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4020 turbo

M

marcusoverholtzer

Member
Hey guys thinkin of throwing a turbo on my 4020 deisel after restoration. I plan to sell the
tractor after a bit then. Is the turbo going to increase ir reduce the value or is this a bad
choice?? let me know what yall think. Thanks
 
Well, If I was going to use it. I would not buy a 4020 with a turbo. They all ended up with cracked blocks.
 
Engine systems are engineered around the intended power output expected from it. A non-turbo engine will, in most cases, be unhappy making the kind of power that a turbo can produce. Things like bigger cooling systems, stronger pistons and rods, oil pump volume increases to allow piston cooling spray nozzles, and other changes to keep them together. Power trains/ gears clutches, and final drive systems can also be upgraded to handle the 20 to 40% more power that can be produced with a turbo and a turned up pump. The potential buyer will see the non-factory components and be concerned that it was beaten to death because of the turbo. From the expense needed to do it correctly, and the skepticism in the mind of a buyer, I would not do it. Sell it and upgrade to a more powerful tractor that was engineered around the output you need. Jim
 
I will not buy a tractor that has had a turbo add or the injection pump turned up a lot. Both lead to bad engines. So in my opinion the turbo makes it worth less for resale.
 
Many years ago John Deere ran an ad that showed differences in the internal parts they used in the naturally aspirated, turbocharged and turbo + intercooled engines of similar tractor models. The point being that an aftermarket turbocharger on an NA tractor is not the same thing as a factory-built turbocharged tractor.
 
Around here it would increase the value,,a lot of the negative thoughts about adding a Turbo are unfounded, a turbo added to a 4020 will add about 20hp on a dyno test, this is not enough extra to hurt any thing,, a 4020 and a 4320 are near the same from the clutch housing back,, a 4230 and a 4430 is exactly the same from the clutch housing back, a 4020 will live a long life working at the 130 or so horse power range,, I have one here that has been spinning a feed grinder for many years working strong and living well, the turbo has been on it for many years,,no problems at all... When turbo'ed tractors first came out every one thought it would be the death of a tractor, now they are on near all tractors, and even cars, my Lincoln has 2 of them on it....
 
Lets see a pic of your Lincoln! Sounds snazzy!! lol So i figured out my 4020 is 1965 not a 1968 so it has the round intake manifold does that change anthing? I know on this early of a 4020 I should upgrade oil pan and radiator fan to keep it cool. Thanks
 
Adding a turbo is absolutely a BAD idea.

First off you will NEVER get what you paid for the turbo back out of the tractor when you sell it. The whole is always worth less than the sum of the parts when it comes to tractors.

Second off in another thread you question the condition of the engine. If you doubt the engine, why would you stress it by adding a turbo?

Frankly it sounds like you're new to all this. Go ahead with your plans however you want but don't be surprised when all is said and done that you end up losing several thousand dollars in the sale, or end up with a grossly overpriced tractor that nobody will buy. A first timer doing his first time overhaul and first time paint job is not going to rake in the top dollar that a well known tractor restorer might. The tractor would have to look perfect UP CLOSE, feel perfect, run perfect, drive perfect to get back the $20,000 you could easily invest in this project if you do everything you say.

For there to be money in it at all you would have to get the tractor for a bargain (or steal it), luck out on it having a good engine, hope it doesn't need much in the way of major mechanical work, do all the minor mechanical work yourself, put a reasonably good paint job on it. If you have to put tires on it that's going to cut into your profits.
 
Just so were straight I Am a first time restorer and not very knowledgable at this point I AM
NOT going tp put a turbo on the tractor. From what all you guys are saying its not a good
choice. I plan to paint it and supply the missing or broken parts fix any mechanical issues and
the likes. It has 90 percent rear tires and brand new front already when I bought it. Thanks
 
> a turbo added to a 4020 will add about 20hp on a dyno test, this is not enough extra to hurt any thing

The Nebraska test of the 4020 in 1963 indicated 84 PTO hp. Another 20 hp on top of that would require a 24 percent increase in torque. Sorry, but you can't expect to increase the stress on parts by 24 percent above what they were designed for without affecting engine life and reliability. Even a conservative design like the 4020.

> a 4020 will live a long life working at the 130 or so horse power range

Now you're talking about a whopping 55 percent increase in power and torque. There is a 130 hp 4020; it's called a "5020".
 
I was referring to the post that stated all 4020's with turbos ended up with cracked blocks.
 
Just about any 4020 with out a turbo will dyno 100-115 hp,,they use the same crankshaft and bearings as a 8430, which is a 200 hp unit,, ,,near same head bolts and many other things similar,,so what I am explaining is the 4020 is "over built" for a 100Hp tractor,, and yes it will live a long life at 120-130 hp,there are many of them like this around here proving it...and I am sure there are many on here knowing this is a correct scenario..
 

Well if it was me I would throw the turbo on, crank the injection pump to the max, bump the timing about 5 degrees, go to a few tractor pulls. After have some fun for a few pulls, put it back to how it was and sell it two counties over. Or maybe I would end up pulling with it for five-ten years.
 
Im not trying to build a puller!! If you guys are mistaken then I apolagize all i want is to
throw a turbo and upgraded oil pan and radiator fan and maybe bump the pump up just a tiny bit.
Im not out to gain max hp.
 
(quoted from post at 16:11:06 10/21/16) Im not trying to build a puller!! If you guys are mistaken then I apolagize all i want is to
throw a turbo and upgraded oil pan and radiator fan and maybe bump the pump up just a tiny bit.
Im not out to gain max hp.
Click to expand...

You would be a long way from Max HP, LOL. Check my post. I wasn't telling you what to do, just what I would be tempted to do if it were me.
 
There is no sense throwing money in a tractor you are going to sell, you are money ahead not doing anything.
 
I have had several 4020's with turbos and non ever had a cracked block. I have one now that has been turboed for at least 25 yrs and runs great at about 120 horse.
 
Never heard of a 4020 with a turbo that cracked a block..There were several in my area that ran
110-120 horses...I have a MW turbo and manifold that came off a 4010..
 
To a potential buyer, a turbo on a non-turbo tractor is going to raise nothing but questions that they know they aren't going to get honest answers about. No added value and maybe less market. I wouldn't.
 
Everyone else says not to do it! Im torn between turboing it or not. I dont want to sqeeze all the power I can get out of it only put the turbo on and be happy with what boost it will give. I plan to put a new mw pipe and bigger oil pan and possibly mw fan and shroud.
 

Putting a turbo on a 4020 and using it for an extra 10-20 HP of snort to get through occasional tough spots is one thing . Adding a turbo, dialling the injection pump way up and lugging the tractor to the max is another .
 
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