| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Replace |
| 5 Speed |
| NV1500 NV3500 NV3550 |
| Complete Assembly Without Transfer Of Parts | 1.7 | 1.2 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Dual Exhaust, Add | 0.5 | 0.3 | B | |
| With 2 Piece Driveshaft, Add | 0.4 | 0.2 | B | |
| Complete Assembly With Transfer Of Parts | 2.0 | 1.4 | B | Includes: R&I Transmission. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Dual Exhaust, Add | 0.5 | 0.3 | B | |
| With 2 Piece Driveshaft, Add | 0.4 | 0.2 | B | |
| NV4500, NV4500HD |
| Complete Assembly Without Transfer Of Parts | 2.7 | 1.9 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Two Piece Drive Shaft, Add | 0.4 | 0.2 | B | |
| With Dual Exhaust, Add | 0.5 | 0.3 | B | |
| Complete Assembly With Transfer Of Parts | 3.0 | 2.1 | B | Includes: R&I Transmission. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Two Piece Drive Shaft, Add | 0.4 | 0.2 | B | |
| With Dual Exhaust, Add | 0.5 | 0.3 | B | |
| Overhaul/Rebuild |
| 5 Speed |
| NV1500 NV3500 NV3550 | 6.3 | 4.4 | A | Includes: R&I Transmission. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| With Dual Exhaust, Add | 0.5 | 0.3 | A | |
| With 2 Piece Driveshaft, Add | 0.4 | 0.2 | A | |
| NV4500, NV4500HD | 7.3 | 5.2 | A | Includes: R&I Transmission. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| With Two Piece Drive Shaft, Add | 0.4 | 0.2 | A | |
| With Dual Exhaust, Add | 0.5 | 0.3 | A | |