I have the Garmin RV760 LMT. I love it. The LMT means lifetime maps and traffic. On a recent trip to Portland it advised me to take the trucker's lane bypassing the interchange. I kept wondering why until I saw the low overpass that it saved me from. You enter the height, weight, width, and GVWR and it will route you around any problems. The main difference between the DEZL (trucker's version) and the RV is the points of interest. The DEZL shows truck stops while the RV shows campgrounds, etc.
I keep it mounted on the curved section above the displays behind the wheel. It is a lot easier to see the readout on the GPS than glance down on the displays.
The only downside is that it shows truck speed limits, not auto speed limits. So it mostly shows 55 MPH on the freeways, not the 65 or 70 MPH that a 2 axle truck is allowed to go. But the DEZL will show the same. It is a minor inconvenience. I have requested that Garmin fix this on the next update.
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