| Узел | Модель |
| (06-24) - AXLE, FRONT - HUB, PLANETARY | (721D) - CASE WHEEL LOADER (NORTH AMERICA) (1/03-12/06) |
| (06-40) - AXLE, FRONT - HUB, PLANETARY - PRIOR TO P.I.N. N8F203816 | (721E) - WHEEL LOADER TIER 3 (NA) (8/06-12/11) |
| (06-40A) - AXLE, FRONT - HUB, PLANETARY - P.I.N. N8F204595 AND AFTER | (721E) - WHEEL LOADER TIER 3 (NA) (8/06-12/11) |
| (06-44) - AXLE, FRONT - HUB, PLANETARY - PRIOR TO P.I.N. N8F203870 | (821E) - WHEEL LOADER TIER 3 NA/EU (8/06-12/11) |
| (06-51) - AXLE, REAR - HUB, PLANETARY - PRIOR TO P.I.N. N8F203870 | (821E) - WHEEL LOADER TIER 3 NA/EU (8/06-12/11) |