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  1. #1
    Platinum Member
    Join Date
    Jun 2003
    Posts
    556
    Location
    Minnesota
    Tractor
    JD 990 4WD

    Default DIY truck bed

    I have a stock 2001 F-150 shortbed that I am building a new flatbed for and I had a couple questions you guys might have an answer for.

    The first question is how much travel on the rear wheels do I need to allow for? I will be putting helper airbags on the truck so squatting from heavy loads shouldn't be much of a problem... just the normal travel from hitting bumps.

    I would like to extend the frame about 18" so I can move the bumper out and put an 8' bed on the truck. Are there bolt-on kits to do this? If so, where can I find one?

    Thanks.

  2. #2
    Elite Member wushaw's Avatar
    Join Date
    Mar 2005
    Posts
    3,075
    Location
    Bristol Texas
    Tractor
    Kubota L2800, 15 hp 372 Mitsubishi

    Default Re: DIY truck bed

    </font><font color="blue" class="small">( I have a stock 2001 F-150 shortbed that I am building a new flatbed for and I had a couple questions you guys might have an answer for.

    The first question is how much travel on the rear wheels do I need to allow for? <font color="red"> Measure the distance between the differential and the up stops for necessary clearance
    </font>
    I will be putting helper airbags on the truck so squatting from heavy loads shouldn't be much of a problem... just the normal travel from hitting bumps.

    I would like to extend the frame about 18" so I can move the bumper out and put an 8' bed on the truck. Are there bolt-on kits to do this? <font color="red"> Not that I am aware of. Be careful of adding too much overhang to the frame as to not overload it.</font> If so, where can I find one?

    Thanks. )</font>

  3. #3
    Silver Member valleydweller1's Avatar
    Join Date
    Sep 2005
    Posts
    215
    Location
    Willamette Valley, Oregon
    Tractor
    Kubota B7510

    Default Re: DIY truck bed

    </font><font color="blue" class="small">( The first question is how much travel on the rear wheels do I need to allow for? Measure the distance between the differential and the up stops for necessary clearance )</font> Add a couple inches to that, as the bumpstops will turn into pancakes when hit hard.

    </font><font color="blue" class="small">(
    I would like to extend the frame about 18" so I can move the bumper out and put an 8' bed on the truck. Are there bolt-on kits to do this? Not that I am aware of. Be careful of adding too much overhang to the frame as to not overload it. )</font> Yes, be very careful. You will be adding a bunch of overhang weight; it will be sort of like putting a ton of tongue weight on your bumper. Maybe sell it and buy a long bed? <font color="red"> </font> <font color="red"> </font>

  4. #4
    Platinum Member
    Join Date
    Jun 2003
    Posts
    556
    Location
    Minnesota
    Tractor
    JD 990 4WD

    Default Re: DIY truck bed

    I didn't think of the stops thing but that is easy enough... thanks.

    I don't see a problem with the extra length (assuming the truck is loaded properly), since hauling stuff with the tailgate down gives you an 8 1/2 foot bed to work with. And of course a trailer can easily put 1000 lbs of down force behind the rear wheels. I don't plan to do anything crazy like load up 2000 lbs at the very back. Square hay bales and lumber is about all it will haul.... so the load would be evenly distributed. Of course if nobody makes anything like that I am pretty much out of luck anyway. It's not something I'd have the equipment to fabricate.

  5. #5
    Platinum Member bobodu's Avatar
    Join Date
    Mar 2004
    Posts
    954
    Location
    Whitley County,In.EIEIO
    Tractor
    Farmnought.Gravely Model L,Gravely Model LI,1941 Clinton two wheeler

    Default Re: DIY truck bed

    I don't think 18 inches is going to be a problem either.You can always run a couple of 4 X4 s the length of the frame.I may have a problem with my homemade dump because of the weight on the tail,but I beefed it up pretty good and ,like you...I ain't planning on hauling M1A1s...

  6. #6
    Gold Member
    Join Date
    Nov 2004
    Posts
    299
    Location
    granbury tx
    Tractor
    sears suburban

    Default Re: DIY truck bed

    Most manufactored flat beds have main runners from front to back on top of the frame and these are what the so called bumper/ hitch are welded to. If you are wanting to run the stock bumper, just weld mounts for it.
    http://www.cowcountrysales.com/truck_beds.htm
    Notice how hitches/bumpers are part of bed.

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