6R140 TorqShift vs. Allison 1000 vs. 68RFE

Automatic Transmission Shootout

 

Transmission:

Ford 6R140 TorqShift 6 speed automatic transmission

Allison 1000 6 speed automatic transmission (current version)

Dodge/Chrysler 68RE 6 speed automatic transmission

Applications:

2010 - current Ford Trucks

2010 - current Chevrolet/GMC HD trucks

2007.5 - current Ram Trucks (6.7L Cummins only)

1st Gear:

3.97 : 1

3.10 : 1

3.23 : 1

2nd Gear:

2.32 : 1

1.81 : 1

1.84 : 1

3rd Gear:

1.52 : 1

1.41 : 1

1.41 : 1

4th Gear:

1.15 : 1

1.00 : 1

1.00 : 1

5th Gear:

0.86 : 1

0.71 : 1

0.82 : 1

6th Gear:

0.67 : 1

0.61 : 1

0.63 : 1

Reverse:

3.31 : 1

4.49 : 1

4.44 : 1

Max. Input Torque:

1,400 lb-ft

Estimated. 775 - 800 lb-ft (engine torque)

N/A, same input torque rating designation "8" as 48RE

Weight:

Approx. 350 lbs

Approx. 330 lbs

Approx. 235 lbs