This is an MTH 20-20178-1 Southern SD24 Diesel Engine w/Proto-Sound 3.0 #6316. GM's Electro-Motive Division took a great technological stride forward with the introduction of the turbocharged SD24. In turbocharged engines, exhaust gases are used to power a turbine that increases cylinder air pressure, thus effectively increasing horsepower. In fact, the 16-cylinder model 567 diesel that produced 1800 horsepower in the normally aspirated SD18 locomotive was upgraded to 2400 horsepower in the turbocharged SD24. Turbocharged engines also run better at varying altitudes, making them ideal for railroads that travel through changing terrain. Look on the left side of the SD24's hood for the semicircular bulge that marks the location of the turbine. The SD24s were close relatives of the popular GP-series engines. The primary difference was that SD-series (for Special Duty) locomotives were lengthened to make room for three-axle, three-motor trucks. For a GP and an SD engine of the same horsepower, the extra wheels on an SD locomotive gave it more tractive effort at low speeds and less engine weight on each axle. For this reason, the SD24 and others in the SD series were ideally suited for secondary lines with lighter rail. Last cataloged in 2007, the SD24 returns to the Premier product line in four exciting paint schemes each outfitted with the power and performance of Proto-Sound 3.0.
Its key features are: (2) remotely controlled Proto-Couplers Metal chassis (2) precision flywheel equipped motors Illuminated number boards Intricately detailed ABS body Directionally controlled headlights Die-cast truck sides, pilots and fuel tank Authentic paint scheme Metal handrails and decorative horn Lighted cab interior Lighted marker lights Metal body side grilles Operating smoke unit Metal wheels, axles and gears (2) cab figures Proto-Scale 3-2 3-rail/2-rail conversion capable Moveable roof fan blades Locomotive speed control in scale MPH increments Proto-Sound 3.0 with The Digital Command System featuring: freight yard Proto-Effects Unit measures: 15 3/8 x 2 5/8 x 4 Operates on O-31 curves
Condition: Factory New (C-9) Operational Status:Functional Original Box: Yes (P-9)
Manufacturer: MTH Model Number: 20-20178-1 Road Name: Southern Railway (SOU)
Scale/Era: O Modern Model Type: Diesel Loco
The Trainz SKU for this item is P11643064.
Trainz Product Id: 11643064
WARNING:
This product can expose you to chemicals including but not limited to lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov
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