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Allis chalmers 175 power director
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Josh N View Drop Down
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Joined: 01 Feb 2019
Location: Roaring spring
Points: 60 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Josh N Quote  Post ReplyReply Direct Link To This Post Topic: Allis chalmers 175 power director
    Posted: 03 Jan 2026 at 5:00pm
rebuilding 175 power director and the new ramp plates are different , they have machined flat spots by the ramp that makes it thinner.    Will they work or will I have to add shims to take up the thickness difference?

Edited by Josh N - 03 Jan 2026 at 5:03pm
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22389 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2026 at 6:39pm
I don't like what I see. And I'm not there looking at it in 3-D. I believe I'd be making a serious phone call to whomever you bought them from.
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Josh N View Drop Down
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Points: 60 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Josh N Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2026 at 6:46pm
Dr allis. These new plates are after market , from what I hear that’s how the new ones are , I’m told you can’t get new from agco anymore.    The old ramp plate measures .315 and the new one where it’s machined measures .295.     So in theory I should add .020 long shims in center to make up for the machined area

Edited by Josh N - 03 Jan 2026 at 6:53pm
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DrAllis View Drop Down
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Points: 22389 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2026 at 6:55pm
The main thing you must remember is that you have to have a total of .205" worth of shim thickness at each of the three stations. A brand new clutch had (for example) .080" in low and .045" in the center and .080" in high for a grand total of .205". This number gives you the proper stroke on the hand lever. It gives you the proper stroke on the internal linkages so neutral is truly neutral. It isn't just a number. It is a requirement. So, I don't know how this is going to work with those new parts that seem to be different.
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Josh N View Drop Down
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Points: 60 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Josh N Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2026 at 7:14pm
I mite try to weld up and machine off my
Old plates.   Not real impressed with the new ones.    Thanks for your info
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