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Atlas T/C - Input Shaft splines with Adapter Options

Choosing the Proper Input Shaft:

There are currently over 20 different Atlas input shafts in production today, varying in length and spline count. To completely understand your particular need when it comes to Atlas inputs first you have to look to the transmission that it will be mating to, and if any special adapters will be needed. Below is a list of the most popular transmissions currently being used today and the requirements for mating up to the Atlas. If your application is not listed below, it does not necessarily mean that we don’t have anything for you, it just may take a little more work to make it happen and will require call for further assistance.

Jeep Transmissions

Make Model Config Speeds Output Splines Adapter Required Adapter Number Input Spline Required
JEEP T98 4wd 4 6 Yes PN50-7503 Jeep 23 Spline
JEEP T18 4wd 4 6 Yes PN50-7502 Jeep 23 Spline
JEEP T4 4wd 4 23 No Stock OEM Jeep 23 Spline
JEEP SR4 4wd 4 23 No Stock OEM Jeep 23 Spline
JEEP T5 4wd 4 23 No Stock OEM Jeep 23 Spline
JEEP T176 4wd 4 23 No Stock OEM Jeep 23 Spline
JEEP AX4 4wd 4 21 No Stock OEM Jeep 21 Spline
JEEP AX5 4wd 5 21 No Stock OEM Jeep 21 Spline
JEEP AX15 4wd 5 23 No Stock OEM Jeep 23 Spline
JEEP NV3550 4wd 5 23 No Stock OEM Jeep 23 Spline
JEEP NSG370 4wd 5 23 No Stock OEM Jeep 23 Spline
JEEP BA10/15 Peugeot 4wd 5 21 No Stock OEM Jeep 21 Spline
JEEP AW4 4wd 4 21 or 23 No Stock OEM Jeep 21 Spline or Jeep 23 Spline
JEEP Torqueflie 727 4wd 3 23 No Stock OEM Jeep 23 Spline
JEEP Torqueflie 999 4wd 3 23 No Stock OEM Jeep 23 Spline
JEEP 42RLE 4wd 4 23 No Stock OEM Jeep 23 Spline (Short for 42RLE)
JEEP 5-45RFE (2004 ZJ with 4.7L) 4wd 4 23 No Stock OEM Jeep 23 Spline (Long)
JEEP A580 (NAG1) 2012-18 auto 4wd 5 26 No Stock OEM Jeep 26 spline

GM Transmissions

Make Model Config Speeds Output Splines Adapter Required Adapter Number Required Spline
GM SM420 2wd or 4wd 4 10 Yes PN50-9702 Jeep 23 Spline
GM SM465 4wd 4 10 Yes PN51-9807 GM 10 Spline
GM SM465 2wd 4 35 Yes PN51-9807 Gm 35 Spline
GM NV4500 4wd 5 32 Yes PN51-0205 & PN51-0220 GM 32 Spline or GM 32 Spline (Heavy Duty)
GM Powerglide 2wd 2 27 Yes PN50-9200 GM 27 Spline
GM TH350 2wd 3 27 Yes PN50-6802 Jeep 23 Spline
GM TH350 4wd 3 27 Yes PNAS-6800 GM 27 Spline
GM TH400 2wd 3 32 Yes PN51-6400 GM 32 Spline or GM 32 Spline (Heavy Duty)
GM TH400 4wd 3 32 Yes PNAS-6401 GM 32 Spline or GM 32 Spline (Heavy Duty)
GM 700R4 2wd 4 27 Yes PN50-9102 GM 27 Spline
GM 4L60 2wd 4 27 Yes PN50-9102 GM 27 Spline
GM 4L80 & 4L80E 4wd 4 32 Yes PN51-6408 GM 32 Spline or GM 32 Spline (Heavy Duty)
GM 700R4 4wd 4 27 Yes PNAS-9111 GM 27 Spline
GM 4L60 4wd 4 27 Yes PNAS-9111 GM 27 Spline
GM 4L60E 2wd 4 27 Yes PN50-0404 Jeep 23 Spline
GM 4L60E 4wd 4 27 Yes PNAS-9111 GM 27 Spline
GM 4L60E (with removable bellhousing) 2wd 4 27 Yes PN50-0430 Jeep 23 Spline
GM 4L60E (with removable bellhousing) 4wd 4 27 Yes PN50-9300 Custom 23 Spline (for short 4L60E Adapter)
GM 4L60E (with removable bellhousing) 4wd 4 27 Yes PN50-0405 & PNAS-9111 GM 27 Spline
GM 6L80 GM Auto 4wd/2wd 6 32 Yes PN50-9600 32 spline
GM 6L90 GM Auto 4wd 6 29 Yes PN50-9600 29 spline
GM 8L90 Gm Auto 4wd 8 32 Yes PNAS-8603 32 spl. (Atlas is GM case unit)

Ford Transmissions

Make Model Config Speeds Output Splines Adapter Required Adapter Number Input Spline Required
FORD T98 2wd or 4wd 4 31 or 28 Yes PN50-7503 Jeep 23 Spline
FORD T18 2wd or 4wd 4 31 or 28 Yes PN50-7500 Jeep 23 Spline
FORD T19 2wd or 4wd 4 31 or 28 Yes PN50-6501 Jeep 23 Spline
FORD NP435 2wd or 4wd 4 31 or 28 Yes PN50-3801 Jeep 23 Spline
FORD ZF 4wd 5 31 No Stock OEM Ford 31 Spline
FORD C4 (1966-1977 Bronco Only) 4wd 3 28 No Stock OEM Ford 28 Spline
FORD C4 4wd 3 31 or 28 Yes PN50-8100 Jeep 23 Spline
FORD C4 (short style manual valve body) 4wd 3 31 or 28 Yes PN50-2905 GM 27 Spline
FORD AOD 4wd 4 31 No Stock OEM Ford 31 Spline
FORD C6 4wd 3 31 No Stock OEM Ford 31 Spline
FORD 6R80 4wd 6 31 Yes PN50-3900 Short 31 spl input
FORD 10R80 4wd 10 31 Yes PN50-3900 Short 31 spl input

Dodge Transmissions

Make Model Config Speeds Output Splines Adapter Required Adapter Number Input Spline Required
DODGE NV4500 4wd 5 23 No Stock OEM Jeep 23 Spline
DODGE NV4500 4wd 5 29 No Stock OEM Dodge 29 Spline or Dodge 29 Spline (Heavy Duty)