w3grant Posted December 4, 2014 Share Posted December 4, 2014 I have a 1981 Mack I have the vin number. Was trying to find out what it has for an engine and axles. I have the vin if that helps 1M2N191C2BA001031 Thanks for your help. Quote Link to comment https://www.bigmacktrucks.com/topic/37971-1981-mack-motor/ Share on other sites More sharing options...
j hancock Posted December 4, 2014 Share Posted December 4, 2014 The dealer can tell you how that VIN was built.If you take a look on the front axle near the right king pin there will be a FA with a number and that will be the axle info. Example FA 517.The engine block will have a number stamped in the casting of the timing chain in front of the injection pump or the back of the block if a cabover. Example ENDT676 or ENDT673C. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/37971-1981-mack-motor/#findComment-269120 Share on other sites More sharing options...
rsb502 Posted December 8, 2014 Share Posted December 8, 2014 An 81 should have the emissions information plate on the valve cover with the engine rating. As for axles yep just look for tags, if you call your local Mack dealer and talk to an old parts guy they can get you original engine, trans, rears and suspension. Quote "Any Society that would give up a little LIBERTY to gain a little SECURITY will Deserve Neither and LOSE BOTH" -Benjamin Franklin"If your gonna be STUPID, you gotta be TOUGH" "You cant always get what you want, but if you try sometimes you get what you need" Link to comment https://www.bigmacktrucks.com/topic/37971-1981-mack-motor/#findComment-269648 Share on other sites More sharing options...
mackrmodel686st Posted January 6, 2015 Share Posted January 6, 2015 If it is a mack engine, it's most likely a 300 maxi-dyne. Was the most common engine they made back then. The company I work for has one, and used to have another one. Quote Link to comment https://www.bigmacktrucks.com/topic/37971-1981-mack-motor/#findComment-273404 Share on other sites More sharing options...
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