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Atlas Transfer Cases        



Atlas 2 speed

An extremely high quality specialty 2 speed (High range 1:1 plus one low range) transfer case. Available for many popular applications in 2.0, 3.0, 3.8, 4.3, 5.0 and 6.0 to one low range ratios ratios. Custom adapted applications are in many cases possible where the standard stock item will not fit. We know all sorts of unusual applications for these excellent cases. 

  • Fully synchronized shift-on-the-fly operation.

  • Twin Stick - allows 2-HI, 4-HI, RWD-Lo, FWD-Lo, 4WD-Lo operation

  • Download Atlas II Manual

Atlas 4 speed

This unit is functionally a Klune-V Goliath bolted to either a 3.8 or 2.0 Atlas. (Klune-V / Atlas Combo - Article) There is an advantage to this Advance Adapters version:  By purpose-engineering the combo, Advance Adapters has done a nice job of integrating the assembly, shortening the overall combo by 3.5". Another benefit of this system is that the Atlas 4-Speed as a unit costs less than buying a Klune and buying an Atlas 2 speed and combining them

If you want to hear the arguments why you want a 4Speed transfer case system, they are thoroughly covered on our Klune-V Underdrive Web Section

The Atlas has been installed in both full and down size vehicles such as Jeeps, Broncos, Explorers, Dodge, Chevy & Ford Trucks. These units can be found in daily driven vehicles, all the way up to the extreme rock crawling vehicles.

Atlas Specifications

Atlas 2 Speed

Case
Material 356-T6 Heat treated Aluminum
Weight 110 lbs (dry)
Internal Components
Gears Helical Cut
Bearings Needle and Tapered Roller
Synchonizers Borg Warner
Available Input shaft splines 10, 21, 23, 25, 27, 28, 29, 31, 32, 34, 35
Rear Output Shaft 32 Spline
Front Output Shaft 26 Spline or 32 Spline
Ratios Available
Low Range: 2.0; 3.0; 3.8; 4.2; 5.0; 6.0
High Range one to one
Lubrication
Quarts 2.0
Length Comparisons
Atlas (Standard Tail) 13.8"
Atlas (Short Tail) 11.8"
NP231 20.5"
NP241OR "RockTrac" 15.25"

 

Atlas 4 Speed

Case
Material 356-T6 Heat treated Aluminum
Weight 125 lbs (dry)
Internal Components
Gears Helical Cut
Bearings Needle and Tapered Roller
Synchronizers Borg Warner (rear section only)
Available Input shaft splines 21, 23, 25, 27, 29, 31, 32, 34
Rear Output Shaft 32 Spline
Front Output Shaft 32 Spline
Ratios Available
Wide Ratio 4 spd 1:1,   2.72:1.   3.8:1,   10.34:1
Close Ratio 4spd 1:1,   2.0:1,   2.72:1,    5.44:1
Lubrication
Quarts 2.36
Length Comparisons
Atlas (Standard Tail) 17"
Atlas (Short Tail) 15"
NP231 20.5"
NP241OR "RockTrac" 15.25"

 

 

 

 


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