Shearer Posted September 13, 2016 Share Posted September 13, 2016 First time forum user. Have recently purchased a 1978 R686 ST that I have been driving over harvest for last three years for a mate. Wondering where to check Vin and engine nos to find original colors and to check that it's fully original. Has the gold dog and twin stick.Wondering if built in Aus or imported from US. 1 Quote Link to comment Share on other sites More sharing options...
alex g Posted September 13, 2016 Share Posted September 13, 2016 Welcome aboard. Your vin # on the door will decode everything for you. Give the # to your local mack dealer and they will be able to tell you anything you want to know Sent from my SM-G386W using Tapatalk Quote Link to comment Share on other sites More sharing options...
BillyT Posted September 21, 2016 Share Posted September 21, 2016 Welcome to the forum! The gold dog(if original) indicates an all Mack powertrain.A quick visual would be both sticks emanating from one gearbox,indicating a mack built "compound",as opposed to a planetary between two driveshaft "a Brown Lipe or Brownie".As Alex indicates you're Mack dealer can decode the numbers for you. It's good in my opinion that you want to retain the original color on an older truck, good luck! Quote Link to comment Share on other sites More sharing options...
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