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Mack 2070 transmission speed ratio

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Can anyone tell me what the speed ratio's are on a Mack T2070 transmission for reverse on up. I have a customer changing it to a T2080 and wants to know what the difference is. Thanks for the help please.

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T2070A     1st lo 14.16, 5.24, 8.25, 3.05, 1.73, 1.00, .60 

                   Rev low 14.53 and reverse high 5.38

 

T2070B   is same forward gears as above but there are 3 reverse with 12.42, 7.23, 4.12

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