4 Pack Set Belt For John Deere 285 Kuhn GMD800, Replace AE73700, 83101792. 5/8″ X 118.06″. Compatible with John Deere Hay Cutting(s) 285. Compatible with Kuhn Hay Cutting(s) GMD800. Apply to remote districts. We always do our best to provide products of high quality at a favor price and creat a relaxed and happy shopping experience. Your 5 star feedback is the best gift for us.