I work with a Rayco 1625 and I'm considering a larger machine. I still want a self propelled, just more power. It should be obvious what the difference is between my 25 HP gasoline engine compared to a larger 50 or 60 HP diesel but my knowledge is limited. Not considering all the technical numbers, what can I really expect to see that is different, e.i. time, ease, etc? The difference in price is huge and I need to know what the benefits would be.