Welcome to you Grump and mrs grump you will enjoy you new truck and 5'er good to have you in the club we also have a 3400 and a 3500 chevy diesel duelly good choice the only advice I can offer is get a good brake control the 3400 is very heavy and my old one didn't do the job also do a good walk through before handing over the check take a close look at all cabinets and cabinet doors for fit and how tight the close a loose door will be a problem trust me lol good luck and hope to meet you on the road
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