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Atlas Transfer Case Jeep JL 2SP Builder

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Configure the Atlas Transfer Case for your Jeep JL & JT Model Wrangler
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Atlas 2 speed to the 2018 and newer Jeep JL and JT. Application for these Jeeps will fit the automatic transmission (850RE 8 speed) or the Manual transmission D478.

The Advance Adapters Atlas gear-driven transfer cases are the ultimate in gearing and strength. With over 30,000 units sold, the Atlas 2 speed is the solution for combining both on and off-road performance.

The name is legendary and synonymous with rock crawling and off-road vehicle performance. Atlas Transfer Cases have won over the industry for their superior performance, bullet proof design and their ability to get you anywhere you want to go. The Atlas Transfer Case is sure to change the way your vehicle performs off-road. You will benefit greatly by understanding the Atlas characteristics and how to apply them for the ultimate in performance!

Don't sweat it, order in confidence knowing that after placing your order, you will be contacted by one of our technical specialists to nail down the specifics on your application before your order leaves the building. Shop online with confidence knowing you will get the correct transfer case, accessories & support to make your installation a positive experience from the start.

Specifications:

  • Gears.............Helical cut
  • Case.......356-T6 Heat treated Aluminum
  • Weight.....110 lbs. (dry)
  • Bearings......Needle & taper rollers
  • Lubrication.....2.0 Quarts (2 liters)

Gearing:

  • High range.....1:1
  • Low range......2.0:1, 3.0:1, 3.8:1, 4.3:1

Features:

  • Left case drop
  • Bullet proof design
  • Fully synchronized
  • Shift-on-the-fly capability
  • Cable shifters
  • Twin Stick
  • 2WD high, 4WD high,
  • 2WD low (rear axle) - not available on a stock NP241 T/C
  • 2WD low (front axle, allows front dig) - feature not available on a stock T/C
  • 4WD low

Available Options:

  • Installation kit which includes 2 Quarts of oil PNX11320

The Atlas is pre-configured which includes the adapter housing necessary when replacing the stock Magna transfer case. 

Atlas includes:   Adapter and spud shaft kit. 303030 Cable shifter kit. The Atlas with GKN flange yokes to retain the stock driveshafts or one with different yoke options . 301603 Site tube.  300477A computer integrated adapter for the elec-tronics.

Retaining the stock driveshafts.  The adapter for the JL & JT puts the Atlas in a similar location as factory, allowing you to retain the factory driveshafts.  These yokes can be swapped out for any Spicer yoke down the road, but it now allows the Jeep equipped Atlas to be back on the road within a day. 

The complete install of the transfer case is approximately 6 hours and the shifter 1 to 2 hours.  The Atlas is built with a 23 spline standard input

 

JL and JT 2018 & newer Jeeps equipped with an automatic transmission will also require a Transmission Control Module flash to operate correctly with the new Atlas transfer case.  Jeep coded the stock transfer case ratio of either the 2.72:1 or the 4.0:1 into this module and any different ratio in the transfer case will put the vehicle into a limp mode.  A Jeep programmer like a Z Automotive or the Vgate OBD2 code reader with the Canbus phone app from jscan, work great.  The exact ratios for the Atlas are required for repro-gramming the module. We round up or down to the decimal on our ratios; however, the Jeep computer module will accept the three places right of the decimal.  The ratios are as follows: 2.0:1 is exactly 2.11:1, 3.0:1 is 3.030:1, 3.8:1 is 3.824:1, 4.3:1 is 4.286:1, and 5.0:1 is 5.048:1.

 

                                                                    

 

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