Gravely 816S Riding Lawn & Garden Tractor, 16 HP Gas Engine, Gear Drive Transmission, 1,557 Hours on Tach, 54 in. Deck, Turf Tires, Runs. Preview & Pickup Location: Jack Nitz Auctions Office-230 Ridgeland Ave, Fremont, NE 68025. Stop any time between 8:00 am - 4:30 pm Mon-Friday to inspect.