Gear - Idler - 3637075M91 Models 165, 168, 174, 175, 178, 184, 185, 188, 2200, 2204, 2250, 2254, 240, 255, 265, 274, 275, 283, 284, 285, 290, 294, 3050, 3060, 3070, 374, 382, 383, 384, 387, 393, 397, 500, 50B, 50E, 565, 575, 590, 6500, 6530, 6550, 675, 6830, 6840, 6860, 6870, 6880, 690, 698T, 7500, 7550, 7830, 7860, 7870, 7880, 8500, 8550, 8830, 8860, 8870, 8880, A1.236, A4.212, A4.236, A4.248, Advantage 65, Advantage 75, Atlas 75, Atlas 85, Blizzard 65, Blizzard 75, Blizzard 85, C6500, C6830, C7800, C7830, CF6830, Trekker 70, Trekker 75, Trekker 85, Rex 85, Rex 75, Rex 65