| Узел | Модель |
| (6-32) - TRANSMISSION FINAL DRIVE, 53 INCH GAUGE LONG TRACK MODELS | (550) - CASE LONG TRACK CRAWLER TRACTOR (1/89-12/91) |
| (6-34) - TRANSMISSION FINAL DRIVE, 64 INCH GAUGE LGP MODELS | (550) - CASE LONG TRACK CRAWLER TRACTOR (1/89-12/91) |
| (6-18) - TRANSMISSION FINAL DRIVE, 53 INCH GAUGE LONG TRACK MODELS | (550E) - CASE LONG TRACK CRAWLER TRACTOR (1/92-12/94) |
| (6-22) - TRANSMISSION FINAL DRIVE, 64 INCH GAUGE LGP MODELS | (550E) - CASE LONG TRACK CRAWLER TRACTOR (1/92-12/94) |
| (6-16) - TRANSMISSION ASSEMBLY, FINAL DRIVE, 53 INCH GAUGE LONG TRACK MODELS | (550G) - CASE LONG TRACK CRAWLER TRACTOR (2/95-12/98) |
| (6-18) - TRANSMISSION ASSEMBLY, FINAL DRIVE, 64 INCH GAUGE LONG TRACK MODELS | (550G) - CASE LONG TRACK CRAWLER TRACTOR (2/95-12/98) |
| (6-08) - TRANSMISSION, FINAL DRIVE, 1346 MM (53 INCH) GAUGE LONG TRACK (LT) MODEL | (550H) - CASE CRAWLER TRACTOR (12/99-12/08) |
| (6-09) - TRANS., FINAL DRIVE, 1627 MM (64 IN) GAUGE WIDE TRACK (WT) OR LOW GROUND PRESSURE (LGP) MODELS | (550H) - CASE CRAWLER TRACTOR (12/99-12/08) |
| (06-08) - TRANSMISSION, FINAL DRIVE, 1346 MM (53 INCH) GAUGE LONG TRACK (LT) MODEL | (550H-IND) - CASE CRAWLER TRACTOR (12/99-12/08) |
| (06-09) - TRANS., FINAL DRIVE, 1627 MM (64 IN) GAUGE WIDE TRACK (WT) OR LOW GROUND PRESSURE (LGP) MODELS | (550H-IND) - CASE CRAWLER TRACTOR (12/99-12/08) |