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I need help identifying transmission jacks I inherited from my grandfather

paul123wxyz

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Joined
Aug 14, 2025
Messages
7
Hi, I would like to figure out what brand and model these transmission jacks are, I inherited them from my grandfather, he used them commercially in the 1970's in his automotive repair shop, I have tried searching for all the major brands online that I can remember but have came up with nothing, for some reason I think they could be Sunex but I am not able to find a picture of one that looks anything like these, I think I have one complete and working right now but I would like to find parts to keep them both working, thanks for looking!
 

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finn

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Mar 27, 2005
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Location
The UP, God's country
They have an American or Japanese made vibe to them. Probably from the same manufacture based on the pontoons the wheels attach to and the similar tubular bars.

I would guess Sears, because they remind me of my Japanese built Sears jack I bought in the late seventies.

I have no jack credentials, though, other than I own that old Sears jack and several newer Chinese private label jacks.
 
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paul123wxyz

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Joined
Aug 14, 2025
Messages
7
Those jacks were made by the Wudel company...1000lb rating.
Model 700.
I bought one new in 1972...was $250.00.
Still use it today...
Thank You!, I do believe you have identified them, much appreciated!
 

Gmonkee

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May 9, 2010
Messages
2,923
I made a trans plate that fit in the hole on the lifting part of the jack from scraps. Just remove the stock cup and pop it in.

It has probably done hundreds of backhoe transmissions since it was made.
I used 1/4" plate, thick angle iron and random scraps off the floor..
Thinking back it never occurred to me to go buy one, or even ask the boss if he wanted it made.
He just came back from lunch owning a new tool.
 

c39er

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Mar 23, 2008
Messages
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Location
Seattle, Washington
Some time I too will use my Wudel on a 580K shuttle job.
 

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