Hey all, this is my first post but i have gotten many questions answered by just reading different post/answers for years now. hay season is quicky approaching us and i was looking to get a little more hp out of my John deere 5420. to my knowledge the only difference between the 5420 and 5520 is the turbo. same engine size and displacement. what would i be looking at in doing this add on? Intake manifold, Exhaust manifold, turbo, and oil lines? if the hp and fuel savings worth it?
Adding turbo to John deere 5420
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sandman2234
Super Member
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- Jacksonville, Florida
- Tractor
- JD2555 and a few Allis Chalmers and now one Kubota
An increase of 8 horsepower when you are over 80 hp isn't as much as you would think. I own a JD2555 and a JD2555 that had a 2755 engine installed in it. From the operating station, I can't tell the difference in the two tractors doing the same jobs, such as pulling the 15' batwing. There are differences in the two tractors, but they arise from one having a loader and 4wd and the other just being 2wd.
I am thinking that what you do with that 81 horsepower versus the 89 horsepower is going to be the answer to your question. There are some operations that use a lot of hp and some that don't. Whatever it is that you think you are going to improve with 8 additional horsepower, probably won't show up from the operator's station. It might show up over the long term in a spread sheet, but I doubt it.
As much as I hate to say it, I doubt spending the money and time will be worth it in the long haul.
Another example when 8 horsepower makes a difference is on smaller tractors. I went from a Ford 1100 to a Ford 1210 to gain 3 horsepower. That was just enough to allow me to pull a 5 foot finish mower. In reality, I wasn't really satisfied with the 1210's increase in horsepower and when I acquired a 29 horsepower tractor, it became my 5 foot finish mower power source.
David from jax
I am thinking that what you do with that 81 horsepower versus the 89 horsepower is going to be the answer to your question. There are some operations that use a lot of hp and some that don't. Whatever it is that you think you are going to improve with 8 additional horsepower, probably won't show up from the operator's station. It might show up over the long term in a spread sheet, but I doubt it.
As much as I hate to say it, I doubt spending the money and time will be worth it in the long haul.
Another example when 8 horsepower makes a difference is on smaller tractors. I went from a Ford 1100 to a Ford 1210 to gain 3 horsepower. That was just enough to allow me to pull a 5 foot finish mower. In reality, I wasn't really satisfied with the 1210's increase in horsepower and when I acquired a 29 horsepower tractor, it became my 5 foot finish mower power source.
David from jax
