New Venture Gear 5600 transmission

The NV5600 is a heavy duty, close ratio, 6-speed manual transmission that was used in 1999-2005 Dodge RAM 2500 and 3500 series ¾ ton and 1 ton trucks with 5.9 L Cummins Engines.^[1]

It was manufactured by New Venture Gear, a division of Magna Powertrain.

Specifications

• The NV5600 requires a specific lubricant.
• The Mopar part number is 4874464.
• 5W30 "synchromesh" is recommended.
• Input torque: 550 lb⋅ft (750 N⋅m)
• Weight: 360 lb (160 kg)
• Oil capacity: 9.5 pints (10 w/ optional filter)

Close Ratio NV5600 Gearing^[1]

1	2	3	4	5	6	R
5.63	3.38	2.04	1.39	1.00	0.73	5.36

Several aftermarket companies make the short throw shifter for the NV5600, which gives the transmission a smoother engagement and driving experience.^{[2][unreliable source?]}