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					Originally Posted by Grant Bowker  My apologies, it is the 1542X1 and 1542X3 parts lists I was looking at. | 
	
 Thanks Grant. What was the difference between a 1542 and 1543? Not familiar with the coding system.
I do know X1,X2,X3 etc are export destination codes - see 
http://www.mapleleafup.net/forums/sh...694#post147694
Edit - from the revised link I learned: 
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		| 1542x3 3-ton 160" w.b. 1533x2 3-ton 134 1/2" w.b. with 9.00 x 16 wheels
 1543x2 3-ton 160" w.b. with dual performance axle and 20x6 wheels and single rears
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 So the 154
2 was a regular 3-ton 160" w.b. truck, while the 154
3 was the same but with the Eaton 2-speed axle? If that what "dual performance axle" stands for, that is.