Farm Equipment - Frame Rail Measurements

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Frame Rail Measurements

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=197116
Printed Date: 25 Jul 2025 at 1:14pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Frame Rail Measurements

Posted By: Unit3
Subject: Frame Rail Measurements
Date Posted: 10 Sep 2023 at 12:22pm

My tape read with my old eyes that a
WC - WD45             19 -1/4”
D15 series II             19 -1/4”
200                           20 -1/2”

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2-8070FWA PS/8050PS/7080/7045PS/200/D15-II/2-WD45/WD/3-WC/UC/C

Replies:

Posted By: Unit3
Date Posted: 10 Sep 2023 at 12:27pm

Well, I would like to have the frame measurements from all of the different series. Obviously a D 10 should be less than a D 21. The 160 versus a 220. Etc.

I really want to know the difference of a 170 versus the 200.

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2-8070FWA PS/8050PS/7080/7045PS/200/D15-II/2-WD45/WD/3-WC/UC/C

Posted By: DrAllis
Date Posted: 10 Sep 2023 at 4:38pm

170/175 side frame width same as D-15/17/19. Beginning with the 180 thru 7000 had what I call a 3/4" dog leg on each side frame at the bell housing area.

Posted By: Unit3
Date Posted: 10 Sep 2023 at 11:55pm

Thank you good Doctor. I would like to talk with you sometime about the differences in 426 engines. 3500, 3750, 670T, 670I and the biggest and meanest, the 670HI. But it is late. Another time.

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2-8070FWA PS/8050PS/7080/7045PS/200/D15-II/2-WD45/WD/3-WC/UC/C

Posted By: Gary
Date Posted: 23 Aug 2024 at 6:21am

Annabella

How do you tell one 'accurate ruler' from another ?

Is it the size of the numbers or the width of the 'markings'?

Gary

Posted By: Kiniavelly
Date Posted: 23 May 2025 at 7:25am

I ran into the same issue measuring awkward spots, especially around the rails. What helped me was taking a few quick reference photos and using http://https://ruler.onl/" rel="nofollow - ruler.onl to line up rough dimensions after. It's not perfect for exact numbers, but it gave me enough info to compare parts side by side without having to disassemble more than needed. Definitely sped things up for me while sorting frame differences.

Posted By: DrAllis
Date Posted: 23 May 2025 at 7:51am

What in Sam Hill are you measuring ??? There's no A-C tractor that has frame rail width dimensions like that.

Posted By: DaveKamp
Date Posted: 27 May 2025 at 10:42pm

Hey Gary-

Just so you know...

The people that make yardsticks...

They're not making 'em any longer.

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Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.