If you are interested I can tell you how to convert to "universal" gauge and sender (sender is jd). The gauge can be gotten from deere for $$ or off shelf at autozone for 15$. I converted 2 4020's to this and like knowing I don't have to spend a ton of money for the deere gauge any longer.
Get the fuel gauge sender AR46268 (201000- 4020). It is the "universal gauge" ohm range. It puts out 240 ohms empty, and 33 ohms full. With that range you can get off the shelf generic 2" gauges anywhere. In dad's I put an Aquus gauge and it looks nice, in mine I have a Sunpro and its cool too. The factory hole is for 1.5" gauges so I used a 2" hole saw to cut the dash (its crap grade aluminum). Most likely any gauge you use (even the Deere replacement ones) are to "deep" and will hit and short out behind them unless you bring them thru the front, not rear mount them like the factory did. You have clearance and it looks fine in my opinion. The late model 4020 sender I listed above was 60 or 70$ if I recall and you likely will never need to replace it again. I spent 15-20$ on each of the fuel gauges.
Here is a picture of my redone dash, I cleaned it up, painted it, replaced all gauges to match and added volts and oil pressure. I didn't remove anything.
This post was edited by 4020_1966 at 19:16:11 10/10/12.
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