| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Replace |
| 136, 236, 246 |
| Complete Assembly Without Transfer Of Parts |
| Old Style | 2.9 | 2.1 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| Complete Assembly With Transfer Of Parts |
| Old Style | 2.9 | 2.1 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| 241, 243 |
| Complete Assembly Without Transfer Of Parts |
| Old Style | 2.9 | 2.1 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| Complete Assembly With Transfer Of Parts |
| Old Style | 2.9 | 2.1 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| 1370, 4401 & 4470 |
| Complete Assembly Without Transfer Of Parts |
| Old Style | 2.9 | 2.1 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| Complete Assembly With Transfer Of Parts |
| Old Style | 2.9 | 2.1 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| Overhaul/Rebuild |
| 136, 236, 246 |
| Old Style | 5.9 | 4.0 | A | Includes: R&I Transfer Case. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| 241, 243 |
| Old Style | 5.9 | 4.0 | A | Includes: R&I Transfer Case. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| 1370, 4401 & 4470 |
| Old Style | 5.9 | 4.2 | A | Includes: R&I Transfer Case. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | A | |