John Deere GX85 John Deere GX85 Price, Review, Specs: John Deere GX85 Riding Lawn Mower is equipped with a Briggs & Stratton 28M707 gasoline 1-cylinder air-cooled vertical-shaft, 465cc engine, which delivers 13 hp (9.7 kW) power. John Deere GX85 Riding Lawn Mower featured with a 4x2 2WD chassis, 13HP Briggs & Stratton 465cc 1-cyl gasoline engine, Manual steering, Disc … [Read more...] about John Deere GX85 Riding Lawn Mower Price, Specs, Review