AZL - 914836-2 - Reefer, 57 Foot, Mechanical, PC&F R-70-20 - Southern Pacific - 2-Pack

Specific Item Information: Road Numbers: 459527 & 459526

Prototype History: Pacific Car and Foundry responded to the railroad’s migration from ice stored in bunkers as a primary cooling system to the diesel mechanical systems. The mechanical reefers could keep a more regular temperature, often times colder then what the ice bunker cars could at the time. Initially mechanical reefers were used primarily in frozen food service. This would soon change as mechanical refrigeration began to replace ice-based systems. Soon after, mechanical refrigeration units replaced the “armies” of personnel required to re-ice the cars. Several different deliveries of the PC&F 57’ mechanical to many different railroads in the mid to late 1960s. Many have been rebuilt and are still in service today.

These 50'-10" mechanical refrigerator cars were built by PC&F in 1969-70 and featured 4269 ft3 capacity and a 10'-6" door opening. Note that this body style is sometimes referred to as 57', however, the mechanical refrigeration eqipment takes up space on one end of the car thus leaving a nominal 50' usable inside length for loading. Bangor and Aroostook often leased it’s reefer fleet to Pacific Fruit Express in the off season for the railroad. This turned out to be a peak season for PFE in California. Green Bay and Western purchased several classes of 57’ Mechanicals from the BAR. Many were hastily patched and put into service. The GB&W cars were often seen on the North Western Pacific in California carrying butter from the Humbolt Bay to eastern markets.

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.

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