GM and navistars new 4500 to 6500 trucks.
Wondering if stopping at 22,000 on the 3500 trucks is because the new trucks of 4500 and up are due out real soon ?? They will be GM body and duramax with navistar frame . My good friend works for nav...
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I was thinking perfect timing to replace my current truck then I saw the engine choices, no Duramax?
