| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM172119-35010 | SPROCKET | 20001- | |
| 2 | YM22217-140000 | WASHER | 20001- | |
| 3 | YM26116-140352 | BOLT | 20001- | |
| 4 | YM772423-37310 | ROLLER ASS'Y,TRACK | 20001- | |
| 5 | YM172147-37300 | ROLLER | 20001- | |
| 6 | YM172124-37310 | BUSHING,ROLLER | 20001- | |
| 8 | YM172423-37430 | SHAFT | 20001- | |
| 11 | YM172147-37340 | COVER,SEAL | 20001- | |
| 12 | YM22242-000300 | RING | 20001- | |
| 13 | YM24321-000350 | O-RING | 20001- | |
| 14 | YM933112-00400 | SEAL | 20001- | |
| 15 | YM933171-13691 | PLUG | 20001- | |
| 16 | YM172162-82980 | BOLT | 20001- | |
| 17 | YM22217-160000 | WASHER | 20001- | |
| 18 | YM172122-37843 | VALVE ASS'Y,NIPPLE | 20001- | |
| 19 | YM24315-000140 | O-RING | 20001- | |
| 20 | YM24761-020000 | FITTING,GREASE | 20001- | |
| 21 | YM172187-37502 | ROLLER ASS'Y,CARRIER | 20001- | |
| 23 | YM172187-37521 | SHAFT | 20001- | |
| 24 | YM172187-37530 | WASHER,CARRIER | 20001- | |
| 25 | YM172187-37540 | CAP,CARRIER ROLLER | 20001- | |
| 26 | YM172187-37550 | SEAL | 20001- | |
| 27 | YM22242-000300 | RING | 20001- | |
| 28 | YM22252-000621 | CLIP | 20001- | |
| 29 | YM24105-062064 | BEARING | 20001- | |
| 30 | YM933171-13691 | PLUG | 20001- | |
| 31 | YM22217-160000 | WASHER | 20001- | |
| 32 | YM26116-160702 | BOLT | 20001- | |
| 33 | YM26716-160002 | NUT | 20001- | |
| 34 | YM772124-37100 | FRONT IDLER ASS'Y | 20001- | |
| 35 | YM772423-37100 | IDLER ASS'Y,(RUBBER SHOE SPEC.) | 20001- | |
| 36 | YM172124-99490 | KIT,FRONT IDLER | 20001- | |
| 37 | YM172124-37130 | SHAFT,IDLER | 20001- | |
| 38 | YM172124-37160 | PIN | 20001- | |
| 39 | YM22242-000350 | RING | 20001- | |
| 40 | YM24321-000350 | O-RING | 20001- | |
| 41 | YM933112-00500 | SEAL | 20001- | |
| 42 | YM172124-37120 | BUSHING | 20001- | |
| 43 | YM172124-37100 | IDLER ASS'Y | 20001- | |
| 44 | YM172423-37100 | IDLER,(RUBBER SHOE SPEC.) | 20001- | |
| 45 | YM172124-37140 | COVER,IDLER | 20001- | |
| 46 | YM172124-37150 | COVER,IDLER | 20001- | |
| 47 | YM933171-13691 | PLUG | 20001- | |
| 48 | YM26013-120402 | BOLT | 20001- | |
| 49 | YM26013-120502 | BOLT,(RUBBER SHOE SPEC.) | 20001- | |
| 50 | YM172124-37700 | SPRING,ADJUSTING | 20001- | |
| 51 | YM172122-37710 | HOLDER,ADJUSTER | 20001- | |
| 52 | YM172122-37752 | ADJUSTER ASS'Y | 20001- | |
| 53 | YM172122-37782 | TUBE | 20001- | |
| 54 | YM172122-37810 | PISTON | 20001- | |
| 55 | YM172122-37820 | SEAL SET | 20001- | |
| 56 | YM172147-37700 | PLATE,(RUBBER SHOE SPEC.) | 20001- |