Stop in for a cup of coffee

Looks like a decent deck width, 3 blades?
They tell me the diesel engine is water cooled and burns have the gas as a gas powered mower. Also cost a little more right now at the pump.
They burn farm diesel which we can get being out here in the country. I guess it's 30 cents cheaper than regular diesel.
Is it the same stuff I don't know. Maybe Chris can tell us.