12 Volt Single Speed 2 Wire Motor With 5/16'' Shafts, Reversible12 Volt Single Speed 2 Wire Motor With 5 16'' Shafts, Reversible ZGG701072, 2809 541 102 TYPE: Double Shaft, Single Speed SHAFT SIZE: 1 1 2'' SHAFT LENGTH: 2 7 8'' MOTOR DIAMETER: 3'' MOTOR LENGTH: 4'' ROTATION: Reversible NUMBER OF WIRES: 2 VOLTAGE: 12 NUMBER OF SPEEDS: Single VENTED OR NON VENTED: Vented STUD SPAN: 2 5 16'' Can be installed on the following vehicles: BUS BLUEBIRD BUS BUS THOMAS BUS Vented Motor OEM Numbers ZGG701072, 2809 541 102