good evening fellas.i have a 2005 jd 5203 tractor.it still has the factory fill deere hydraulic oil in it.i was browsing the oil aisle at walmart and noticed a 5 gallon pail of shell rotella t universal hydraulic oil.i was just wondering if it was any good?how does it stack up against john deere hy gard,i think that is the name of it,hydraulic fluid?