D12 Traction Booster 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=148146
Printed Date: 14 Oct 2025 at 8:17pm
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Topic: D12 Traction Booster Gauge
Posted By: RAR45110
Subject: D12 Traction Booster Gauge
Date Posted: 03 Mar 2018 at 5:48pm
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I purchased a new traction booster gauge for my series I D12. I do not plan to plow with this tractor, but I am trying to finish the restoration. In keeping with a complete restoration, I am trying to determine where the hydraulic tubing connects on the power take-off hydraulic pump. Does it just hook into the hydraulic lines to the lift cylinders, or somewhere else? I have looked through the manual, the parts catalog and several other places and do not see exactly where the line hooks up to the pump. Any help will be appreciated. Thanks, Bob
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Replies:
Posted By: CTuckerNWIL
Date Posted: 03 Mar 2018 at 6:03pm
From what I've heard, most of the new repro TB gauges are junk. It will stay looking nice if you don't hook it up  Most complaints are the needle falling off or the gauge filling up with oil.------------- http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF |
Posted By: Larry in NC
Date Posted: 03 Mar 2018 at 6:39pm
| If the tractor has a live lift, the tractor booster gauge line hooks on the bottom side of the hydraulic control valve. It connects to the block that the right hydraulic ram line connects to. If the tractor does not have a live lift and has the CA type hydraulic pump, the line hooks to a line connector block that mounts beneath the deck plate. The left side ram line also connects to this block as does a line coming from the pump. This is from memory, but should be correct. |
Posted By: RAR45110
Date Posted: 03 Mar 2018 at 9:19pm
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I bought a 2 year warranty for this very reason. Thanks for the input. Bob
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Posted By: RAR45110
Date Posted: 03 Mar 2018 at 9:22pm
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Larry, If I read you correctly, the traction booster gauge reads the pressure on the lift cylinders? Thanks, Bob
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Posted By: GregLawlerMinn
Date Posted: 04 Mar 2018 at 1:10pm
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I recently purchased my 3rd gage fro DJS Supply. Altho not as good as OE, the 1st 2 are working just fine. Only "knock" thus far is the Chinese do not know the OD size of the line to the gage and the bore in the gage is too small; have had to rebore all 3 so that the line would go into the gage. ------------- What this country needs is more unemployed politicians-and lawyers. Currently have: 1 D14 and a D15S2. With new owners: 2Bs,9CAs,1WD,2 D12s,5D14s,3D15S2s, 2D17SIVs,D17D,1D19D;1 Unstyled WC |
Posted By: Larry in NC
Date Posted: 04 Mar 2018 at 1:32pm
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Bob, This is the set up you should have. Hydraulic line from pump to connector. Line from connector to ram. Line from connector to traction booster gauge.   |