| Item | Part No. | Part Name | Qty | Serial No. |
| 207-30-00140 | IDLER ASSEMBLY, TRACK TOP | |||
| 1 | 207-30-55111 | ROLLER, CARRIER | ||
| 2 | 06000-30211 | BEARING | ||
| 3 | 207-30-55130 | SHAFT | ||
| 20Y-30-00041 | SEAL ASSEMBLY, FLOATING | |||
| 4 | 20Y-30-00051 | RING ASSEMBLY, SEAL | ||
| 20Y-30-16211 | RING, SEAL | |||
| 5 | 20Y-30-00061 | O-RING ASSEMBLY | ||
| 20Y-30-16191 | O-RING | |||
| 6 | 207-30-55121 | RING | ||
| 7 | 150-30-14420 | NUT | ||
| 8 | 150-30-14430 | RING | ||
| 9 | 207-30-55140 | COVER | ||
| 10 | 20Y-30-16330 | PLUG | ||
| 11 | 07000-03100 | O-RING | ||
| 12 | 01010-81025 | BOLT | ||
| N/I | 06000-30211 | BEARING | ||
| 13 | 01011-32000 | BOLT | ||
| 14 | 01643-32060 | WASHER | ||
| 15 | FRAME, TRACK (SEE PG 03-002) | |||
| F1 - TOP IDLER ASSEMBLIES 207-30-00140 AND 207-30-K1800 ARE | ||||
| INTERCHANGEABLE AS COMPLETE ASSEMBLIES, BUT COMPONENT PARTS | ||||
| WITHIN EACH ASSEMBLY ARE NOT. |