D18 Diesel
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=206291
Printed Date: 19 Jul 2025 at 7:32pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: D18 Diesel
Posted By: Elvin
Subject: D18 Diesel
Date Posted: 13 Apr 2025 at 9:57am
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Dr Allis: Can a D19 rear be matched up to a D17 without much re-engineering to make a "D18" Have a Pic of D18 with 18.4-34's on bar axles (D19 Rear end). Thanks, Elvin.
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Replies:
Posted By: DrAllis
Date Posted: 13 Apr 2025 at 11:18am
| Piece of cake. Everything bolts right up. Years ago, I wanted to drop a 433/F2 engine in a D-19 chassis and use D-17 hood and fuel tank. Build a live engine powered hydraulic pump with a 170-185 hyd valve stack to the right of the seat. |
Posted By: Don(MI)
Date Posted: 13 Apr 2025 at 11:18am
 ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: IBWD MIke
Date Posted: 14 Apr 2025 at 7:07am
That would make a cool tractor!
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DrAllis wrote:Posted By: Elvin
Date Posted: 14 Apr 2025 at 3:18pm
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Don, who did the D18 restoration. Thanks, Elvin |
Posted By: Don(MI)
Date Posted: 15 Apr 2025 at 9:48am
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Don't know...guys on the FB page were talking about it though... ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: Elvin
Date Posted: 17 Apr 2025 at 12:11pm
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Don, do you know who the D18 owner is? |
Posted By: Don(MI)
Date Posted: 17 Apr 2025 at 12:15pm
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No I don't ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: JC-WI
Date Posted: 18 Apr 2025 at 2:15am
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Notice the D19 behind it...? "Years ago, I wanted to drop a 433/F2 engine in a D-19 chassis" Doc, I wanted to do that too, but those 433 engines are kinda hard to find up this way. Had thought about a 4BT Cummins engine swap... Or a 4.236T Perkins. Sadly, stuff like that takes time to do. ------------- He who says there is no evil has already deceived himself The truth is the truth, sugar coated or not. Trawler II says, "Remember that." |
Posted By: Calvin Schmidt
Date Posted: 20 Apr 2025 at 1:49pm
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The D18 in the picture is a factory experimental tractor that was shipped to North Carolina by mistake back in the day. It was supposed to be shipped back but it never happened. Picture was taken at the Pontiac Ill show in 2018. I'm personal friends with the owner who has the full history of this tractor. ------------- Nothing is impossible if it is properly financed |
Posted By: Calvin Schmidt
Date Posted: 20 Apr 2025 at 1:51pm
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Dr. Allis. Have a friend who replaced the gas engine in a OneEighty with a 433/F2 engine. He loves it. ------------- Nothing is impossible if it is properly financed |
Posted By: Elvin
Date Posted: 20 Apr 2025 at 2:11pm
| Tractor shipped BY MISTAKE? I did not know that Trump was dealing in tractors back then....... |
Posted By: DrAllis
Date Posted: 20 Apr 2025 at 5:54pm
| An F-2/433 engine into a One-Eighty would be easy, once you transferred over the front cover so you had a hydraulic pump drive, or maybe he went with a front pump drive like a late 170/175?? There'd be room for that. Getting the fan to the radiator or getting the radiator shroud to the fan would be a challenge. Calvin, I wonder if that ex D-19 chassis had a serial number?? located right behind the seat stamped on the top of the housing. |
Posted By: wade89
Date Posted: 20 Apr 2025 at 9:00pm
| What would you gain from building a D18 vs a D-19? Honest question, not bein snarky at all just curious. |
Posted By: JimIA
Date Posted: 20 Apr 2025 at 9:07pm
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I'm not buying the story on the D18 pictured as being the real deal. There's several things that are not correct. The big one is the front axle. The D18 prototypes have the D19 heavier front axle. The one pictured has a D17 front axle. ------------- An open eye is much more observant than an open mouth |
Posted By: 1950AllisWD
Date Posted: 20 Apr 2025 at 9:07pm
| Allis built a prototype d18 during the development that would eventually lead to the production of the d19. Building one would be a neat endeavor for an allis enthusiast who has the time and resources and would be a good conversation piece at shows. Kinda like the red guys that build Farmall HTAs. |
Posted By: DrAllis
Date Posted: 20 Apr 2025 at 10:06pm
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The production D-19 was released in December of 1961. It indeed had the more modern looking and rugged wishbone on the front axle. I'd like to think the D-18 proto tractor(s ?) would have been field testing in late 59? and surely thru 1960 ?? and maybe the actual D-19 proto's were only tested thru the 1961 year time frame ? Well, I have a piece of Series 2 D-17 advertising literature. The printing date was Oct of 1960. It has cream wheel centers. Persian orange #2 is the color and a horizontal mesh screen grille, painted cream. Hood has the riveted on Allis-Chalmers emblem plates. It clearly has the old style wishbone front axle. According to AGCO parts books it appears that old axle design stayed on the D-17 until the series 3 models in 1962. I guess what I'm trying to say is, the D-18 probably did have an early design D-17 front axle under it. Swinford's book makes reference to the D-18 with the short D-17 hood and raised up fenders didn't look rugged enough. The front axle wouldn't have looked rugged enough either, so the real D-19 got a change. I'd sure like to see the S/n on the rear end of the D-18.
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Posted By: DrAllis
Date Posted: 22 Apr 2025 at 10:58am
| I've been shown a picture of another "D-18", which was clearly built after the one pictured above. It actually has D-19 size hoods (taller to fender height), larger fuel tank, and a D-19 looking front axle (taller cross tube and gussets on the spindles) with the nicer looking wishbone. The taller hoods not only made it look like a bigger tractor, but it allows for a larger/taller fuel tank AND A TURBOCHARGER under the hood, which is what they decided to do late in the testing program to get closer to the 70 HP mark. But, the model designation was still D-18, albeit a different D-18 than the original as shown in Swinfort's book. So, this picture of a later proto version with the taller hood and heavier front axle may not be another proto ?? It could be the first D-17 hooded tractor re-worked for the turbo D-262 engine !! How many proto's did they build ?? Well, in the case of the One-Eighty gas....ONLY ONE !!! |
Posted By: AC7060IL
Date Posted: 22 Apr 2025 at 1:52pm
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Here are a few past AC forum links to the D18 discussion & their interesting notes. A 2010 thread "the-ones-allis-chalmers-did-not-build." In it, TedBruisherN.IL mentions that maybe 4 prototypes were built? Lonn shares about D18's hood height. http://www.allischalmers.com/forum/the-ones-allis-chalmers-did-not-build_topic6275_page2.html" rel="nofollow - http://www.allischalmers.com/forum/the-ones-allis-chalmers-did-not-build_topic6275_page2.html There are still a couple of D18 photos shared in this 2010 thread. http://www.allischalmers.com/forum/c-h-wendel-book-d18_topic6947.html" rel="nofollow - http://www.allischalmers.com/forum/c-h-wendel-book-d18_topic6947.html Below, I copied this D18 tractor & front row cultivator photo, along with it's write-up from CHWendel's The Allis-Chalmers Story, page 328.  Heres a link to a 2012 Southeast North Carolina Ag Show's D18 photo http://www.dreamstime.com/royalty-free-stock-images-allis-chalmers-d-18-farm-tractor-image26634029" rel="nofollow - http://www.dreamstime.com/royalty-free-stock-images-allis-chalmers-d-18-farm-tractor-image26634029 Heres another link to a D18 photos at the 2014 NC Festival Raleigh. http://www.flickr.com/photos/27796688@N08/14115442197/in/photostream/" rel="nofollow - http://www.flickr.com/photos/27796688@N08/14115442197/in/photostream/
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Posted By: DrAllis
Date Posted: 22 Apr 2025 at 3:25pm
| I think the one at the North Carolina Ag Show is the same one from up above. It appears the left hood has some damage to it. I thought it was just the glossy paint, but now I'm not so sure. |
Posted By: Joseph6080
Date Posted: 23 Apr 2025 at 12:46am
| Would you be able to get the serial number for the 180 gas? |
Posted By: AC7060IL
Date Posted: 23 Apr 2025 at 7:36am
| Joseph6080, Welcome to the AC forum. Checkout the DrAllis’ 4 cylinder 180 post that I just did a “back to the top”. |
Posted By: JC-WI
Date Posted: 23 Apr 2025 at 10:30pm
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I seen a D19 diesel that got a swap to a styled WC engine. The tractor was fitted with a loader and back end weighted down and was used for loading and unloading almost everything that came into that yard. ------------- He who says there is no evil has already deceived himself The truth is the truth, sugar coated or not. Trawler II says, "Remember that." |