PRR SD45 #6174. - DC - Features See-Through Fans on Long Hood, Finely Crafted Handrails, Lift Rings, & Windshield Wipers, Micro-Molded Detail, Heavy Die-Cast Chassis for Maximum Tractive Effort, DC Motor with Superrite Anisotropic Magnets,Sintered Bronze Oilless Bearings, 5-Pole Skew Wound Balanced Armature Motor with Low Amp Draw, All-Wheel Drive & All-Wheel Electrical Pick-Up, Dual Machined Brass FlyWheels, Precisely Meshed Worm & Spur Teeth for Silent Running, Frame Mounted Screw-In Universal Coupler Pockets, PROTO 2000 Magnetic Knuckle Couplers, Body Assemblies to Chassis with Screws, Detailed Cab w/Crew, Laser Quality Paint & Lettering, Constant & Directional Headlights & Lighted Number Boards.- Proto2000 Item #30731.