[AJD] Another trivia question - Pre-Screeners??

Sun Nov 27 18:28:42 PST 2005

Dean,
FWIW, a May 1960 version of SM2039 for the 4010 shows a prescreener with 
round holes, as does an October 1963 SM2038 for the 3010.  Advertising 
brochure A1171-59-6 for the 730 also shows a "new prescreener attachment" 
with round holes.  This unit was not in 1958 or earlier brochures - only the 
precleaner.  The prescreener does not appear to be in the accessories 
catalog AC1000 dated 10-58 but is in the 11-59 version.  It will be 
interesting to learn if the prescreener came on your brothers 520 or whether 
he added it later.

Since the screen was available separately from the prescreener unit, I 
suspect it was another low-bid deal for the screen which may have changed 
over the years.
Regards,
Duane Larson

----- Original Message ----- 
From: "Dean VP" <deanvp at att.net>
To: "'Antique John Deere mailing list'" 
<antique-johndeere at lists.antique-tractor.com>
Sent: Sunday, November 27, 2005 4:13 AM
Subject: RE: [AJD] Another trivia question - Pre-Screeners??

> Greg:
>
> I think I have run on to a bit of evidence that may be of significant
> importance. My brother owned a 1957 520 since it was new. He just sold it 
> a
> couple years ago. I found the picture I took of it. It has the round hole
> Pre-Screener on it.
>
> I'll have to check with him to see if he ever replaced it or changed it 
> from
> when it was new. I doubt it sincerely. I think he will remember whether he
> did or not. But here is a tractor I know the history of. Now that I look 
> at
> this I seem to recall this was one of the reasons I had drawn my previous
> conclusion.
>
> Dean A. Van Peursem
> Snohomish, WA 98290
>
> Forbidden fruits create many jams!
>
> www.deerelegacy.com
>
> http://members.cox.net/classicweb/email.htm
>
>
>
> -----Original Message-----
> From: antique-johndeere-bounces at lists.antique-tractor.com
> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
> greg at theoldtractorcompany.com
> Sent: Saturday, November 26, 2005 10:23 PM
> To: Antique John Deere mailing list
> Subject: RE: [AJD] Another trivia question - Pre-Screeners??
>
> The more I think about it, the NOS ones I had some 5-10 years ago were
> diamond I'm pretty sure.
> But again we're faced with the possibility that they were NOS replacement
> prescreeners and not
> NOS production prescreeners.
>
> You would think something like this would be a snap to nail down wouldn't
> you?
>
> I'll take a look upstairs and see what the NewGen prescreeners are next
> week. Pretty sure the
> one I just sold for a 5020 was diamond though. More conflicts!
>
> Greg
>
>
>
> Greg Stephen
> The Old Tractor Company
> Stephen Equipment Company
> PO Box 709
> Franktown, CO 80116
> 303-663-5246
> 303-468-0377 FAX<<--GREAT WAY TO REACH ME!
>
> On Sat Nov 26 21:32 , 'Dean VP' <deanvp at att.net> sent:
>
>>Greg:
>>
>>I took your suggestion of looking at pictures. Gathered lots of data and
> now
>>have my feet firmly planted in mid air. I have over 100 pictures of 520's
>>through 730's stored on my system. Of that probably 50% had Pre-Cleaners
> but
>>only 4 Pre-Screeners. Two were vary obviously the round hole type. The
> other
>>two the tractor was far enough away from the picture taker, I couldn't
> tell.
>>Maybe those were the diamond type because I couldn't see the holes.
>>
>>So your suggestion, although being a good one, didn't yield any kind of
>>conclusive results.
>>
>>Another mystery to be solved.
>>
>>Dean A. Van Peursem
>>Snohomish, WA 98290
>>
>>Forbidden fruits create many jams!
>>
>>www.deerelegacy.com
>>
>>http://members.cox.net/classicweb/email.htm
>>
>>
>>
>>-----Original Message-----
>>From: antique-johndeere-bounces at lists.antique-tractor.com
>>[antique-johndeere-bounces at lists.antique-tractor.com','','','')">antique-jo
> hndeere-
> bounces at lists.antique-tractor.com] On Behalf Of
>>greg at theoldtractorcompany.com
>>Sent: Saturday, November 26, 2005 6:39 PM
>>To: Antique John Deere mailing list
>>Subject: Re: [AJD] Another trivia question - Pre-Screeners??
>>
>>Dean
>>Has been a hectic week and I just ate far too much turkey again but I
>>thought the diamonds were
>>earlier. I do have some New Gen precleaners that are diamond too so I'm 
>>not
>>sure. What do pics
>>of other tractors show? Seems like I would remember seeing a 730 w/round
>>hole prescreener
>>though.
>>
>>Greg
>>
>>
>>
>>Greg Stephen
>>The Old Tractor Company
>>Stephen Equipment Company
>>PO Box 709
>>Franktown, CO 80116
>>303-663-5246
>>303-468-0377 FAX
>>
>>On Sat Nov 26 11:22 , 'Dean VP' deanvp at att.net> sent:
>>
>>>Over the years I have looked for a couple good used Pre-Screeners and 
>>>have
>>>found and installed one on my 620. At the time I came to the conclusion
>>that
>>>the can type with the round holes were for 20 and 30 series and the
>>>stretched metal - diamond type holes were for the New Generation 
>>>tractors.
>>>Since I was buying used I didn't know the exact Part Number for what I 
>>>was
>>>buying. The Parts Catalog illustrations for the 520 through 730 show the
>>>round hole type but I am aware that these illustrations cannot always be
>>>trusted for accuracy. But up until the following two eBay auctions I
>>thought
>>>I had come to the correct conclusion.
>>>
>>>The two eBay auctions are just the reverse of my thinking.
>>>
>>>7564613408 - Round holes. New Generation.
>>>
>>>7564613448 - NOS Stretched metal - diamond holes. 520 - 730
>>>
>>>Now I suspect since the second one is NOS and has the part number on the
>>box
>>>there is a good chance this is right.
>>>
>>>But it is totally reversed from my previous conclusion.  Does anyone on
> the
>>>list have a clear precise definition as to what was used when? Or did JD
>>>make a change during production w/o changing Part Numbers? Or were both
>>>types used interchangeably?
>>>
>>>
>>>Dean A. Van Peursem
>>>Snohomish, WA 98290
>>>
>>>Forbidden fruits create many jams!
>>>
>>>www.deerelegacy.com
>>>
>>>http://members.cox.net/classicweb/email.htm
>>>
>>>
>>>
>>>
>>>
>>>
>>>_______________________________________________
>>>Antique-johndeere mailing list
>>>http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>>
>>
>>
>>_______________________________________________
>>Antique-johndeere mailing list
>>http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>>
>>
>>
>>_______________________________________________
>>Antique-johndeere mailing list
>>http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>
>
>
> _______________________________________________
> Antique-johndeere mailing list
> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>
>
>
> _______________________________________________
> Antique-johndeere mailing list
> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere 