The John Deere AL56728 is a genuine OEM speedometer designed for various John Deere 10, 20, 30, 40, and 50 series tractors. This essential component provides accurate speed readings, crucial for operational efficiency and safety. It is a direct replacement part, ensuring compatibility and reliable performance for models including 1020, 1030, 1040, 1120, 1130, 1140, 1630, 1640, 1830, 2020, 2030, 2040, 2040S, 2120, 2130, 2140, 2250, 2450, 2650, 2850, 3030, 3040, 3050, 3120, 3130, 3140, 3350, 3640, 3650, 840, 920, 930, and 940.