Upgrade or replace with confidence using this Aftermarket crankshaft, 4-cylinder. Compatible with models including 039D, 039T, 2040S, 2140, 2250, 239T, 2450, 2650, 2850. Interchangeable with OEM John Deere part number(s): RE20585, RE65224. Designed to fit John Deere equipment and built for long-lasting performance.