Atwood (K6050-81 White Autotrol Motor with Cap DIMENSIONS - Overall: 4" H x 2 1/4" L x 3 1/4" W. USES - The perfect accessory when you need a replacement for your RV fan. MODEL - Model K6050-81. INCLUDED - 12VDC 7 RPM Motor White Cap with 2 screws, and a black knob with screw. Also, (2)Wire Leads with connectors.