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Thread: Recommended distance above truck bed

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    Junior Member
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    Recommended distance above truck bed

    HI;

    Can anyone tell me what distance I should strive for between a fifth wheel underside that rests over the truck bed and the sides of the truck itself.?

    I have heard at least 6"

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    Senior Member caissiel's Avatar
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    Re: Recommended distance above truck bed

    It about right for me to
    5 1/2 to 6" has been good for me.
    Barbara and Laurent, Retired teacher and maintenance/engineering,Full Timing
    Mods: Hydraulic selector valves, Queen bed, heavier front closet rod, W/D door swing changed, 2" rear hitch. 2" pin box hitch.Added build in water filter, Replaced HW Tank Fittings. Modified 2 ceiling vents. Relocated shocks to 60deg. 9/16" U-bolts and spring plates.Center 7500 lbs Scissor Stabilizer Jacks. Hawkshead TPMS. Reinforced kitchen sink supports.More supports and longer rails to couch drawer. Modified bedroom steps for storage. Modified landing gear jacks, etc.
    2005 Ford F250 SD, XL F250 4x4, Long Box, 6.0L Diesel, 6 Speed Stick, Use ScangaugeII for Economy, available 60 XGauges and Scanner, Fuel Pressure Gauge, Max Energy by Hypertech set at 85HP for cooling, torque and economy. ELC Coolant and Filter and EGR cooler deleted. 2 added 1300lbs each spring plies, Fuel mileage 21 MPusG empty, 12.6 MPusG pulling the BC. 6.2" din2 touch screen car Radio with DVD, TV, CD,SD,USB, GPS and Rear Cam,

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    Southeast Region Director, HOC Nabo's Avatar
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    Re: Recommended distance above truck bed

    Our dealership recommended between 6-7 inches, making sure that the coach is pretty level. We had to lower the hitch one notch down to help make the coach travel level which made the clearance about 6.5". After we got the TrailAir Tri-glide pin, we had to lower the hitch down again but still have the clearance.
    Nathan & Byrd
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    Founders of SoCal Chapter Bob&Patty's Avatar
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    Re: Recommended distance above truck bed

    I would stay at 6" or 7". Not TOO high or your coach will be "nose high". When you get your coach. Load it up, park somewhere flat and see how it sits. The you can ajust from there.
    Bob (Old cranky), Great wife Patty, 5 great kids, 11 grandkids

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  5. Print this Post   #5
    Junior Member
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    Re: Recommended distance above truck bed

    Thanks all...I will strive for 6" if I can...my truck sinks when the Fifth wheel is on it and I raise it up again with air bags. I haven't had a chance to measure the clearance yet, but think it's between 5 and 6 now (eyeballing it). If it's low, I will raise my hitch up a notch and compensate with the air bag control to bring me back to level

  6. Print this Post   #6
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    Re: Recommended distance above truck bed

    If you get much below 5 inches you have a really good chance of rubbing when you go through dips. I like to be at 6 inches or close to that with everything level. With the 4WD higher trucks it is a good thing most of the HL products sit on the high side. Many coaches out there don't.
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