I apologize if I sound a little ignorant, but I know little to nothing about Allis Chalmers, but the trigger lock I assume is to lock it in gear because I didn"t see anything to indicate it had more than 4 forward gears, I wasn"t olooking for anything either so it could"ve been right in front of me and not see it. This tractor is going to go to my step brother but I"m going to get it to my house first and get it running then I"ll likely deliver it to him because he doesn"t have anything that"ll pull it the distance he lives. I apologize I get going and I don"t stop. Thank for everyone"s feed back as I get everyone"s feedback it gives for ways to research.
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