621 forklift shuttle clutch operation
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=159022
Printed Date: 16 Oct 2025 at 7:03am
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Topic: 621 forklift shuttle clutch operation
Posted By: Dean(IA)
Subject: 621 forklift shuttle clutch operation
Date Posted: 13 Mar 2019 at 8:45pm
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Here is a diagram of the power flow in the 621 forklift. The power train is from the D-15. ------------- Dean(IA) |
Replies:
Posted By: Dean(IA)
Date Posted: 13 Mar 2019 at 8:46pm
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I can't get the image to upload. what am I doing wrong? ------------- Dean(IA) |
Posted By: Dean(IA)
Date Posted: 13 Mar 2019 at 8:50pm
------------- Dean(IA) |
Posted By: DougG
Date Posted: 14 Mar 2019 at 6:58pm
| Where did you find that page Dean? |
Posted By: Dean(IA)
Date Posted: 15 Mar 2019 at 6:30am
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this is a page that I constructed by cutting and pasting gears and shafts from several pages of the parts book. I never did find the exact page with the shuttle clutch intermediate shaft and gears. This part is how I think it should work. Everything else is right out of the parts book. ------------- Dean(IA) |
Posted By: DrAllis
Date Posted: 15 Mar 2019 at 7:39am
| That is a pretty neat graphic, Dean. I'm sure it took 10 or 15 minutes to get it all together !! |
Posted By: Jacob (WI,ND)
Date Posted: 15 Mar 2019 at 9:05am
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I wondered how shuttle clutches worked. Once you see the concept (and wrap your brain around it) it is fairly simple really! Thanks for putting this together Dean. ------------- Jacob Swanson 1920 6-12; 1925,1926 20-35 longfenders; 1925,1926 15-25's; 1927,1929 20-35 shortfenders; C; B's; IB; WC's; WD; WD45 |
Posted By: JoeO(C-MO)
Date Posted: 18 Mar 2019 at 10:03am
This is from the 615 Service Manual.
 The 615 is based on a D15 Chassis. ------------- D10 III, D15 II 3 pt, D15 II SC, 170 Gas w/shuttle, 175 Diesel UI ROPS, 185 w ROPS. AC 653 w/6 way blade, ROPS AC 615 Ind. WD45 running/Parts. |
Posted By: JoeO(CMO)
Date Posted: 19 Mar 2019 at 8:32am
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. ------------- |
Posted By: Dean(IA)
Date Posted: 21 Mar 2019 at 8:56pm
This is the Service Manual page from JoeO(CMO) after some tweaking. tweaking.------------- Dean(IA) |
Posted By: Bill Long
Date Posted: 21 Mar 2019 at 9:43pm
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Thank you Dean. That is the set up I remember from the D-14 shuttle clutch - just smaller. Sorry I could not be any assistance in your quest. Good Luck! Bill Long ps: You may want to include this in the Knowledge section. I am certain others want to know. Pop's Knowledge is Power book did not have this good a description for the power director
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