cbbr said:If none of the above works (b/c you don't know what they are talking about)write down the VIN and go look in a blue book. Not trying to be an ass, but if you don't know the difference b/t a 1/2 and 3/4 ton truck, axle ID may not be on the top of your list either.
tenpack said:1500 is a 1/2 ton, 2500 is 3/4 , and also if you know what engine you have, you can usually tell.
maybe where YOU'RE from. where I come from those are both 1/2 ton axles. just count the lugs, this is the failsafe method. don't worry about what motor it has is it ( ) or what frontend it has, jsut count the lugs and there will be your answer.ROCKKRAWLER82 said:Usually 3/4 ton will have a 12 bolt rear end and the half will have a ten