nasty habit Posted March 11, 2009 Share Posted March 11, 2009 i just got a 1966 b-75 twin screw. i was trying to decode the vin so i could see what it started life as. it now has a fifth wheel but i can see where it may have had a dump box on it. where do i go to decode the vin? thanks vin. no. is B75LS2740 Quote Link to comment Share on other sites More sharing options...
Mike Posted March 11, 2009 Share Posted March 11, 2009 Not trying to give a short answer but, if you look down a couple of posts where it says " VIN BREAKDOWN" you will find the phone # of the Mack Museum. They are a world of help and have a world of information that you need for your truck.Regardsmike Quote Link to comment Share on other sites More sharing options...
mackmixer Posted March 12, 2009 Share Posted March 12, 2009 Look at oldmacksrus.com under B model infoB75LS B-75 made from 55-66 no. produced 1,619 in chassis versions T, LT, S, LS, ST, LST L - light weight or weight reduced by using aluminum components S - six wheel chassis (tandem axle) I assume that started with chassis no. 1000 or 1001. As said above, the Mack Museum can document your truck with copies of the original order no. and build sheets of how it was fitted. Write or call them Quote David Link to comment Share on other sites More sharing options...
b61fred Posted March 12, 2009 Share Posted March 12, 2009 hi,as your number reads, The letter T in the serial number would mean it is a tractor... no T so it was not intended to be a tractor... but anything is possible.. It could have been built as a dump.. but with the light wieght components ( the L in the serial) I dont know how it would stand up to off road service, I have a few 75's and 73's that are light weight and have alum. spring hangers that have snaped off the frame from dump service. Fred Quote 15 gears...no waiting! Link to comment Share on other sites More sharing options...
nasty habit Posted March 13, 2009 Author Share Posted March 13, 2009 thanks i will call the mack museum. thanks Quote Link to comment Share on other sites More sharing options...
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