Farm Equipment - Traction Boost gauge

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Traction Boost gauge

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=110179
Printed Date: 14 Sep 2025 at 6:17am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Traction Boost gauge

Posted By: bmccune
Subject: Traction Boost gauge
Date Posted: 10 Aug 2015 at 6:31am

I guess this is going to be a stupid question but I cannot find it.

Purchased a D17 Series 3 Gas while back and all the gauges where missing. Now getting around to fixing all and am lost on the traction boost gauge. I know it has the line out the back but am unsure where it hooks to 100%. Could someone please send a picture of where I hook it to on the tractor. I think I see where as I see a plug in one of the line fittings but unsure if that is it or not.

Replies:

Posted By: DSeries4
Date Posted: 10 Aug 2015 at 10:20pm

It is fastened to the back of the dash with a bracket and a bolt. I do not have a picture so it is hard to describe.

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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080

Posted By: mherndon
Date Posted: 11 Aug 2015 at 4:55am

There should be a small block linked to the drawbar piston or snap coupler piston that translates the pulling pressure back to this block. It should be on the main body inside the side plates. I think it also is linked to the hydraulic pump inside for it to react under a load. I have a D-14 and D-15, but would think the D-17 would be similar. I have no pictures.

Mark

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D-15, Old dealer in Smithville, TN

Posted By: bmccune
Date Posted: 11 Aug 2015 at 6:07am

Think the question was mis understood so will try again. I know where the gauge goes and know what the traction boost does. What I do not know is where the line from the gauge hooks at/to. As this tractor is gauge less when I got it I have to re do all gauges and this one I am stuck at. I see a few plug fittings in a couple of lines so assume one of them is where it goes just unsure which one.