#140A-689 500HP DC Motor; Philadelphia gearbox; Joilet electrical controls; Westinghouse motor: 500HP; 550V-3ph-60 cycle; 1150 RPM; Philadelphia gearbox, 3 speed, size: 4015; ratios: 1:1, 1.41:1, 1.75:1; Joliet Simoreq electrical DC controls; Microprocessor DC: max. input: 480V-3ph-60cycle