The John Deere LCA66037 Knife is an authentic OEM replacement part designed for optimal cutting efficiency in John Deere Forage Harvesters and Crop Headers. This durable knife measures approximately 254 mm in length, 51 mm in width, and 6.5 mm in height, with a weight of 0.1 kg. It is engineered to maintain the high performance and reliability of your agricultural machinery, ensuring clean cuts and extended operational life. Compatible with various 600C, 600F, 600FD, 600R, 600X, 700C, 700D, 700FD, 700X series headers and 8100 through 9900 series forage harvesters.