The Kubota 1540163040 is a genuine OEM 12-volt, 1.4-kilowatt starter motor designed for reliable engine starting in a wide range of Kubota agricultural and utility machinery. Featuring 9 teeth and clockwise rotation, this starter ensures efficient power delivery. It is a direct replacement for part numbers 15401-63041 and 15401-63042, fitting numerous Kubota B-Series tractors, RTV utility vehicles, K-Series excavators, and ZD/F-Series mowers, providing optimal performance and durability.