Description
Description
This is MTH 20-20183-1 SD50 w/Snd Hi-Rl UP. SD50 diesel engine with Proto-Sound 3.0 (hi-rail wheels), Union Pacific. Cab # 1: 9847. Cab # 2: 9849. Cab # 3: 9855. EMD’s 50 Series diesel locomotives of the mid-1980s were the product of the most extensive testing in the company’s 50-year history. Both the four-axle, four-motor GP50 and the six-axle, six-motor SD50 utilized a new control system that substantially increased hauling capacity and reduced engine noise levels.
The 3500 hp SD50 measured just 30 longer than the SD40-2 it replaced but differed substantially in appearance. Gone were the front and rear porches of the SD40-2 and the dynamic brake blisters on the sides of its hood. Under the SD50’s longer hood, the dynamic brakes, which generate a lot of heat, were relocated from a position over the hot engine to a cleaner, cooler area just behind the cab.
The SD50 also introduced EMD’s new Super Series control system, which included a radar unit for measuring true ground speed and electronic monitoring of the electrical equipment. A primary benefit of the new control system was its ability to maximize rail adhesion by automatically applying short bursts of sand as needed to maintain traction. The system allowed three SD50s to do the work of four older locomotives.
Its key features are:
Directionally controlled headlights
Intricately detailed ABS body
Metal wheels, axles and gears
Die-cast truck sides, pilots and fuel tank
Two remotely controlled Proto-Couplers
Colorful paint scheme
Metal chassis
Metal handrails and decorative horn
Two precision flywheel equipped motors
Locomotive speed control
Proto-Scale 3-2 3-rail/2-rail conversion capable
Lighted cab interior
Illuminated number boards
Lighted marker lights
Two engineer cab figures
Metal body side grilles
Operating smoke unit
Moveable roof fan blades
Proto-sound 3.0 with The Digital Command System featuring: freight yard Proto-Effects
Unit measures: 18 3/4 x 2 3/4 x 3 7/8
Condition: Factory New (C-9)
Operational Status: Functional
Original Box: Yes (P-9)
Manufacturer: MTH
Model Number: 20-20183-1
Road Name: Union Pacific (UP)
Scale/Era: O Modern
Model Type: Diesel Loco
The Trainz SKU for this item is P11648191.
Trainz Product Id: 11648191
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