Description
QU12013 Mainshaft 6th Gear for 2001.5-2005 NV5600 Transmissions has 24 teeth. 6th Gear has a final drive ratio of 0.73:1. With the narrow rpm band of the Cummins Diesel engine, the 27% overdrive provided by this gear is essential for reaching highway speeds especially with 4.10 rear axle gears. If your engine speed is 2400 rpm at 65 mph in 5th (direct drive), shifting to 6th will cut the engine speed to 1752 rpm. Imported. This gear can can be used on 1999-2001.5 transmissions if synchronizer ring is also replaced. See Tech Note below.
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Dan the Gear Man® Tech Notes:
1999-2001 NV5600
Applications
Tech Note 1: 1999-2001 NV5600
1999-2000, plus some early 2001 NV5600 transmissions used a unique synchronizer ring that was discontinued long before New Venture went belly up. To the best of my knowledge, no one currently makes rings for those early transmissions. What you need to do is replace the matching gear with a late model gear and purchase a late model ring for that gear. For instance, if your 5th and 6th synchros are out, you need to get a new style QU12001 Main Drive Gear (Input Shaft), QU12013 Mainshaft 6th gear, and 2 QU10408 Synchro Rings.
Applications:
Dodge:
NV5600 Transmissions: 2001.5, 2002, 2003, 2004, 2005
Can also be used on 1999-2001.5 transmissions if synchronizer ring is also replaced.
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