1700-0574 12 Volt Voltage Regulator Fits International IH 4100 4156 444 504 544One New Aftermarket Replacement 12 Volt Voltage Regulator Fits Case Fits FARMALL IH Fits Cub Cadet Models: 1026, 1066, 1206, 1256, 1456, 1466, 1468, 3850, 4100, 4156, 444, 504, 544, 606, 656, 664, 706, 756, 766, 806, 826, 856, 966, 1066, 1206, 504, 544, 656, 706, 756, 806, 826, 856, HYDRO 100, 21026, 21206, 21256, 21456, 2444, 2504, 2544, 2606, 2656, 2706, 2756, 2806, 2826, 2856, 70, 100. Also Fits David Brown Tractor Model 3800. Technical Info: 12