John Deere 4520

[Al shaulis]

Looking at a 1969 JD 4520. Don't know much about this model. Does it have a turbo? I think HP is around 120. Do they have a good maintenance record. Anything known about these tractors would be a great help. I currently own 2520, 2550, and a 530. Thanks, Al

 

[4520BW]

They have a turbo from the factory but the fuel pump is undersized for the size of tractor. I have installed bigger pumps on them. The one I currently have I installed a 7700 combine motor. Makes it a lot better tractor. Pulled a 750 drill for years with it but now it just sets in shop.

 

[D-]

120 was not enough power to pull that heavy tractor up a hill.
We ran one at 160 with a JDB pump. Best deal would be 466 from combine.
I would consider a different tractor.

 

[newgenjdcollector]

4520 was the first deere tractor to have a turbo. It's rated somewhere around 125 hp but can be turned up quite easily. I have one with the stock motor and I'm guessing it has 160+hp. It pulls a 5x18 plow quite well. Here's a video from last fall when we were plowing https://www.youtube.com/watch?v=zBdOfAntMJ8

They are a lot of tractor for the money. Although they have fallen out of favor because the 4630 and even 4440 can do just about the same thing. But those tractors typically have cabs and cost twice as much. For a cheap open station tractor, I like them. I like the weight and extra power over a 4020 or even 4320. If they had a dual pto, I think they would be more popular today because the are a lot of 540 jobs that 4020s can no longer handle. So a lot of it depends on your budget and type of pto work you do. Also remember they were only made for a couple years and production numbers we relatively small, so parts can be an issue vs 30 or 40 series tractors that were made in larger numbers.

 

[buickanddeere]

A 4520 is a 4620 with air cleaner problems that may have been resolved and no intercooler.

 

[4520BW]

Here's mine on the little grain cart

 

[tomstractorsandtoys]

First what engine does it have? Many 4520 were updated to the 4620 engine. The easy way to tell is does it have an intercooler on the left side of the engine and where is the injection pump. The 4620 has the injection pump on the front of the engine driven off the timing gears. The 4520 has the pump back at the rear of the engine. Most 4520's had the small injection pump which you can no longer get any parts for.We have a 4520 with the newer engine and it is putting out 170 hp. We hardly ever work it hard as most of our machinery is 4020 sized. We were looking for a 4020 powershift but found the 4520 for less money and so far are very happy with it.Remember they only have 1000 pto which is fine for us as the only pto work is the chopper. I think the front end is unbreakable and way overbuilt but I have seen lots of 4320's with twisted up front ends so I do prefer overbuilt. My friend has a 4320 with the fuel turned up to run as much as my 4520 and likes to brag about how much better it is than my 4520 because it ways less and has both pto's. Last summer on hot days chopping hay they could not keep it cool which is never an issue on my 4520.They are a cheap big tractor but a little more expensive to work on especially the clutch as no aftermarket companies make any parts. Do your best to buy a good one and not a cheap one with the idea of fixing it up. Tom

 

[Al shaulis]

A 1000 PTO will not work for me. I'm pulling a claas round baler that is 540. So this tractor will not work for me. I'm looking for something to bale hay with. Right now I'm using my mother-in-laws Kubota 8560. I'm not happy using her tractor. (a very long story that I can type all night about). I really like a 4320 or a 4440. I've used my JD 2550, just a little lite on power.

 

[D-]

b&d
Lots of differences between engines.
4520 had pencil injectors, Mickey Mouse
inj pump driven off oil pump where 46 had
4 roller gear driven inj pump at eng front.
4520 had fewer orings on cylinders. Differences
in valve train.

 

[larryanderson]

We had one new and it was underpowered and overbuilt.The turbocharged 4020s would do more.After changing to taller pump and different injectors it came to life and was a good workhorse with few problems.The ones with original engine and powershift sell well to collectors.They made 7875 in 69/70 and were replaced by 4620 which was an updated version The 4320 came the same time[71/72] and the dual pto and turbo made them a super 4020 and are still more popular.

 

[jdjerry]

I bought a aftermarket flywheel $726 verses jd around $1800 and had the pressure plate rebuilt about $1000 with the two clutch discss for my 4520 a couple of months ago. I have had the tractor for 20 years and is a good tractor. It pulls better than my 4440.

 

[buickanddeere]

(quoted from post at 20:17:24 01/15/16) b&d
Lots of differences between engines.
4520 had pencil injectors, Mickey Mouse
inj pump driven off oil pump where 46 had
4 roller gear driven inj pump at eng front.
4520 had fewer orings on cylinders. Differences
in valve train.

I think I said the 4620 engine was an update and had an intercooler .

 

[Tx Jim]

(quoted from post at 10:44:01 01/16/16)

I think I said the 4620 engine was an update and had an intercooler .

Dang b&d English language comprehension in Canada is a lot different than in Texas!!!!

 

[buickanddeere]

(quoted from post at 13:41:37 01/16/16)

(quoted from post at 10:44:01 01/16/16)

I think I said the 4620 engine was an update and had an intercooler .

Dang b&d English language comprehension in Canada is a lot different than in Texas!!!!

It's the difference between metric and Imperial English.

 

[Tx Jim]

(quoted from post at 16:39:24 01/16/16)
It's the difference between metric and Imperial English.

REALLY :roll:

 

[JLG]

My grandfather had a new 4520 on their dairy farm. It earned the nickname "Baby Huey" (after the big clumsy cartoon character ). He said the 4320s came out then and they switched to those. Much more nimble and would do the same work.