Farm Equipment - Recommendations for tire pressure.

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Recommendations for tire pressure.

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=131557
Printed Date: 04 Nov 2025 at 6:03am
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Topic: Recommendations for tire pressure.

Posted By: Dean (West MI)
Subject: Recommendations for tire pressure.
Date Posted: 19 Nov 2016 at 9:20am

I have a B with 12.4 x 24 Firestone Field and Road tires. Tractor has rear wheel weights, 75% calcium chloride, 3 point, front wheel, wishbone and engine weights. The 3 point gets used a lot to pick up heavy loads.

What PSI would you air the rear tires to?

Replies:

Posted By: DSeries4
Date Posted: 19 Nov 2016 at 9:41am

15 PSI should be good.

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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: Dakota Dave
Date Posted: 19 Nov 2016 at 10:30am

At 16 PSI the max load rating for the pair is 3,740 lbs. assuming you have the standard 4 ply rated tires. Id personaly go down to 12PSI. youll get much better traction if the tires flex some. My C with wheel wieghts only I run at 10 PSI.

Posted By: Ed (Ont)
Date Posted: 19 Nov 2016 at 7:22pm

As Dave said 12 PSI. I started at 16 and gradually worked down to 12. But anything from 12-16 should work for you. Play around a bit and see what you like. You will need a fairly good gauge to be reasonably accurate at that low pressure.