M670 3 speed amplitorc

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M670 3 speed amplitorc

Postby bobcat863 » Wed Jun 19, 2019 10:00 am

Hi everybody!!
I have late 670 with the 3 speed that may need some attention. I did a pressure check between the low, direct and high gear. The pressures don't drop off a quickly as they should when changing speeds. Does anyone have a contact that knows there way around these? Looking at the parts diagram makes me think that this project is past my level of expertise.
Thank you.
Dana Martin
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R e: M670 3 speed amplitorc

Postby G Brown » Thu Jun 20, 2019 7:27 pm

Run.. PM and can help.
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Re: M670 3 speed amplitorc

Postby G Brown » Thu Jun 27, 2019 8:00 pm

Low sprague 1400$. Other 1200$. Full rebuild 5k. Basically a slave cylinder that does shifting. All parts not common to 670 even pto shaft. Had chat with old dealer that had done many. If I ever see one I would pick up and dump ASAP. 950.1050 and Vista same. PS Send us some more rain. Keep Trump!
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Re: M670 3 speed amplitorc

Postby bobcat863 » Fri Jul 05, 2019 8:24 pm

G Brown wrote:Low sprague 1400$. Other 1200$. Full rebuild 5k. Basically a slave cylinder that does shifting. All parts not common to 670 even pto shaft. Had chat with old dealer that had done many. If I ever see one I would pick up and dump ASAP. 950.1050 and Vista same. PS Send us some more rain. Keep Trump!

Unfortunately i'm kinda attached to this tractor. :? But it is possible to get these rebuilt though? I will see what i can do about the rain. I wouldn't even give my worst enemy KING DONALD.
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Re: M670 3 speed amplitorc

Postby bobcat863 » Wed Aug 21, 2019 10:36 am

I will check out that pump pressure.
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Re: M670 3 speed amplitorc

Postby Joe Leising » Sun Sep 08, 2019 7:00 pm

Let's keep this board strictly MM related. No need for politics here.

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Joe, Robin, Olin, and Sydney

Ollie's tractor 1955 BG
Syd's tractor 1937 JT
Robin's tractor 1949 UT

And the rest are all mine!!!! '53 ZB, '51 R, '63 100 L&G '47 Ugggly, '53 BF '50 ZA
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