 Undercarriage Parts
Price range: $133.00 through $327.00
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Priced per part. Each option names the serial range letters it fits.
Which range is my machine? Find your model and serial number here, then pick the parts marked with that range letter.
| Range | Model | Configuration | Serial numbers (as KTSU lists them) |
|---|---|---|---|
| Range A | 301.5 | All | 301.5: Before 3YW 3760 |
| Range B | 301.5 301.6 |
All | 301.5: After 3YW 3759 301.6: BDH904-UP |
| Range C | 301.5 301.6 301.8 |
All | 301.5: MNH;ZHL 301.6: MY6 301.8: H8X;ZHN |
| Range D | 301.8 | All | 301.8: BFA |
KTSU-made rollers, idlers and sprockets for the Caterpillar 301.5, 301.6 and 301.8, priced per part. KTSU lists the same parts for all 3 models.
Parts by range
Models and serial numbers for each range are in the table above the part picker.
| Range | Drive Sprocket | Front Idler | Track Roller |
|---|---|---|---|
| Range A All 301.5 |
139-4304 | 226-4049 (W/Brkts (139-6271, 139-6272)) | 139-6261 |
| Range B All 301.5, 301.6 |
139-4304 | 226-4049 (W/Brkts (139-6271, 139-6272)) | 139-6261 232-4466 KTSU lists 2 — confirm the spec before ordering |
| Range C All 301.5, 301.6, 301.8 |
139-4304 | — | — |
| Range D All 301.8 |
— | 226-4049 (W/Brkts (139-6271, 139-6272)) | 139-6261 232-4466 KTSU lists 2 — confirm the spec before ordering |
KTSU part numbers on this page: 139-4304, 226-4049, 139-6261, 232-4466.
Verify your OEM part number against your serial plate before ordering.
Need tracks? Caterpillar 301.5 Tracks, Caterpillar 301.6 Tracks and Caterpillar 301.8 Tracks.
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