The GP-40 was the 3000 horsepower successor to the late 1960s-era GP-38, best characterized by the three full size radiator fans on the rear of the roof. These exciting models feature dual flywheel-equipped five-pole skewed armature motors with low-friction drives. Features Include: * Directional lighting * Walkway safety tread * Blackened metal wheels * Scale speed(TM) motor * Factory-equipped with AccuMate(R) knuckle couplers * Dynamic brakes (as appropriate for each roadname) * Golden-white LEDs * Prototypical sill detail