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Old 10-01-2013, 07:31 AM   #1
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Default Freightliner M2 Build

First, thanks for the website and all the ideas. We would like to show our build as a sort of repayment. "We" are : my son Robert, 29 yrs old, sheet metal worker and our main welder. My son Ryan 26 yrs old who is a machinist. As for me, I just retired from 36 years as lab tech/production supervisor/superintendent at The chemical company. We have been drag racing and building our own dragsters since Robert was 8. So besides their full time jobs(with OT), drag racing on weekends, drag racing side jobs, and taking care of their homes, they are pretty booked. I try to organize everything during the day to make the most of their time in the evenings. So let the build begin.
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Old 10-01-2013, 07:39 AM   #2
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Default 8/15/13 - Day 1

Main rails are 3 x 5's with the rest of the floor 2 x 2's.
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Old 10-01-2013, 07:44 AM   #3
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Default 8/16/13 - Day 2

Floor Complete
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Old 10-01-2013, 07:56 AM   #4
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Default 8/23/13 - Day 9

Took 4 of us to lift and slide the floor on truck. We used oak boards between the truck frame and floor. Made our own u bolts with all-thread and 4 side plates to keep it all in alignment. Hopefully we are not too rigid.
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Old 10-01-2013, 08:02 AM   #5
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Default 9/2/13 - Day 19

Wall one complete. Its made out of 1.5 x 1.5 tube. We tack welded the tube on the left side to the uprights to keep them in line till the were welded I place on the frame then it was removed.
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Old 10-01-2013, 08:10 AM   #6
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Default 9/5/13 - Day 22

Not as smooth as I hoped but one wall is up.
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Old 10-01-2013, 08:16 AM   #7
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Default 9/6/13 - Day 23

Wall two is up and roof supports going in.
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Old 10-01-2013, 08:30 AM   #8
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Default 9/22/13 - Day 39

The wall were mainly tack welded so over the last week, everything got fully welded then all surface welds had to be ground smooth. In the meantime, we had to cover it with a tarp. What a pain! The box will be almost 26 ft long.

For leveling jacks, we went with HWH system designed for a Ford chassis. We only had to modify the rear crossbrace as it was too long. 9000 lbs jacks up front, 6000lbs in the rear. Our frame is taller then the Ford so the jacks are 5 inches off the ground further then designed but nothing a 4 x 4 pad won't fix if the ground is very bad. This thing will mainly be at drag strips which are about as flat as you can get!
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Old 10-01-2013, 08:51 AM   #9
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Default 9/25/13 - Day 42

For the roof underlayment, we used 3/4" plywood so if we want to, we can walk on it as an observation deck. We made our box 101" wide to get the most space possible. My suggestion to anyone thinking of a similar build, go with 96". A 4 x 8 sheet will not work for our roof, floor or ceiling without adding a small filler piece. That sucks.
The lower compartment rear wall welded in place. Trailer hitch was fabricated and bolted in place earlier.
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Old 10-01-2013, 09:02 AM   #10
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Default 9/26/13 - Day 43

In our "spare" time we have been screwing and tack welding in sheet metal under the floor tubes. That's to hold the rigid insulation and to act as the lower compartment ceiling. I did a lot of this welding so not all of them are the prettiest. Glad it all gets covered and no one will ever see them. I can MIG something like this but I don't do any of the structural stuff. All the edges will be filled with Great Stuff when the insulation goes in to seal it all.
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