A medium sized riding mower may hold two gallons, while a larger lawn tractor may hold three to four gallons. Some commercial riding mowers with oversized fuel tanks may hold five to ten gallons of gasoline. It all depends on the size of the mower.
Craftsman 37420 21" 140cc Briggs & Stratton Rear Bag Push Lawn Mower w/ High. Overall Dimensions, 25 x 24.25 x 17.5. Fuel Capacity (gal.) 0.2 .
This CRAFTSMAN 37451 lawn mower is powered by a Briggs & Stratton Platinum. Fuel Capacity (gal.) 2. Recommended Oil & Capacity, SAE 30, 15.5 oz.