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D18 day

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Mikez View Drop Down
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Joined: 16 Jan 2013
Location: Usa
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mikez Quote  Post ReplyReply Direct Link To This Post Topic: D18 day
    Posted: 19 Dec 2025 at 12:37am
Just thought about the D18. Happy D18 day. This is the only picture I seen of it.

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IBWD MIke View Drop Down
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Joined: 08 Apr 2012
Location: Newton Ia.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IBWD MIke Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2025 at 6:53am
Thought about that yesterday too Mike.
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Mikez View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mikez Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2025 at 8:16am
Mike do you have d19 for today 
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IBWD MIke View Drop Down
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Joined: 08 Apr 2012
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IBWD MIke Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 6:50am
I do not. Was hoping someone would start that post.
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plummerscarin View Drop Down
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Joined: 22 Jun 2015
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Post Options Post Options   Thanks (0) Thanks(0)   Quote plummerscarin Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 7:55am
I was hoping some would post a couple. Guess not. Too late. Maybe next year
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DanWi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DanWi Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 3 minutes ago at 3:36pm
Tomorrow the D21?
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Gary View Drop Down
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Joined: 13 Sep 2009
Location: Peterborough,On
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary Quote  Post ReplyReply Direct Link To This Post Posted: 19 hours 30 minutes ago at 6:09pm

The Forum 'Owner Registry' had 132 D-19 Owners Registered in 2019.

G

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There were 134 D-21 owners registered in 2019.

Edited by Gary - 19 hours 24 minutes ago at 6:15pm
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plummerscarin View Drop Down
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Joined: 22 Jun 2015
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Post Options Post Options   Thanks (0) Thanks(0)   Quote plummerscarin Quote  Post ReplyReply Direct Link To This Post Posted: 18 hours 36 minutes ago at 7:03pm
[QUOTE=Gary]
The Forum 'Owner Registry' had 132 D-19 Owners Registered in 2019.

G

How many of these owners are still checking in today I wonder
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HudCo View Drop Down
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Joined: 29 Jan 2013
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Post Options Post Options   Thanks (0) Thanks(0)   Quote HudCo Quote  Post ReplyReply Direct Link To This Post Posted: 15 hours 13 minutes ago at 10:26pm
how about all the d17s with 262 gassers put in does that count?
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plummerscarin View Drop Down
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Joined: 22 Jun 2015
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Post Options Post Options   Thanks (0) Thanks(0)   Quote plummerscarin Quote  Post ReplyReply Direct Link To This Post Posted: 13 hours 54 minutes ago at 11:45pm
My dad swapped in a 262 gas in a WD. We called it the D19 back then. Was planning to get a custom decal made when I get it closer to running
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55allis View Drop Down
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Joined: 30 Jun 2020
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 55allis Quote  Post ReplyReply Direct Link To This Post Posted: 13 hours 40 minutes ago at 11:59pm
This caught my eye, never heard of a d18, does anyone own one? Or is it a mystery tractor?

I have a wd45 diesel with the 262 engine and turbo. The original 45d hood was stretched over the turbo and dry air cleaner.
1955 AC WD45 diesel with D262 repower, 1949 AC WD, 1963 A-C D17 series 3

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IBWD MIke View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IBWD MIke Quote  Post ReplyReply Direct Link To This Post Posted: 6 hours 48 minutes ago at 6:51am
Originally posted by 55allis 55allis wrote:

This caught my eye, never heard of a d18, does anyone own one? Or is it a mystery tractor?

I have a wd45 diesel with the 262 engine and turbo. The original 45d hood was stretched over the turbo and dry air cleaner.

D-18 was an experimental model. It's talked about on page 94 of Norm's bible. It was decided that it was not enough bigger than the 17 so they upped the power and made the D-19.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 6 hours 22 minutes ago at 7:17am
There was a picture posted on here some time back of a left/front side view of a D-18 proto. It was determined (at a late hour) that the D-18 experimental looked a little anemic (hood size/front axle beef) and then, only coming in at about that 60 to 63 HP size, which almost wasn't enough more for a 5 bottom plow, as compared to the D-17 with 4 bottoms ( say 13 to 14 HP per bottom).  Also, the new 4010 John Deere had just come out in August of 1960. It was rated at 80 HP, far more than what the D-18 was going to be.  I'd imagine the day after the new 80 HP 4010 was released, was when AC design engineers began thoughts of turbo-charging the D-262 AC/Buda. The gas engine just got more carburetor to reach 71 HP. 
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