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Nobody454

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  1. my pete had 3.90  with an 18 spd and 550 cat. never once had a problem with local dump work, but a lot of that is the motor also  my 12 mack had 3.55 and 13 spd  with 445 mp8.  never had a problem, but i've also done this for 20 years and keep out of most situations where i'll break something or get stuck too bad. 3.79 or 3.70 would be right between my two, they would be fine.  3.98 might be a little slow on the highway

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