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Con-Cor - 0001-002657 - Locomotive, Diesel, EMD SD50 - Southern Pacific - 6556

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N Scale - Con-Cor - 0001-002657 - Locomotive, Diesel, EMD SD50 - Southern Pacific - 6556
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Stock Number0001-002657
Secondary Stock Number2657
Original Retail Price$49.98
BrandCon-Cor
ManufacturerCon-Cor
Body StyleCon-Cor Diesel Engine SD50
Prototype VehicleLocomotive, Diesel, EMD SD50 (Details)
Road or Company NameSouthern Pacific (Details)
Road or Reporting Number6556
Paint Color(s)Dark Gray
Print Color(s)White
Paint SchemeRoman Lettering
Coupler TypeRapido Hook
Coupler MountTruck-Mount
Wheel TypeNickel-Silver Plated Metal
Wheel ProfileStandard
DCC ReadinessNo
Release Date1986-01-01
Item CategoryLocomotives
Model TypeDiesel
Model SubtypeEMD
Model VarietySD50
Prototype RegionNorth America
Prototype EraNA Era V: Modern Diesel (1979 - Present)
Scale1/160



Model Information: Introduced in 1986.
Shares the same chassis, made by Roco in Austria, as other Con-Cor locomotives of the same vintage: EMD SD40-2, SD45 and Alco C-636.
A very distinctive spotting feature is the fuel tank that appears to be in two parts: the largest one being part of the metal chassis, and the smallest one being a plastic add-on. This is due to Con-Cor having pulled the rear truck backwards from the chassis on the SD50 and SD40-2 compared to to the C-636 and SD45.
The bottom of the fuel tank is stamped ' Con-Cor Austria'.
Other features include:
- Skew-wound 3-poler motor.
- Four wheels per truck are geared and and four provide pick-up. Center wheels come with traction tires and are geared. Wheels on the last axle provide pick-up but are not geared.
- Wheel flanges are reported not fitted for Code 55 track.
- Truck-mounted Rapidos couplers.
- Non-directional headlight.

A number of these models were delivered without a road number. Due the lack of reliable source, we cannot certify if the road numbers that we have indicated are factory-original or custom numbers. Any additional information would be highly appreciated.
DCC Information: No provision for DCC.
Prototype History:
The SD50 was produced in response to increasingly tough competition from GE Transportation Systems, whose Dash 7 line was proving quite successful with railroads. While EMD's SD40-2 was a reliable and trusted product, GE's line included locomotives up to 3,600 hp (2,685 kW) with more modern technology, as well as very competitive finance and maintenance deals. EMD responded throughout the SD50 program by offering discounts on large orders.

GM-EMD had previously produced 3,600 hp (2,685 kW) locomotives, the SD45 and later SD45-2, but these used huge, 20-cylinder engines with high fuel consumption, and had reliability problems when first introduced. Demand for the 45 series dropped sharply after the 1970s fuel crisis. The SD50 used an updated version of the V16 645 used in the SD40-2, uprated to 3,500 hp (2,600 kW)- and later 3,600 hp (2,685 kW) - at 950 rpm from 3,000 hp (2,240 kW) at 900 rpm. This proved to be a step too far; the 50 series models were plagued by engine and electrical system problems which harmed both sales and the reputation of EMD.

From Wikipedia
Read more on American-Rails.com
Road Name History:
The Southern Pacific Transportation Company (reporting mark SP), earlier Southern Pacific Railroad and Southern Pacific Company, and usually called the Southern Pacific or (from the railroad's initials) Espee, was an American Class I railroad. It was absorbed in 1988 by the company that controlled the Denver and Rio Grande Western Railroad and eight years later became part of the Union Pacific Railroad.

The railroad was founded as a land holding company in 1865, later acquiring the Central Pacific Railroad by lease. By 1900 the Southern Pacific Company was a major railroad system incorporating many smaller companies, such as the Texas and New Orleans Railroad and Morgan's Louisiana and Texas Railroad. It extended from New Orleans through Texas to El Paso, across New Mexico and through Tucson, to Los Angeles, through most of California, including San Francisco and Sacramento. Central Pacific lines extended east across Nevada to Ogden, Utah, and reached north through Oregon to Portland. Other subsidiaries eventually included the St. Louis Southwestern Railway (Cotton Belt), the Northwestern Pacific Railroad at 328 miles (528 km), the 1,331 miles (2,142 km) Southern Pacific Railroad of Mexico, and a variety of 3 ft (914 mm) narrow gauge routes.

In 1929 SP/T&NO operated 13848 route-miles not including Cotton Belt, whose purchase of the Golden State Route circa 1980 nearly doubled its size to 3,085 miles (4,965 km), bringing total SP/SSW mileage to around 13,508 miles (21,739 km).

By the 1980s route mileage had dropped to 10,423 miles (16,774 km), mainly due to the pruning of branch lines. In 1988 the Southern Pacific was taken over by D&RGW parent Rio Grande Industries. The combined railroad kept the Southern Pacific name due to its brand recognition in the railroad industry and with customers of both constituent railroads. Along with the addition of the SPCSL Corporation route from Chicago to St. Louis, the total length of the D&RGW/SP/SSW system was 15,959 miles (25,684 km).

By 1996 years of financial problems had dropped SP's mileage to 13,715 miles (22,072 km), and it was taken over by the Union Pacific Railroad.

Read more on Wikipedia.
Brand/Importer Information:
Con-Cor has been in business since 1962. Many things have changed over time as originally they were a complete manufacturing operation in the USA and at one time had upwards of 45 employees. They not only designed the models,but they also built their own molds, did injection molding, painting, printing and packaging on their models.

Currently, most of their manufacturing has been moved overseas and now they import 90% of their products as totally finished goods, or in finished components. They only do some incidental manufacturing today within the USA.

Important Note: The Con-Cor product numbering can be very confusing. Please see here in the article how to properly enter Con-Cor stock numbers in the TroveStar database.
Item created by: Alain LM on 2018-08-25 16:07:10. Last edited by gdm on 2020-12-17 06:58:24

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