Clutch disc Massey Ferguson 1688207M91 LUK Available, among others, Massey Ferguson 300: 390T, 398, 399 1000: 1004T Technical data: Ø: 330mm Number of teeth: 21 Spline: 25.4 x 29.5 Comparison numbers: 1688207M91, 221-70, 1692759M91 Manufacturer: LUK< p> When you buy parts for agricultural machinery in our online store, you are guaranteed that you will receive products of the highest quality. We offer original LUK clutches. LUK clutches are a guarantee of reliability.