I do my 5 acres with a 7mph 60’ zero turn. It takes 2.5 hours and 2.5 gallons of gas. This used to be a hay field and is only now becoming nicely filled in lawn. But if my mower went any faster it would bounce right into orbit.
Nice. I picked up a 2003 21hp MTD Yard Machines mower a while back. Sold engine and does a great job with its 42” deck. Use nothing but non ethanol premium in it and it runs li k e a dream.