AR74817 New (0.020") Main Bearing Set Fits John Deere 4000 4020 4040 4050 4055 +One New Aftermarket Replacement (0. 020") Main Bearing Set Fits John Deere Tractor Models: 4000, 4020, 4040, 4050, 4055, 4230, 4240S, 4240, 4250, 4255, 4320, 4430, 4440, 4450, 4455, 4520, 4555, 4560, 4620, 4630, 4640, 4650, 4755, 4760, 4840, 4850, 4955, 4960, 7020, 7700, 7800, 8100, 8200, 8300, 8430, 8440, 8450, 8560, 8570 Fits JD Excavator Models: 600, 690A, 690B, 690C, 690, 790, 790D, 792D, 792, 892E Fits JD Wheel Loader Models: 644, 644A, 644C,