FREE NV273D Transfer Case Exploded View for 2003 to 2012.5 Dodge Ram 2500, Ram 3500 and 2008-2012.5 Ram 4500, Ram 5500 with New Venture NV273D Electric Shift Transfer Cases
XV4034 Dan the Gear Man® Exploded View
2003-2012.5 Ram NV273D Electric Shift Transfer Case
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Introduction >
Brand New Transfer Case Assemblies >
Input Shaft and Planetary >
Rear Output Shaft Slip Yoke Type >
Rear Output Shaft Fixed Flange Type >
Front Output Shaft >
Oil Pump and Pickup >
Shift Parts >
Front Case >
Rear Case with Slip Yoke Type Rear Output >
Rear Output Driveshaft Slip Yoke Selector >
Rear Case with Fixed Flange Type Rear Output >
Maintenance and Service Information >
Shift Actuators >
More Resources >
Comprehensive Rebuild and Overhaul Kits >
Bearing and Seal Kits >
Tools >
User Guide >
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XV4034
2003-2012.5 Ram NV273D
Electric Shift Transfer Case Exploded View Scene Index
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2003-2012.5 Dodge/Ram New Venture NV273D Transfer Cases
New Venture NV273D Electric Shift Transfer Cases were used in 2003-2012.5 Ram 2500/Ram 3500, 2004-2010 Ram 1500 Mega Cab, and 2008-2012.5 Ram 4500/Ram 5500 4x4 trucks. The NV271D was the optional transfer case for most trim levels with the NV271D Manual Shift unit being the standard equipment model.
The NV273D is a direct mount, chain drive, two speed transfer case that bolts directly to the rear of your Ram truck transmission. It has an aluminum case and the planetary type low range features a 2.72:1 gear reduction. An oil pump is driven from the rear output shaft to provide pressurized lubrication to the input shaft and mainshaft components. A slip yoke type rear output shaft is used for all applications EXCEPT most 2007-2012 chassis cab models.
Input shafts with 23 splines were used for gas engine and many Diesel trucks equipped with Chrysler automatic transmissions. 29 spline input shafts were used for all manual transmission and automatic transmission Diesel heavy-duty models. All pickups and chassis cab models with slip yoke type rear outputs use a single-row mainshaft to input shaft pilot bearing. Chassis cab models with fixed flange rear outputs have double-row mainshaft to input shaft pilot bearings. Another difference is 2003-2005 273s use a half-round sector shaft which was replaced by a splined shaft for 2006.
The NV273D is usually a durable and reliable transfer case with sufficient torque capability for stock engines and those with mild torque upgrades. At the time of it's release, New Venture rated the NV273D for over 2,000 pounds of torque at the OUTPUT shaft. The Input torque was not publicly released, but it was undoubtedly more than adequate for the Cummins Diesel engines of the 2003-2012 era.
Ram replaced the NV273D with the Borg Warner 44-46 electric shift transfer case during the 2012 model year. It is debatable which is the stronger unit, however, parts availability is better, and parts cost is generally lower for the New Venture made transfer case.
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