PRR "Congressional" Passenger Set Consists of One Powered A Unit with a Unpowered B Unit & An Unpowered A Unit the Powered Unit Has Two Pullmor Motors Engineered for Long Life and Ease of Maintenance, Eight Wheel Drive, Weighs a Massive Four Pounds, Has Working Headlight and Illuminated Number Boards, Die-Cast Chassis, Die-Cast Trucks, Transformer Controlled Forward/Neautral/Reverse, Operating Knuckle Coupler on Front Each A Unit, Complete and Accurate Detailing, Authentic Tuscan Red Paint Scheme with Metallic Gold Markings. Runs on Both "O" & "O-27" Layouts. Passenger Cars Have Suberbly Detailed Extruded Aluminum Bodies, They Also Feature Interior Illumination Silhouetting Passengers, Metal Chassis, Operating Knuckle Couplers, & Die-Cast Trucks & Wheels.. Operates on "O" Gauge Layouts.