WWII radio dynamotors (power supplies) for military aircraft radios ARC 14482, Type DMX310, 28 VDC input, 250 VDC output, 85 ma 2 EA DY-86/ARN-30 1 EA D-10A (28v) Dynamotor, Type OS-200, 14 VDC input, 235 VDC output, 90 ma motor mounts need repair Dynamotor, Type DM21B, 14 VDC input, 235 VDC output, 90 ma motor mounts need repair