Mainshaft: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| MA5 | ||||
| Mainshaft | ||||
| 4WD | 11.1 | 7.3 | A | |
| MG5, MY2, M50 | ||||
| Mainshaft | ||||
| 2WD | 7.3 | 5.0 | B | Includes: R&I Transmission. |
| 4WD | 8.8 | 6.2 | B | Includes: R&I Transmission. |
| NOTE | ||||
| With Skid Plate, Add | 0.4 | 0.1 | B |