Re: Storing Tractors in Historic Barn

Posted by Hugh MacKay on December 14, 2005 at 04:05:34 from (209.226.247.146):

In Reply to: Storing Tractors in Historic Barn posted by PurdueAg on December 12, 2005 at 18:46:16:

Tony: One of the main concerns with these older barns is not so much floor planking but rather floor joists and beams below and how far apart they are. The other consideration is the actual pounds per square inch the tractor exerts. With factory original tire equipment ther is little difference in pounds per square inch between any of Farmalls A, C, H or M. Often times the small tractors can be more dangerous than the larger tractors. You get a floor with 2" planking and floor joists 24" apart the big tires tend to spread the load better.

I had two of these barns on my farm; first one was 12' span between beams with 2x12 floor joists on 16" centers and floored over with 2" planking. The second barn was 12' span between beams with 3x10 floor joists on 24" centers and floored over with 1" + 2" boards for total thickness 3'. We had driven over these floors for years with tractors all the way from SA to 1066, never a problem. The first breakage was a single axle dual wheel truck with load of hay. Even though much lighter than 1066 and about same as 560 and 656 the pounds per square inch are double what tractors are. That broke a floor joist, didn't go down just broke the joist.

The nasty one however was skidsteer loaders and they broke actual flooring, nothing below. Problem was worse with 3" flooring and 24" center floor joists although we did go through 2" flooring on 16" center floor joists couple of times. Those little loaders on 16" tires weighed as much as a Farmall 300.

These guys are right your should have an engineers advice. Very important that your engineer also knows what you intend to drive on that floor as well.

Replies:

• Re: Storing Tractors in Historic Barn PurdueAg 05:33:21 12/14/05 (0)

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