Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor

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Linkage inside gear box does not engauge. Mechanics work to the bolt on top of the bottom gear (differential) box. Neither forward nor reverse work.

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Most likely a hydrostatic transmission and most likely it is dead. Buy a new one or look around on google and craigslist for a used one. Maker and model number will be printed on top and possibly stamped on the bottom. New hydrostatic transmissions cost more than a new mower.

Posted on Apr 01, 2011

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Shifter is erratic. wont start in park. drives forward when shifted to reverse, sometimes drives forward when in park. sometimes reverse is neutral (which is good so it will start!!!) what is going on???

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Why doesnt my car go in reverse the reverse lights go on and it kicks but no movement

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I have an MTD mower tha tis ver jerky in forward, reverse is fine. What could it be? The trans is about 2 years old. I thisnk it could be the clutch plate or the differentital, however, reverse works fine...

Assuming that the model you have is a single speed transmission with variable speed belt system and that the mower has never been used to tow anything heavier than a dump cart. 9 times out of 10 its usually the forward gear shift key not allowing it to go all the way into forward gear. Might be able to ajd the shift linkage to acomodate a tighter mesh with the input and ring gear

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i think you meen you only have reverse and no forwards gears?
if so its likley to be the linkage for forward gears look at the gear box to see if any thing is hanging off a cable or push rod it could also be up in the car under the gear leaver

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pull top off of transmission and see if any thing is broke or jumped out of shifter linkage pull top plug out of 1/2 to 3/4 up from bottom fill until overflow

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