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Tractor Talk Discussion Forum

John Deere 420 T or 40 T

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Dale Kurtz

01-25-2005 05:40:12




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Hi fellas,
I am really confused as to what a 420t is. To my knowledge the T stands for tricycle. How come I have seen people advertising a 420t or a 40t with a wide front end on it? The way I understant it this is a tractor that can be interchanged between a wide front end and a narrow front end. What denotes this changeable feature on this tractor. What difference do these tractors have from a W model. In my books it lists a T-W. Is all this just to signify a tractor that has a changeable front end? Are they a rare tractor? How come as a wide front tractor it looks just like a normal W model, except the rear wheels appear more narrow? Any anwers to my questions are greatly appreciated! Thanks in advance!

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T213R

01-25-2005 07:56:33




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 Re: John Deere 420 T or 40 T in reply to Dale Kurtz, 01-25-2005 05:40:12  
The "T" did stand for "Tricycle"---in the late '40s when the MT arrived, but in reality, it designates a tractor intended as a ROW CROP tractor. They stood somewhat taller than their utility cousins. The wide front end is merely today's most popular arrangement, but there was an assortment of different front ends available.



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Dale Kurtz

01-25-2005 08:27:53




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 Re: John Deere 420 T or 40 T in reply to T213R, 01-25-2005 07:56:33  
Reagrding the 420T, per the JD "Data Book" reference book, for example, 420T-(RC,W, and N)7580 were produced. This is where I get confused??? If the "T" originally stood for tricycle, but like the example shown above per the JD "Data Book", a "T" was either a RC,N, or W- what is the difference between a RC and W?
If a 420T has an interchangeable wide-front to a tricycle single tire- what is that? Thanks!

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T213R

01-25-2005 16:55:52




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 Re: John Deere 420 T or 40 T in reply to Dale Kurtz, 01-25-2005 08:27:53  
The 420 tractor had a lot of subdesignations!

There were:

420S Standard non adjustable wfe
420U low adjustable wfe
420W 2row low wide utility
420H high crop w/32" clearance
420V special high crop w/26" clearance
420I industrial
420T RC dual narrow front
420T W adjustable wfe
420T N single front wheel
420C crawler, both 4 roller and 5 roller versions

The 420T W and the 420W are NOT the same tractor. The versions of the 420T are considerably taller than their standard or utility siblings. The 420T tractors ought to be able to have interchangeable front ends, something that the S, U, W, H, and V versions don't have!

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buickanddeere

01-26-2005 16:23:17




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 Re: John Deere 420 T or 40 T in reply to T213R, 01-25-2005 16:55:52  
Dale. The ID and photos of the various chassis is on page page 2,3 of your parts catalog PC862 for the model 40. Page 70-2 shows the double front row crop,70-3 the single front "rough rider". 70-8 the row crop wide adjustable square axle. 70-10 shows the rowcrop adjustable wide round tube. For reasons unknown the rollo-matic front is missing from PC862? I seen one at a show but perhapes it was grafted on from a 50 or something? The 38" fixed which could be found on the Waterloo 50,60 & 70 of that era doesn't seem to be listed. That Special which was half way between a tricycle and a highcrop was a model "V". The "W" was a Rowcrop Utility which was wide front only. There was no Industrial 40 per say but Dubuque Deeres were often optioned with Custom Job Numbers. Orange, yellow and even red paint was no problem. One could even split hairs with the 40 crawlers as there were 3,4 & 5 roller versions. The 420 was offered in a true industrial starting with the 1957 slant steer 420's based on the "W" chassis. In January 1958 they were discontinued and replaced by the 440 industrial.

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lgc

01-25-2005 06:35:12




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 Re: John Deere 420 T or 40 T in reply to Dale Kurtz, 01-25-2005 05:40:12  
You may get different answers to this question. THe 40t i have is a tricycle front. You could get the 40t with a Wide front. THe "T" tractors were designed to cultivate TWO rows. The standard 40 tractors were one row tractors. THe 40t with wide front were also capable of spreading the wheels and stradling two rows back when you cultivated row crows. THe wide fronts seem to be far more desireable now that row crops and not plowed.

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