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2 cylinder differences?

J

jwitty

Member
What's the difference between say the 520 vs 530 or 620 vs 630 and so on. I've looked at no rating and engine size and I can't seem to find and difference between a 20 and 30...
 
The 30 series was the same as the 20 series as far as engine, transmission etc. They featured upgraded tin work, and some creature comforts, such as slant steer with steering rod hidden under the hood. Push button starting, etc.
Hope this helps.
 
(quoted from post at 12:45:40 11/16/17) The 30 series was the same as the 20 series as far as engine, transmission etc. They featured upgraded tin work, and some creature comforts, such as slant steer with steering rod hidden under the hood. Push button starting, etc.
Hope this helps.
Click to expand...

Yes that does. My uncle has a 530 and that's the only numbered series 2 cylinder that I'm familiar with, and I've never seen a 20 series in person.
 
Like Old Popper said, basically no or very little difference mechanically between the 20 and 30 series. None of the 30 series was tested at Nebraska, because no alterations were made over the 20 series.
 
From what I have heard the 20 series was
supposed to be the last of the two
cylinders. Deere planned the introduction
of the new generation in 1958 but they saw
that wasn't going to happen and rumors were
out that Deere was coming out with
something new. So Deere put different
clothing on the 20 series and changed the
model designation to 30 series. Someone
correct me if I gave the wrong information.
 
However there are differences between early and late 20 series. The later 20 series have a black dash and a green generator and a plastic steering wheel. There are also some power steering and transmission differences. The late 820 has a lot of engine changes and more power than the early 820.
 
Witty, good question, here's my take (farm user and past tractor dealer). Rummys John Deere Website lists the 720 and 730 as both having 360.5 CID engines and in Gas 53 HP was produced on the drawbar. When I was farming full time for a period back when I had BOTH a 720 and a 730 which worked side by side in the field and frankly there was no noticeable difference in pure work performance. I preferred the straight 20 series steering shaft versus the 30 series. Styling was changed maybe comfort??? but I just liked the 20 series the best.

Best wishes, God Bless all here

John T Retired from farming and electrical engineering but still havin fun.
 
John, I'm with you, I prefer the 20 series over the 30 series any day. Just a personal preference I guess.
 
You are correct, and I believe the 730D had a bit different camshaft to keep her from running backwards if you pulled down to the last bit...
 
I had 3 of the 520's and 2 of the 530's. Kinda thought the 530 was a joke as they really complicated the steering linkage and the comfort design. I found the brake petal kinda whanki on the 530. The 520 was my all time favorite of the smaller 2 cylinders. There were some items I didn't see the need for adding...the pressure fuel was one of them, also the two different pumps...one for lift and hydraulics and one for steering. I guess it would have been ahead of the time to of had them just have one larger unit and even possibly doing away with the need for the steering shaft as the front was hydraulic activated and could have been done so with a control motor at dash buttttt I guess the "ole" farmers would not have bought in on it. John Deere was like a lot of companies as they had to bring the Grandpa's along kicking and screeming. I did however find the 520's heavily overworked...guess they were trying to get their monies worth. Just my two cents....
 
(quoted from post at 14:54:33 11/16/17) John, I'm with you, I prefer the 20 series over the 30 series any day. Just a personal preference I guess.
Click to expand...

I prefer the vertical positioning of the 20 series steering wheel too. My hand and shoulder posture is just more comfortable for hour after hour, day after day use. For loader work or around the yard use where I am turning constantly the slanted 30 series wheel keeps my hands up and away from my knees more but it seems like my arms and shoulders get tired sooner in the field.
 
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