RjCorazza
Elite Member
I'm wondering how many mowings you'd need to make to pay off the difference in a diesel versus gasser mower. Anyone care to take a stab at it? Mileage is better, but diesel isn't exactly free, either. I mow 3-4 acres every 3 - 5 days, and I don't think I could manage to rack up enough in fuel savings to offset the higher price of the diesel, I'm guessing only a commercial outfit is going to be able to make those numbers work.
As to maintenance, I've owned my mower almost 20 years, and have not had a single expense related to the engine, other than yearly oil and filter.
I'll take a shot at that...
For my use of 35.45 acres per week :
Diesel gallons = 14.5 / wk
Diesel at $3.85 = $60 / wk
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Gas gallons = 29 / wk (conservative)
Gas at $3.25 = $94 / wk
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So $34 less per week on diesel, times 28 weeks of mowing equals $952 less per year diesel fuel cost.
Fuzzy math : 10 year diesel life expectancy at 500 hours per year (conservative). So over 10 years running the diesel costs $9500 less in fuel use. Rough numbers for Kubota gas commercial zero turns are $5000 less than a diesel (z700 vs zd1211).
So for my use I think 5 years is about the break even point between gas and diesel. There are other factors to consider like resale value, and that a gas mower is not likely to last 5000 hours without at least one repower.