Tow Rig ?

Bart

Registered User
Location
Arm Utah
That V10 is a decent motor and you got the manual tranny. Looks like a good truck for what you have in mind. I really like the idea of hauling the buggy on the back. I want to watch this closely and may follow suit down the road.
 

Bucking Bronco

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Location
Layton
Congrats on the truck, looks like a good fit. How long is the bed?

The bed on this is only 9' so its going to have to be extended 3' (at least) so it will put some weight hanging off the back.

Here are some numbers if you want to do the math and tell me if it is too much or have some recommendations

Wheel Base 176"
weight on front axle 3,829
Weight on rear axle 3,068 (This does not include the weight of the bed)
Total weight 6,897 (This does not include the weight of the bed)
Payload Capacity 8,100
Distance from cab to center of rear axle 60"
Distance from center of rear axle to end of bed 48"
I think we have decided my buggy weight somewhere around 4000lbs

I think I would like to extend it 4' but angled from the top of the bed to the height of the receiver

My travel trailer I will be hauling weighs approx 3500lbs with the gear and maybe has a 300lbs tongue weight
 

Bucking Bronco

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Location
Layton
How do you know weight on the rear axle without the bed? Did they weigh it before the bed was installed?

What is the rear axle capacity? What axle is it?

I got the weights from this, which is a really cool site if you want general info on fords. the weight is for a cab and chassis trucks and depending on options the weight can be different. But the truck is as stock as it can be.

http://www.clubfte.com/users/monsta/SuperDutyFAQ.html

Its a Dana 80 Rear
These numbers came from the tag on the door
GVWR 15000lbs
FAWR 5600lbs
RAWR 11000lbs
 

Corban_White

Well-Known Member
Location
Payson, AZ
What about some ramps that will put the front tires up on top of the headache rack? that would decrease the distance off the rear, shift some weight foward, and give you some storage space on the bed.
 

Bucking Bronco

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Location
Layton
The headache rack is 40" tall But I would prefer not to build it to where I drive over it.

from the bed to the receiver is 22" so if it was 48" extension angled down 22" (I am too dumb to figure the math)

Looking at the bed I would assume 1000lbs all the cross members are 4" channel and the deck is 1/8 diamond plate

Yes on the buggy weight
 
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Adding a 3' dovetail, 4000 buggy, and assumed 1000 lbs bed (total with dovetail), you would add 5170 lbs to the rear axle for a total of 8238 on the rear axle. The front axle gets unloaded by 170 lbs...but that would be offset by added passengers and any gear forward of the rear axle.

Your trailer hitch would be 80-84" behind the rear axle...so roughly every 2 lb of tongue weight unloads the front 1 lb...and adds 3 lb to the rear axle. 400 lbs tongue means front is 200 lbs lighter (370 if you count the amount above) and 600 lbs on the rear (which it can easily handle)
 
The headache rack is 40" tall But I would prefer not to build it to where I drive over it.

from the bed to the receiver is 22" so if it was 48" extension angled down 22" (I am too dumb to figure the math)

Looking at the bed I would assume 1000lbs all the cross members are 4" channel and the deck is 1/8 diamond plate

Yes on the buggy weight

I would keep the extension as short as possible; according to my graph paper, 36" would be adequate. You're gonna want to suck the buggy as far forward as possible. If you make the extension longer, then you will make the towing arrangement worse.

I assumed 12" of drop...if you go 22" drop, then a 42" diagonal would result in an extension of 36".
 

Bucking Bronco

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Location
Layton
What I was thinking is making the ramps overhang what will be the new receiver hitch so it will be closer to the 36" and then I just have to worry about is that the trailer does not contact the dove tail when turning

I think I am going to try and keep it about 16" drop so when I pull out of parking lots I dont drag on everything
 
I've attached the simple graph paper sketch, including the summation about the front axle to give the rear axle loading. The numbers used in the equation (34, 44, 63) can simply be multiplied by 4 to get the actual inches.

If you add 5000 lbs to a vehicle (4000 + 1000), and the resulting load on one axle is 5170 lbs, then 170 must be subtracted from the other axle...hence the load on the front axle getting lighter from both the buggy/bed and the anticipated trailer.

Btw, I would recommend using an equalizer hitch setup on the trailer just to keep the front wheels planted...especially if you ever end up towing someone elses rig on a flatbed trailer. Or mount a big beefy winch bumper with slots for weights :D
 

Attachments

  • flatbed.pdf
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Bucking Bronco

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Location
Layton
I just went out and measured and If I get the front tires up as far as they will go and measure to where the contact of the rear tires leave the ground is about 11' 8" so if I build it so it extends out the 36" leaving me a little room for error. keeping the portion that will act as the new receiver closer to 30" off the bed (so a total of only 78" from axle center)

that should help even more.

I was thinking the same thing with the front bumper and winch but weights is even better.

Plus I weigh 240 and I will have plenty of tools in the boxes that are forward of the rear axle so I think I will be ok with just the travel trailer.
 

Bucking Bronco

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Location
Layton
It might be interesting to take it down to the local IFA and weigh the front and then the rear just to see what it actually weighs. (both the buggy and the truck) Does the truck currently have a reciever hitch?

Yes it does have a receiver hitch

I plan to weight it. I was going to ask mark where he weighed his. so now I know just to go to IFA
 

Bucking Bronco

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Location
Layton
Well I got it inspected today and was pleased when the mechanic told me it looked like the brakes were brand new and he said that the ball joints also looked like they had just been replaced, and it passed with no problems. I still added new front tires and the rear are like new.

The interior was trashed on this thing (Roofers are slobs) But I got a great deal so I am not complaining. and it all cleaned up well. I am going to go get some fabric and re-upholster the seats.

I still have some work to do to get the tar off the door panels but over all I am happy with how well it is cleaning up. Its amazing what 250degree water at 1000psi will do.

Before
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After

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Bucking Bronco

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Location
Layton
I need to turn this into a restore/build thread

I got a little more work done on the front seat

before
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After
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and I know this is the wrong color but for $23.00 I could not pass it up

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