Was JD435 with GM 2 stroke any good?

I have some John Deere books and there is an article in one book about the 435 tractor with General Motors 2 cylinder 2 stroke engine
I am interested to know if these tractors were successful and what were the engines like to work
on ....thanks for all replies
 
Deere only made like 4600 of them compared to just over 12,000 430s in total.
I would say while not a smashing success, it did gain some success in the small tractor diesel market. I would take a 435 over a 1010 diesel any day.

Working on a 2-53 is like working on any other 53 series Detroit. Theres some special procedures and tools needed to do an overhaul. Another thing to keep in mind is the 2-53 in the 435 doesnt have a full flow oil filter and only some had the optional bypass filter.
 
I did a complete nut and bolt restoration on a 435 a few years ago. Couldn't believe all the parts that go in and on that 2-53. Floor of the garage was covered in pieces.
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The 440, is an industrial sister of the 435. Built both as wheel tractors and crawlers.
971 440ID were built from April 26 1959 to Feb 29th 1960.
The 440ICD was popular with 6679 units built between Jan 6th 1959 to March 31st 1960.
Not too shabby along with 4626 435s built between March 31st 1959 to Feb 29th 1960.
 
I think most got a bad wrap for being hard starters due to the relatively low compression S style pistons and the fact that a lot of people ran till they were plumb wore out and kept going.

I saw a set of pistons and sleeves out of a 440 crawler the top ring wore down to nothing. How they didnt break and come out in pieces I have no idea.
 
The JD 435 was made as an interim model while JD developed the 10 series tractors. They would have probably sold more if it was a model intended to be kept in the line.
 
(quoted from post at 20:10:01 02/24/21) The JD 435 was made as an interim model while JD developed the 10 series tractors. They would have probably sold more if it was a model intended to be kept in the line.


Deere wanted to get a diesel in to the low horsepower market.
 

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