AT-502B: More performance; more profit potential. With Air Tractor’s AT-502B there’s plenty of power and a big, 500-gallon payload to please both pilot and operator. The Pratt & Whitney PT6A-34AG turbine engine delivers efficient and effective performance that shortens ferry times and reduces takeoffs and landings. Since 1987 the AT-502 series has set the standard as the industry’s most popular ag plane. You can own one with attractive financing options from Wells Fargo. Talk to your Air Tractor dealer.