The Kuhn Z4502260 is a genuine OEM pinion with 27 teeth, designed for precise power transmission in Kuhn GMD series disc mowers. This essential component ensures optimal performance and durability for various models including GMD 66, GMD 77, GMD 88, GMD 99, GMD 600, GMD 700, GMD 800, GMD 900, GMD 280, GMD 310, GMD 350, GMD 400, GMD 440, GMD 500, GMD 550, GMD 602, GMD 702, GMD 802, GMD 902, GMD 2802, GMD 3102, GMD 3502, GMD 4002, GMD 4402, GMD 5002, GMD 5502, GMD 602F, GMD 702F, GMD 802F, GMD 902F, GMD 2802F, GMD 3102F, GMD 3502F, GMD 4002F, GMD 4402F, GMD 5002F, and GMD 5502F.