4R100 vs. Allison 1000 vs. 47RE

Automatic Transmission Shootout

 

Ford 4R100

Allison 1000

Chrysler 47RE

Transmission:

Ford 4R100 4 speed automatic transmission

Allison 1000 5 speed automatic transmission

47RE 4 speed automatic transmission

Applications:

1999 - 2003 Ford Super Duty

2001 - 2005 Chevrolet/GMC HD

1996 - 2002 Dodge Ram

1st Gear:

2.71 : 1

3.10 : 1

2.45 : 1

2nd Gear:

1.54 : 1

1.81 : 1

1.45 : 1

3rd Gear:

1.00 : 1

1.41 : 1

1.00 : 1

4th Gear:

0.71

1.00 : 1

0.69 : 1

5th Gear:

N/A

0.71 : 1

N/A

Reverse:

2.88 : 1

4.49 : 1

2.21 : 1

Max. Input Torque:

1000 lb-ft

520 - 565 lb-ft

450 lb -ft (Chrysler strength designation "7")

 

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