Posted by John T on December 30, 2015 at 07:01:46 from (66.244.74.181):
In Reply to: Driving Old Mack posted by Moonlite37 on December 30, 2015 at 05:48:34:
Best I recall maybe 40 years ago SO NO WARRANTY. If its a Mack DUPLEX twin stick 10 speed tranny, if you need all gears and are heavy loaded and cant skip a shift,,,,,,,,,,, First gear Low then shift Low/High to high,,,,,,,,Second gear low then second gear high,,,,,,,,,,,,third gear low then third gear high etc etc etc. If not so heavy loaded or no hills ect you could get by with just the 5 gears leaving low/high in high.
Later Macks just used a 5 or 6 speed single stick tranny since the Mack engine could be lugged down before you need to shift UNLIKE A DETROIT that needed a 10 or 13 speed Fuller Road Ranger etc as you cant lug it or it overheats
THATS BEST OF MY RECOLLECTION IT MAY OR MAY NOT BE RIGHT............
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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