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The butcher truck that would come out to butcher our cattle had a similar setup to what I think you're talking about. It swung out from against the back door of the refer cargo box. It was strong enough to lift a 2000 lb bull (minus the guts)

Here is a video of the first test of the modified tire crane. I put on my sexy steel pot helmet in case something snapped overhead, but everything went fine and there were no hang ups or hesitations with any of the equipment. Tire crane in motion

Thanks!

Oh, you betcha. I haven't contributed much lately so it's about time to throw out another thread. It's reassuring having a way to offload the spare and I'm hoping I never have to change a tire.

The last detail besides grip tape on the ammo can. This piece with a strap locks the stowed mast to the lower mast to eliminate any wobbling fore and aft.

The pair of Beachwood Canvas chain covers arrived today so one went on the hold down chain over the tire and the second one I put on the lower chain since it wouldn't fit over the hook of the chain that lifts the tire. Here is a funny picture I should've added before. I've been having...

A good sized ammo can got bolted to the crane to store accessories and tools and stuff. I'm planning to add grip tape to the lid so it can double as a step stool to get up high enough to crank on the boat winch. I had to drill two new holes closer inboard on that plate to get the ammo can far...

Now it's time to peal back the cover, remove some bows, and assemble this beast to do a function test! Wow this thing is tall! With the 525 lb tire suspended by the crane at full reach the telescoping tube pulled down slightly and that was it. No scary squeaks, groans, or popping...

This is the first mockup attempt to see if reality matches the computer world and it came out pretty close...well, close enough. I was really hoping that the original spare tire anchor parts wouldn't interfere but I won't know until I get a tire loaded up. The boat winch sat a little...

The upper mast has some really fun mods done to it in order to facilitate both moving the spare out of the bed and also bringing it back in. @HanksDeuce added a come along to his crane to help with this so I found a nice boat winch with a strap instead of a cable and made a mount for it to...

Here are some of the parts I designed and had laser cut at work. The gussets are missing but you can see the stowed mast base mount, the boat winch mount, the end stop hoop, and the new top cap for the trolley. With the base frame done, next up is the lower mast which needs its diagonal...

My big project for this year was to build a davit crane to handle my 16.00R20 spare tire and since Jim's price for a used crane at army6x6parts was decent enough I chose to modify an existing A1/A2 crane instead of starting from scratch. This ISO bed davit crane was the inspiration for how to...