190?
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=209713
Printed Date: 01 Mar 2026 at 5:38pm Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 190?
Posted By: jiminnd
Subject: 190?
Date Posted: 14 Jan 2026 at 4:47pm
Auction coming up with a 190, not xt. According to serial number it is a 1967, was there rear end improvements to these or was that just on the xt. thank for any info.
------------- 1945 C, 1949 WF and WD, 1981 185, 1982 8030, unknown D14(nonrunner)
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Replies:
Posted By: DrAllis
Date Posted: 14 Jan 2026 at 6:17pm
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If the chassis number is 190-9001 or higher, it has an XT driveline for that period of time. Prior to s/n 9001 it is the old original 3-5 and 4-6 on the transmission speeds, which is the lighter duty transmission and everything else related to the driveline.
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Posted By: DougG
Date Posted: 14 Jan 2026 at 7:05pm
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When I got mine just considered it a One Eighty, with the big platform,,,
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Posted By: DrAllis
Date Posted: 14 Jan 2026 at 7:19pm
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Well, it was about 1200 lbs heavier had 34 or 38 inch rubber and 10-12 more HP, PLUS the high deck.
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Posted By: DougG
Date Posted: 15 Jan 2026 at 7:40am
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Oh I know,, just the deck is very nice,,, my thinking was with the axle thing, A One Eighty is an awesome machine,, close to a One Ninety,,,
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Posted By: injpumpEd
Date Posted: 15 Jan 2026 at 9:31am
I often wondered if the drivetrain improvements on the XT applied to the NA 190's also. Like a series 3 XT, latest and greatest. Would not have been needed on a straight 190 though.
------------- 210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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Posted By: tbran
Date Posted: 15 Jan 2026 at 9:43am
Then only difference I know of between XT and non XT was turbo and oil cooler - the gas had a pretty expensive muffler - The 190 was ordered with a lot of 16.9-34 rubber to make a bigger price point. I bet the company margin was shaved a tad on the 190 - anyone have any of the old price sheets to see the difference of the two in price? Also the difference in gas and diesel. Net difference in production cost was less than a grand net. Of course there was a lower warranty factor as well. (the 190's had an extra clutch plate in the PD clutch over the 180)
------------- When told "it's not the money,it's the principle", remember, it's always the money..
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Posted By: DrAllis
Date Posted: 15 Jan 2026 at 9:58am
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When the change was made to the improved and heavier driveline components, the straight 190 got everything the XT did, after s/n 9001. Those transmission and torque tube parts also got used in the brand new July of 1967 One-Eighty tractor as well. So, there was zero need to have differing parts between the 190 and XT models. Makes me wonder if there may have been a One-Eighty proto or two that could have had early 190 driveline parts ?? That plan would have soon scrapped from the intro of the 190 in summer of 1964 til July of 1967. Just depends when the first One-Eighty proto was built. I know the last existing One-Eighty 4-cyl gasser has the newer transmission in it, as the speeds are 3-4 and 5-6 instead of 3-5 and 4-6.
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Posted By: Mikez
Date Posted: 15 Jan 2026 at 7:32pm
Posted By: Mikez
Date Posted: 15 Jan 2026 at 7:33pm
Posted By: Mikez
Date Posted: 15 Jan 2026 at 7:35pm
Posted By: Mikez
Date Posted: 15 Jan 2026 at 7:36pm
Posted By: Mikez
Date Posted: 15 Jan 2026 at 7:40pm
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Hope you can read all that. That’s all the 190,190xt pages from August 27/ 1969 price sheets
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Posted By: DrAllis
Date Posted: 16 Jan 2026 at 6:34am
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What I see is the 540/1000 RPM PTO wasn't even offered as an option in late 1969.
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Posted By: tbran
Date Posted: 16 Jan 2026 at 7:50am
Thanks Mike for posting that - should be archived somewhere - options are interesting - like fender extensions... RH step and handle.
------------- When told "it's not the money,it's the principle", remember, it's always the money..
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Posted By: Nathan (SD)
Date Posted: 17 Jan 2026 at 8:33pm
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In regards to percentage of base price. Some of these options were kind of spendy.
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Posted By: jdeere562
Date Posted: 17 Jan 2026 at 9:36pm
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As I recall the heavy duty cases at the rear were marked C. Anything less than C was the light duty. I know there were B cases, unsure if there was an A. I only ran into B and C. The older mechanic there when I started, said there was a time Allis offered and upgrade the earlier models to the heavy duty 4 pinion diffs. Said for a limited time for $500 they would roll an entire new Diff/Trans under there. Before my time and just him talking. I started working there late 1975.
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Posted By: DrAllis
Date Posted: 17 Jan 2026 at 10:58pm
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The series 3 rear ends, along with getting the 4-pinion differential, also got wider bull gears/bull pinion gears. This required your "C" rear end castings to get them to fit inside. The "B" cases (I think) were after s/n 190-2774. Prior to s/n 2774 the transmission main shaft/pinion shaft had a smaller bearing O.D. (70223308 same as D-19) that must not have been holding up, hence a casting change from "A" to "B".
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