Cribbing. What do you think?

Tom Bond

Member
Going to swap out the WF to a NF. Found a decent 4X4X16' laying around the shop so I cut it into 12" lengths. Think this will safely hold up the front end while I get the work done? Rear tires are blocked front and back. Jacks in a good area to support it? Please bear with me guys. First time and want it to be safe.
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Yours is prettier than min but I did similar when I took the front of the C off. Same idea though, wood and stands
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I always put a piece of plywood on top of the wood cribbing so as to tie the whole thing together and it also gives the jack stand something solid to set on. Mal
 
Look plenty strong from here. I see you chocked the
front of the rear tires. is the back also chocked.
If so good to go.
Lets see a photo how you have the rest of the sissy
step attached. I'm going to have to build one for my
old knees on my RC.

Kirk
 
Looks good. Only thing I'd add is to give it a good shove once the tires are off the ground to make sure it doesn't shift once you unbolt it.
 
looks good.
couple suggestions
Like the other poster, I would add a board/plate to the top
of the blocks so the stands can't try to 'roll' the top blocks in a
bad situation.
Stops the stand feet from trying to be 'splitting wedges' too.

Pictures can be deceiving, but I use bigger wheel chocks.
Those tractor tires climb over stuff pretty easily.
 
Better than what I did last week.
Actually I had more support under the back half, took out the 4's and jack stands while I cleaned up the oil spill, then put them back.
Used my little Kubota FEL to roll the front back on yesterday.
I used a piece of plywood to hold my double high 4x4's together so they wouldn't move around.

 
Likely it will be fine, but I was taught that the cribbing should always get bigger as it goes down for stability. Of course, most of that cribbing was on dirt and holding up buildings, not on concrete...

As for cutting up a perfectly good 16 footer to make cribbing, that would be considered a sin unless you have delusional suppliers who charge the same for a 16 as two 8s. :roll:

If cutting something up (specifically) for what you have shown, instead of 10 short pieces on top and bottom I'd use 5 longer ones.
 
here's how i did mine. Imake steps for the back of 2 cyl jds as well. i took one of those that bolt to the back of the axle and added top pieces, then bolted it under the foot board on my rowcrops. real handy on the one with 14.9-28 tires
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Another 3 1/2 cents worth LOL .... do be cognizant of roll with square lumber, (and somewhere on the back burner in my head) I recall a crane collapse, whereas the dunnage for the outriggers rolled and and it toppled when it lost stability. That is a lot more weight and forces at work, but it does apply on small scale, and is significant being a life/safety issue.

While working in the construction industry, I was involved quite a bit with crane installations, most being hydraulic, on the street in NYC and the dunnage plan was always serious component in the installation. I think a top plate of 3/4 plywood, would likely reduce the possibility of roll.

The lumber you have used appears to be pressure treated southern yellow pine, which can be brittle, though a needle bearing species, its kind of hard and I have seen how 4x4's of this in longer lengths snap when dropped. Just information to share, a top plate, with a few small nails to hold it in place. The point load of the jack would likely compress it so it cannot move.

You can see you carefully centered the jack stand legs and the top level of dunnage, now if one of those legs was close to an edge, that would concern me. I would bet those jack stand legs push into the wood a little, there is enough weight, offset that and roll would be a concern.

I'd take this arrangement over concrete blocks on end. At some point soon I have to split my 850, was nice to see the other photos in this post!
 
Soundguy,
I have my mom's old 1950 C. I love it. Love the ride. I have a 6 ft belly mower. Use it to mow the yard with and pull a 10k dump trailer around. Made a 2 inch receiver for trailer. Haul mulch and gravel from my old gravel pit. The engine has been rebuilt. It runs great, no problems. Well I did have to put new o-rings in lift box. Hope I never have to split it.

BTW, I finally got a Monroe seat for my Jubilee. It's very similar to the seat on the C. Rebuilt the grommets, modified the mounting bracket. It makes it easier for me to get on and off tractor. I'm 5'11", I feel like I'm sitting higher and a little more back. Fits me perfectly. I'll post a pic, now that I've found my camera.
george
 
yup.. i love that C.. i have even hand cranked it a few times when the battery was less than perfect. nimble lil thing...

i have maypop car temp tires on the front.. new tubes. used but good tires. were free.. cheaper than agg tires.
 
I've had most of the cartilage removed in both knees and have a lot of bone on bone pressure. They want to put in new knees but I'm holding out for as long as I can. This part of getting old sucks but still beats the alternative. I now even have the steps on the little farmall cubs.

Kirk
 
I hauled a whole pickup load of concrete debris to the transfer station on Friday.
Right there where I unloaded were five 6X6s about 10' feet long.
Nice shape, not rotted, etc.
Free for the taking.
I looked at them for a couple of minutes debating whether I should take them.
But I had to go to Home Depot to buy some plywood and cement board so I left them there.
Seemed a real shame to leave them for the landfill.
 
Have a helper on my 4600 and that 941 I got earlier this year that STILL is parked at the barn with a flat. :)
 

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