6659156764 / 66591-56764 / 66591-5676-4 1427-433- 005-00 / 1427-433-0050-0 / 142743300500 Sprocket Iseki TX, Kubota B Iseki TX: TX1000 TX1300 TX1410 TX1500 TX1510 TX2140 TX2160 Kubota B (: B5000 B5001 up to 10030 series) B6000 B6001 (up to 10230 series) B7000 B7001 (up to 10030 series) Dimensions: Teeth: 12 pieces Splines: 14 pieces