The John Deere AL57820 Line V-Belt is an authentic OEM replacement part designed for optimal performance in a wide range of John Deere agricultural tractors. This genuine V-belt line supersedes part number AL59487, ensuring compatibility and reliable operation for essential machine systems. Engineered to meet John Deere's rigorous standards, it provides durable and efficient power transmission for models including the 1020, 1030, 1040, 1120, 1130, 1140, 1350, 1530, 1550, 1630, 1640, 1750, 1830, 1850, 1950, 2020, 2030, 2040, 2040S, 2120, 2130, 2140, 2250, 2450, 2650, 2850, 3030, 3040, 3050, 3120, 3130, 3140, 3350, 3640, 3650, 840, and 940.