CA Fuel Tank Depth?
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=211338
Printed Date: 18 Sep 2026 at 9:20am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: CA Fuel Tank Depth?
Posted By: dfwallis
Subject: CA Fuel Tank Depth?
Date Posted: 11 Jun 2026 at 3:49pm
Does anyone know the depth of the CA fuel tank (bottom to bottom of filler opening)? Of course I can measure it when I get back in a few weeks (if I can remember).
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1952 CA13092, CA Pickup Plow, CA Cultivator, CA Two Row Planter, Dunham-Lehr GC78 Disc, Grader Blade, 3pt Fm180 Finish Mower
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Replies:
Posted By: dfwallis
Date Posted: 23 Jun 2026 at 1:18pm
The answer is 11.5 inches from bottom to bottom of fill opening. I wanted to see if any of those fuel gauge caps might work acceptably. Scaling isn't likely to be perfect in any case.
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1952 CA13092, CA Pickup Plow, CA Cultivator, CA Two Row Planter, Dunham-Lehr GC78 Disc, Grader Blade, 3pt Fm180 Finish Mower
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Posted By: SteveM C/IL
Date Posted: 24 Jun 2026 at 5:47am
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Ball peen hammer handle from tool box has worked since 1949....plus you get to know about how many hrs a tank will last depending on the task.
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Posted By: dfwallis
Date Posted: 24 Jun 2026 at 12:18pm
Yup, I use a stick, but nice to just glance at the cap right in front of me
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1952 CA13092, CA Pickup Plow, CA Cultivator, CA Two Row Planter, Dunham-Lehr GC78 Disc, Grader Blade, 3pt Fm180 Finish Mower
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Posted By: Leon B MO
Date Posted: 24 Jun 2026 at 8:46pm
I have an original hand crank that always stays tucked in being the steering box bracket. The long end of the crank with the roll pin is a perfect length for a fuel gauge.
Leon B Mo
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Uncle always said "Fill the back of the shovel and the front will take care of itself".
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Posted By: IBWD MIke
Date Posted: 27 Jun 2026 at 6:59am
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At the WHO tractor ride they gave us a paint stir stick marked in inches and down to quarters, I think. It's staying with the NFE 45, wish I had several more!
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Posted By: dfwallis
Date Posted: 02 Jul 2026 at 2:35pm
The only company that used to make them has stopped making the bayonet style. I didn't find that they ever made a 11.5 inch bayonet style. However, an ebay seller has a lot of their (Kelch) closeout stock. I purchased a 10 inch bayonet style. I think it will be fine for what I need (quickly determine if I'm near empty without stopping and getting the stick out of the toolbox). I may be able to mod it for improved low fuel level performance.
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1952 CA13092, CA Pickup Plow, CA Cultivator, CA Two Row Planter, Dunham-Lehr GC78 Disc, Grader Blade, 3pt Fm180 Finish Mower
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Posted By: dfwallis
Date Posted: 03 Aug 2026 at 2:28pm
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The purchased 10 inch fuel gauge works fairly well but requires further work. The 3M epoxy recommended for in-tank use is not suitable. It is softened by gasohol and is about to peel apart. So I've applied some better epoxy. In the mean time, I've ordered an 11.5 inch (non-bayonet) fuel gauge (that was very low cost) and may try to merge the two.
To install the 10 inch one, I acquired some additional foam float material and extended the float downward to get closer to the bottom of the tank. It works fairly well and with the tank roughly half full, the gauge reads roughly half full (slightly low). There isn't much room to fit additional float material so it's size and shape isn't optimal (wouldn't fit through the opening). But at least when it reads empty, it really is empty.
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1952 CA13092, CA Pickup Plow, CA Cultivator, CA Two Row Planter, Dunham-Lehr GC78 Disc, Grader Blade, 3pt Fm180 Finish Mower
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Posted By: steve(ill)
Date Posted: 03 Aug 2026 at 6:17pm
would not think accuracy is critical... empty is empty and half full is 40% or 60% or ??? You know what it is, thats all that counts !
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Like them all, but love the "B"s.
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