| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Replace |
| Complete Assembly With Transfer of Parts |
| Note |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| 241, 243 |
| Complete Assemlby Without Transfer of Parts | 2.9 | 2.1 | B | |
| Note |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| Complete Assembly With Transfer of Parts | 2.9 | 2.1 | B | |
| Note |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| 1370, 4401 & 4470 |
| Complete Assembly Without Transfer of Parts | 2.9 | 2.1 | B | |
| Note |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| Complete Assembly With Transfer of Parts | 2.9 | 2.1 | B | |
| Note |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| Transfer Case |
| Model 241C | 2.9 | 2.1 | B | |
| Model 4401 | 2.9 | 2.1 | B | |
| Model 4470 | 2.9 | 2.1 | B | |
| Overhaul/Rebuild |
| 241, 243 | 5.9 | 4.0 | A | Includes: R&I Transfer Case. |
| Note |
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| 1370, 4401 & 4470 | 5.9 | 4.2 | A | Includes: R&I Transfer Case. |
| Note |
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| Model 241C | 5.9 | 4.0 | A | |
| Model 4401 | 5.9 | 4.2 | A | |
| Model 4470 | 5.5 | 4.2 | A | |
| Note |
| With Skid Plate, Add | 0.4 | 0.2 | A | |