For my X595 (diesel) I can run at WOT for one hour and use ~ .7gal.
I have only one complaint about the X595. That darn fuel level indicator is either 3/4 to full or about to run empty. There seems to be no middle (1/2 1/4 etc.)! /forums/images/graemlins/frown.gif
The X495 (Diesel) is the way to go. I replaced my 318 with it and I am very happy! I belive this mower will out last a couple mower decks and me.
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Guess I'm one of the few that isn't worried about the amount of fuel consumed by my X585. I have a 120' driveway to plow and 1.5 acres to mow. Before you tell me that I could have bought a smaller unit, please understand that I feel Tim Taylor is conservative.
My LX280 gas mower seems to be thirsty when compared to the things I've done with the bigger and heavier 4100 which is a diesel. Sure makes me think I should have gone with a diesel mower /forums/images/graemlins/smile.gif
I had a GX335 with the 20-hp Kawasaki before I got the X, and I was amazed (and alarmed /forums/images/graemlins/shocked.gif) at the amount of fuel it took. Now I can fill up with diesel and mow my 5 acres, then do odd-jobs (hauling with trailer, harrowing) for a week or so before I need to refill.
My 4010 uses 0.45 gallons/hr. Based on extensive data on automobiles, a carbureted model would use 50% more. A fuel-injected model would use only about 25% more. Otherwise, prorate on hp if nearly same weight or weight and hp if different weight. The 4010 is 18.5 hp and about 2600# with FEL and LX4.
If you're ever comparing automobiles/trucks, the above factors work, but mostly just on weight.
</font><font color="blue" class="small">( I have only one complaint about the X595. That darn fuel level indicator is either 3/4 to full or about to run empty. There seems to be no middle )</font> Hey awlchu - Had kind'a the same problem with mine - except it read FULL all the time!! The dealer replaced the gauge package, but it still does the same thing!! Since it sips diesel at such a leisurely pace, I just make sure I fill up each time I mow, and, no prob's. That diesel's definitely the way to go.
Oops!! That has nothing to do with the original post. /forums/images/graemlins/blush.gif
I upgraded from a 335 20HP gas to a 355D 18HP. The rated fuel consumtion is half on the 'lil diesel. I'm sure the comparable X series engines are the same.