I have a friend that has pulled a 2012 Redwood RL from Louisiana to the New England states to Washington/Oregon with a Chevrolet 2500 without any troubles. It was a gas engine at that. That's why I say if you have a 350/450 diesel truck why add all this extra stuff, enjoy people.
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2012 Ford F450 Lariat FX4 dually, 2013 Redwood 36FB Red and Black Painted
I am still there. I am at the fuel farm on NAS Pensacola. I thought your heading had retired. They had me with some Seabee's buiding slabs for trailers on base. I have a Uncle, Louis Wright that was a lifer and spent his last 10 or so years with the Blue Angles. I had great duty with Friday, Saturday and Sunday spent in Destin. Good life. I retired from the State of Louisiana as a HVAC Refrigeration Mechanic Supervisor. Just retired July 1, 2012. Small world.
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2012 Ford F450 Lariat FX4 dually, 2013 Redwood 36FB Red and Black Painted