A45213 New Voltage Regulator Fits JD MF AC 3020 4000 4020 4030 4050 4250 4440 +One New Aftermarket Replacement Voltage Regulator that Fits John Deere Combine Models: 3300, 4400, 7700. Also Fits John Deere Forage Harvester Models: 5000 Series, 5200, 5400, 5440, 5460, 5720, 5820 Also Fits John Deere Industrial Construction Models: 10, 15, 300D, 310D, 315D, 410D, 44, 444, 444C, 444CH, 444D, 48, 510D, 544B, 544C, 544D, 570B, 640, 644B, 644C, 644D, 644E, 644ER, 646, 670B, 672B, 690D, 693D, 70, 710B, 710C, 740, 740A, 770B, 772B Also