General Transmission Gear Ratios

Listed here are several popular transmissions and their respective gear ratios. If you find that something here is incorrect, please let me know so I can fix it. Also, if you have the ratio's for any unlisted transmissions, please send them to me to add.

Click on a Transmission Model for detailed information (if Available)

Transmission Model
1st 2nd 3rd 4th 5th 6th
4L80-E (GM)
2.48 1.48 1.00 0.75  
4500 (GM)
6.34 3.44 1.71 1.00 0.73  
700R4
3.06 1.63 1.00 0.75  
A40D (Ford)
2.40 1.47 1.00 0.71  
A-518
2.45 1.45 1.00 0.69  
C6 (Ford)
2.46 1.46 1.00  
E40D (Ford)
2.71 1.53 1.00 0.67  
NP435 (Dodge)
6.68 3.34 1.66 1.00    
NP435 (Ford)
6.69 3.34 1.79 1.00    
NP435 (GM)
6.50 3.34 1.79 1.00    
NV4500 (Dodge)
5.61 3.04 1.67 1.00 0.73  
R151F (Toyota)
4.31 2.74 1.33 1.00 0.83  
SM420
7.02 3.57 1.70 1.00    
SM465
6.55 3.58 1.57 1.00    
T18
6.32 3.09 1.69 1.00    
T19
5.11 3.03 1.79 1.00    
T98
6.40 3.09 1.69 1.00    
TF727 (Chrysler, AMC)
2.45 1.45 1.00    
TH350 (GM)
2.52 1.52 1.00    
TH400 (GM, AMC)
2.48 1.48 1.00    
W-56 (Toyota)
3.95 2.74 1.33 1.00 0.83  



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