For sale is a Dynamatic Ajusto spede; M2-410004-5041 WM; Max 1600 RPM; 40 - clutch volts; Min 50 RPM; 0.85 - clutch volts; 1/2 HP; 1 PH; 115/2330 V; 8/4 A; 60 Hz; Overall Dimensions: 18 x 14 x 16"