The White ZTT 1850 is a zero-turn mower produced from 2001 to 2002 by White, a part of MTD. It features an 18 hp Briggs & Stratton 2-cylinder air-cooled vertical-shaft V-Twin gasoline engine, hydrostatic transmission with infinite forward and reverse gears, and a 3-gallon fuel tank. The mower has a mid PTO with an independent electric clutch. It weighs 700 lbs (317 kg) and rides on 11x4 front and 20x7 rear lawn/turf tires. Attachments include a 42" mid-mount mower deck with 2 blades and a 46" front-mount blade. Electrical system uses a 12-volt battery with negative ground.