[MeanGreen]

Yup, 2 gallons an hour.....


I am not suprised that it eats fuel, but I expected about 1.5 gallons an hour or less since I have not been pushing the tractor at all!:kidw_truck_smiley:

Even then Brian, it looks like you might have been taking it easy..According to the Nebraska Test Lab, your 4520 burns 3 Gal an hour:
http://tractortestlab.unl.edu/Deere/JD_4520EHydro.pdf

From a HP-HR/Gal standpoint, the big ones ARE more fuel efficient....I'd say your correct when you say your 1586 uses less fuel.