D21 Series I to Series II conversion....how was it
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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=46761
Printed Date: 30 Aug 2025 at 5:54pm
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Topic: D21 Series I to Series II conversion....how was it
Posted By: pirlbeck
Subject: D21 Series I to Series II conversion....how was it
Date Posted: 05 Mar 2012 at 9:54pm
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When the turbo conversion came out how was it done?
Were complete kits with all the parts, including the radiator and hoods shipped
to the dealer or were all the parts sourced individually through the parts
chain? Also, were there complete installation instructions published for the
conversion? If so, would anyone have a copy of these instructions? Thanks! Pat
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Replies:
Posted By: Dean(IA)
Date Posted: 05 Mar 2012 at 10:17pm
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As I understood the conversion, all the parts came in a kit: the turbo, all the lines, the hood, radiator and all the necessary parts to complete the conversion. It seems like the new hood was already painted and had series II decals in place. It was a long time ago, so I could be off on some of the details. I think that the injection pump with Series II settings was also included. I was told that the conversion cost the farmer $600. I seem to recall, also, that the Series II did not use a muffler, just a straight pipe. If I am wrong, some of you old-time Allis guys should correct me. Thanks, Dean(IA) |
Posted By: ac45
Date Posted: 06 Mar 2012 at 11:39am
| ive got one that was doen just about like dean says above, still has original 3400 series block in it, but later style hood, with series 2 decal. alot of them just had a 3500 series dropped in a a hole cut in the hood. |
Posted By: DonDittmar
Date Posted: 06 Mar 2012 at 1:24pm
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Wouldn't it be cool to find one of those kits NOS...... ------------- Experience is a fancy name for past mistakes. "Great moments are born from great opportunity" 1968 D15D,1962 D19D Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start |
Posted By: pirlbeck
Date Posted: 07 Mar 2012 at 9:56am
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I entered $600.00 into an inflation calculator and
$600.00 in 1965 dollars is equal to $4317.24 today. If the kit was in fact priced at around $600.00 in 1965 and it included the hood, radiator, air filter & pipes, oil cooler, manifold & turbo it was a pretty good buy in my opinion. I can understand why such a large percentage of these were converted over.
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