| Item | Part No. | Part Name | Qty | Serial No. |
| 01 | | Idler assy. | | |
| 02 | | Tensioner | | |
| 03 | 488 028 40 | Plate | | |
| 04 | 308 670 99 | Bolt | | |
| 05 | 334 686 99 | Nut | | |
| 06 | | Track roller | | |
| 07 | 304 135 99 | Bolt 200lg. (standard) | | |
| 07 | 501 138 98 | Bolt 200lg. (cold weather design) | | |
| 08 | 316 213 99 | Washer | | |
| 09 | 514 678 40 | Nut (standard) | | |
| 09 | 499 927 40 | Nut (cold weather design) | | |
| 10 | 650 333 40 | Bushing | | |
| 11 | 457 126 40 | Cover | | |
| 12 | 480 096 40 | Cover | | |
| 13 | 307 819 99 | Bolt | | |
| 14 | 346 502 99 | Lock washer | | |
| 15 | 307 800 99 | Bolt | | |
| 16 | 346 498 99 | Lock washer | | |
| 17 | 308 412 99 | Bolt 230lg. (standard) | | |
| 17 | 515 256 98 | Bolt 230lg. (cold weather design) | | |
| 25 | | see page top roller / rail support | | |
