| PART NUMBER | DESCRIPTION | SERIES | MODEL | AGGREGATE | GROUP NO. | GROUP NAME |
| 12383240020 | GEAR Spur 54 Wheel | 2500 Series | 2538 HST T4 | Chassis | 2538 HST T4 -FIG 413 | REAR AXLE HOUSINGS (2) |
| 12383240020 | GEAR Spur 54 Wheel | 2500 Series | 2538 HST Cabin T4 | Transmission & Rear Axle | 2538 G CABIN_FIG 413 | REAR AXLE HOUSINGS (2) |
| 12383240020 | GEAR Spur 54 Wheel | 2500 Series | 2545 Gear Cabin T4 | Transmission & Rear Axle | 2545 GC T4_FIG 413 | REAR AXLE HOUSINGS (2) |
| 12383240020 | GEAR Spur 54 Wheel | 2500 Series | 2545 Gear T4 | Transmission & Rear Axle | 2545 G T4_FIG 413 | REAR AXLE HOUSINGS (2) |
| 12383240020 | GEAR Spur 54 Wheel | 2600 series | 2638 HST OS | Transmission & Rear Axle | 2638 HST OS_FIG 413 | REAR AXLE HOUSINGS (2) |
| 12383240020 | GEAR Spur 54 Wheel | 2600 series | 2638 HST CAB | Transmission & Rear Axle | 2638 HST CAB_FIG 413 | REAR AXLE HOUSINGS (2) |
| 12383240020 | GEAR Spur 54 Wheel | 2600 series | 2645 Gear OS | Transmission & Rear Axle | 2645 GEAR OS_FIG 413 | REAR AXLE HOUSINGS (2) |
| 12383240020 | GEAR Spur 54 Wheel | 2600 series | 2645 Gear Cab | Transmission & Rear Axle | 2645 GEAR CAB_FIG 413 | REAR AXLE HOUSINGS (2) |