NP 271 NV271 Dodge and Ford Transfer Case
This model is a chain driven manual shift and part time transfer case. The output is on the driver-side with center rear output. This unit has been utilized in Dodge and Ford pickup trucks F250, F350, F450 and F550 from 1999-Up. This heavy duty design is rated at gross vehicle weight of 17,500 lbs in vehicles with 5.3 L to 7.3 L diesels. The NP271 is a heavy duty version has a 6 pinion planet and utilizes a 1.5 wide chain, designed specifically for durability with emphasis for high strength and long-term durability.
The NP271 has 2.72:1 ratio, and has a aluminum case has either 4WD part-time manual shift. These units have different input spline counts: Dodges have 23 and 29 spline inputs. Ford uses 24 spline with manual transmissions and 31 and 34 spline units. Both Dodge and Ford NP271 transfer cases have driveside drops.
Applications Model Years
Dodge 2500 23 spline input 34 spline output 2003-2006
2003-2006
Dodge 3500 23 spline input rear flange output 2007-2009
Dodge 3500 23 spline input 34 spline output 2003-2008
Dodge 4500 29 spline input rear flange output 2007-2009
Dodge 4500 29 spline input rear flange output 2007-2009
Ford F250 & F350 34 spline input rear slip 2008-2009
Ford F250 & F350 34 spline input 2003-2007
Ford F250 & F350 24 spline input 1999-2005
Ford F250 & F350 31 spline input 1999-2003
Ford F450 34 spline input rear slip 2008-2009
Ford F450 34 spline input Auto Trans 2003-2006
Ford F450 24 spline input,Manual Trans 1999-2005
Ford F450 31 spline input Auto Trans 1999-2003
Ford F450 34 spline input rear slip 2008-2009
