| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Replace |
| 126 |
| Complete Assembly Without Transfer Of Parts | 2.8 | 1.8 | B | |
| Complete Assembly With Transfer Of Parts | 2.9 | 1.9 | B | |
| 226 |
| Complete Assembly Without Transfer Of Parts | 2.8 | 1.8 | B | |
| Complete Assembly With Transfer Of Parts | 2.9 | 1.9 | B | |
| 136, 236, 246 |
| Complete Assembly Without Transfer Of Parts | 3.0 | 2.0 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| Complete Assembly With Transfer Of Parts | 3.0 | 2.4 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| 233 |
| Complete Assembly Without Transfer Of Parts | 3.5 | 2.4 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| Complete Assembly With Transfer Of Parts | 3.5 | 2.4 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| Overhaul/Rebuild |
| Model 126, 226 | 6.2 | 3.8 | A | |
| 136, 236, 246 | 5.9 | 4.4 | A | Includes: R&I Transfer Case. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| 233 | 7.0 | 4.8 | A | Includes: R&I Transfer Case. |
| NOTE |
| With Skid Plate, Add | 0.3 | 0.2 | A | |