The Howard gear reduction unit mounts to the back of the regular transmission housing and has a shift lever on the side cover where the dipstick was located.

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For some applications such as trenching or running a rototiller, a lower ground speed was needed while still maintaining the higher pto speed. To accomplish this, some transmissions were made to install behind the tractor transmission rather than in front like the Sherman and Hupp.

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In the later ’50s Sherman offered the shuttle or reverser transmission that simply reversed the input to the regular transmission and gave you all the normal forward speeds when you were going backwards.

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In the later ’50s Sherman offered the shuttle or reverser transmission that simply reversed the input to the regular transmission and gave you all the normal forward speeds when you were going backwards.

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Following the popularity of the Step-up/Step-down Combination transmission was the Sherman “special purpose” or “creeper” single Step-down transmission.

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