| PART NUMBER | DESCRIPTION | SERIES | MODEL | AGGREGATE | GROUP NO. | GROUP NAME |
| 006502638C1 | GEAR Driven 1st Speed – 59 Teeth | 25 Series | 4025 4WD T4 | C.R.P.T.O. & Transmission | '01_4025_0001_0077-M' | TRANSMISSION GEARS & SHAFTS (PART 1) |
| 006502638C1 | GEAR Driven 1st Speed – 59 Teeth | 4500 Series | 4540 4WD-T4 | C.R.P.T.O. & Transmission | 4540-TGS1-13 | TRANSMISSION GEARS & SHAFTS (PART 1) |
| 006502638C1 | GEAR Driven 1st Speed – 59 Teeth | 4500 Series | 4550 4WD-T4 | C.R.P.T.O & Transmission | 45504WD-TGS1-13 | TRANSMISSION GEARS & SHAFTS - PART 1 |
| 006502638C1 | GEAR Driven 1st Speed – 59 Teeth | 4500 Series | 4550 2WD-T4 | C.R.P.T.O. & Transmission | 50252-TGS1-13 | TRANSMISSION GEARS & SHAFTS (PART 1) |