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What are the gear ratios of NV4500 and Getrag G360 Transmissions?
| Current Production NV4500 Gear Ratios | Getrag G360 Gear Ratios |
| 1st...............5.61:1 | 1st..............5.53:1 |
| 2nd..............3.04:1 | 2nd.............3.04:1 |
| 3rd...............1.67:1 | 3rd..............1.67:1 |
| 4th...............1.00:1 | 4th..............1.00:1 |
| 5th..................75:1 | 5th.................77.1 |
| Reverse.........5.04:1 | Reverse........5.61:1 |
What are the NV4500 Design Specifications?
Current Production NV4500 Specifications*:
Synchronization.........................................All Gears
Main Case..................................................Cast iron
Shift Cover................................................Aluminum alloy
Gear Bearing.............................................Caged roller
Main Shaft Pilot........................................Straight roller
Lubricant....................................................SyntorqLT Synthetic 75w85w gear lubricant
Shift Pattern...............................................Same as Getrag
Tailhousing................................................Aluminum alloy
Support Bearing........................................Timken tapered roller
Input Thrust...............................................Flat thrust bearing assembly
Dry Weight...............................................195 pounds
Rated Gross Vehicle Weight...................HD: 16,000 pounds, LD: 15,000 pounds
Rated Gross Combined Weight...............HD: 21,000 pounds, LD: 19,000 pounds
Torque Rating............................................HD: 460 lb.-ft. LD: 410 lb.-ft
Oil Capacity Transmission Only..............4 quarts, but we recommend 4.5 quarts
Oil Capacity including TC adapter ...........5 quarts (when replacing Getrag)
PTO.............................................................Standard 6 bolt on each side
Dodge HD Input Shaft................................1 1/4" 10 spline with .750" pilot tip diameter
Dodge LD Input Shaft................................1 1/8" 10 spline with .750" pilot tip diameter
GM Input Shaft...........................................1 1/8" 10 spline with .590" pilot tip diameter
Dodge 4x4 Output Shaft............................HD: 29 spline, LD: 23 spline
Dodge 4x2 Output Shaft............................HD: 31 spline, LD: 30 spline
GM 4x4 Output Shaft................................32 spline
Bellhousing Bolt Pattern ..........................top 10.078", bottom 9.738" Height 6.043", 5.600" index
Bellhousing Bolt Pattern 1993-95 GM...top 10.078", bottom 10.394" Height 4.685" 5.125" index
*NV4500HD models are used with Cummins Diesel & V10. NV4500LD models are used for all other applications
