I was tiring of messing around trying to get my JLUR and GMC pickup jacked high enough to do work under it. Additionally, I'm about to lift my JLUR and put 37s on it. So, jacking it will be an issue.
I decided to modify my 3 ton aluminum jack. I have a couple others that are steel, a Sunex 6602LP, which I think is good for 23", and another standard 3 1/2 ton that can get to about 18-19".
Here's the mods. I machined a puck to bolt to the jack pad, then cut a piece of 4" O.D. aluminum pipe x 1/4" wall and turned each end square, then the upper pad simply drops in the pipe to a shoulder and it's threaded to bolt on attachments like an axle saddle or frame saddle.



I decided to modify my 3 ton aluminum jack. I have a couple others that are steel, a Sunex 6602LP, which I think is good for 23", and another standard 3 1/2 ton that can get to about 18-19".
Here's the mods. I machined a puck to bolt to the jack pad, then cut a piece of 4" O.D. aluminum pipe x 1/4" wall and turned each end square, then the upper pad simply drops in the pipe to a shoulder and it's threaded to bolt on attachments like an axle saddle or frame saddle.



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