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Info on d21

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matt

09-29-2002 18:44:11




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i would like to ask you guys about buying a d21. i know where there is one at that runs but is in rough shape and it has a cab on it, and it is also missing the front grill. i was wondering about the weak points of the tractor if any and how hard it is to find parts for one. i think that the tractor could be bought for around 2000. wich i think would be a very reasonale price.i am a johhn deere man so any info on ac's is greatly appreciated. thank you

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steve

09-30-2002 16:19:25




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 Re: info on d21 in reply to matt, 09-29-2002 18:44:11  
the diesels had some head gasket and head cracking problems, but as the guys said, most of this was operator induced. if you let it cool down and idle for several minutes after a hard usage, it was o.k. the rest of the tractor seemed to be very reliable. if it runs good now, your $2000. sounds decent. look at the tires, etc. that gets expensive.



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Will

09-30-2002 07:07:10




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 Re: info on d21 in reply to matt, 09-29-2002 18:44:11  
First off there were only two D21's, the first was just called a D21 and was built without a turbo and had about 100 pto Hp., the second was called a series II and had a turbo with about 127 pto Hp. The D21's had some problems but most of it was caused by the operator.



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Den/southern Illinois

09-30-2002 16:07:36




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 Re: Re: info on d21 in reply to Will, 09-30-2002 07:07:10  
What Will said is right, 2 series, horsepower, etc.



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John W.

09-29-2002 21:02:02




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 Re: info on d21 in reply to matt, 09-29-2002 18:44:11  
Matt; With what you provided in the way of info this will be very general. Find out first if it is a series 1,2, or3. is it gas or Diesel. these things DO make a difference. Generally speaking the D-21's are very good all round tractors. Powerful for their size and wieght, HOWEVER, make absolutely certain the power director clutch, which runs the live hyd., and pto is in good working order as these are VERY expensive to replace. Not to mention a big job. rated at 77 to 83 horse power, depending on the series, they are for all intents and purposes fairly stout pullers.
They have extremely tough transmission - differencials and are not prone to break down. The only exception is the series 3 with the perkins diesel, Some have a problem with blowing head gaskets. Aside from that I have had very few problems with any I have owned. The cab is something strange, It must be a adaptation or kit cab, I'm not aware of a fatory cab for the D-21 unless it is something offered late in the production as an option. Hope this helps.

John W.

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What are you talking about?

09-30-2002 19:14:21




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 Re: Re: info on d21 in reply to John W., 09-29-2002 21:02:02  
Uh!



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you are so wrong.

09-30-2002 18:43:58




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 Re: Re: info on d21 in reply to John W., 09-29-2002 21:02:02  
Why post info that is simply not right?



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MADDOG

10-31-2002 06:49:43




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 Re: Re: Re: info on d21 in reply to you are so wrong., 09-30-2002 18:43:58  
I don't know what John W. is talking about; AC NEVER BUILT ANY D-21 Series III. He must be confusing the D-21s with the AC D-17 Series III.
ALso, if your AC D-21 is only pulling 77-90 hosepower; THEN YOU NEED TO PUT PISTONS IN THE EMPTY (2) HOLES. I've NEVER seen ANY D-21 (in GOOD
mechanical condition) that pulled LESS than 110 PTO horsepower on MY CALIBRATED dynamometer!!



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MADDOG

10-30-2002 13:13:05




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 Re: Re: Re: info on d21 in reply to you are so wrong., 09-30-2002 18:43:58  
I've discovered; after 33+ years in the machining business; that many people (including a lot of EXPERIENCED mechanics) simply don't UNDERSTAND the QUESTION!!!!!



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MADDOG

10-30-2002 13:12:55




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 Re: Re: Re: info on d21 in reply to you are so wrong., 09-30-2002 18:43:58  
I've discovered; after 33+ years in the machining business; that many people (including a lot of EXPERIENCED mechanics) simply don't UNDERSTAND the QUESTION!!!!!



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matt

09-30-2002 07:39:43




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 Re: Re: info on d21 in reply to John W., 09-29-2002 21:02:02  
i am sure that the tractor is a diesel and i guess that it would be a series II because it does have a turbo in it thanks.



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