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tach drives
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d17brown View Drop Down
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Joined: 11 Sep 2009
Location: farley iowa
Points: 1689 		Post Options Post Options   Thanks (0) Thanks(0)   Quote d17brown Quote  Post ReplyReply Direct Link To This Post Topic: tach drives
    Posted: 11 hours 56 minutes ago at 6:31pm
It appears there are two different ratio drives for the alternator drives for the tach. Does anyone have the slower ratio drive set up
phil
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KJCHRIS View Drop Down
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Joined: 21 Dec 2015
Location: WC Iowa
Points: 908 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KJCHRIS Quote  Post ReplyReply Direct Link To This Post Posted: 9 hours 24 minutes ago at 9:03pm
12 & 45 tooth are the only one I remember on an Allis that's alternator driven. 
 I think MF used similar on a few models but no experience with them. 
AC 200, CAH, AC185D bareback, AC 180D bareback, D17 III, WF. D17 Blackbar grill, NF. D15 SFW. Case 1175 CAH, Bobcat 543B,
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 81214 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 8 hours 20 minutes ago at 10:07pm
pulley size also effects alternator speed
Like them all, but love the "B"s.
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KJCHRIS View Drop Down
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Joined: 21 Dec 2015
Location: WC Iowa
Points: 908 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KJCHRIS Quote  Post ReplyReply Direct Link To This Post Posted: 6 hours 37 minutes ago at 11:50pm
Yes, pulleys differ and can really change speed of alternator. 
Sorry, My notes don't have the offset dimensions. 
PULLEY SIZES
170, 175, 180, 185 use; a 1/2" belt x 3 15/16" OD x .670" bore. 
190, 190XT and F & G combine; a 1/2" x 3" OD x .670 bore. 
200; 2 of 1/2" belt x 3 1/8" OD x .670" bore. 
D19, 210, 220; 2 of 1/2" belt x 3 1/4" OD x .670" bore. 
7000; 2 of 1/2" belt x 3 1/2" OD x .670" bore. wider offset. 
6060, 6070, 6080, 7010, 7020, 8010; 2 of 1/2" belt x 3 1/2" OD x .670" bore. narrow offset. 
Bigger model 7000's and 8000's use 2 pulleys; 1 narrow offset w keyway & 1 wider no keyway both 3 1/2" OD & use 2 of 5/8" belts. 

 
AC 200, CAH, AC185D bareback, AC 180D bareback, D17 III, WF. D17 Blackbar grill, NF. D15 SFW. Case 1175 CAH, Bobcat 543B,
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Alvin M View Drop Down
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Joined: 24 Jun 2018
Location: PA
Points: 766 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Alvin M Quote  Post ReplyReply Direct Link To This Post Posted: 36 minutes ago at 5:51am
M F is 14x23 that will change the tack speed I had some like over the years AC is 12x45
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