Countershaft (15 Tooth/17/20 Spline) - 906472M2 Models 1085, 133, 135, 140, 145, 148, 150, 152, 155, 158, 165, 168, 175, 185, 188, 230, 235, 240, 243, 245, 250, 253, 255, 260, 2625, 263, 265, 270, 275, 283, 285, 290, 295, 298, 340, 342, 350, 352, 355, 360, 362, 365, 375, 383, 390, 390T, 393, 396, 4225, 4235, 4240, 4245, 4255, 4265, 4315, 4320, 4325, 4335, 4345, 4355, 550, 560, 565, 575, 5830, 590, 595, 6030, 675, 20E, 20F, 415, 435, 440, 425