Semi-Automatic Transformer Horizontal Coil Winding Machine Heavy-Duty Wire Winder WR-5T semi-automatic coil winder built for transformer copper and aluminum coils. High torque, preset turn counter, foot-switch direction control, custom specifications available. Product Description The WR-5T heavy-duty semi-automatic horizontal coil winder is purpose-built for transformer coil fabrication, supporting winding work with copper wire and aluminum conductors for distribution