I own the Garmin T 465 and have used it for over 10,000 miles and it has not failed me yet. Just program the dimensions and weight of you MH and it does a great job of taking care of you. It even warns you of steep downgrades and other trucker concerns.
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2007 Tourmaster T 40 A
Toad - 2011 GMC Sierra 4X4 extended cab
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