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A refrigerator car (or "reefer") is a
refrigerated Refrigeration is any of various types of cooling of a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is ejected to a place of higher temperature).IIR International Dictionary of ...
boxcar A boxcar is the North American (Association of American Railroads, AAR) and South Australian Railways term for a Railroad car#Freight cars, railroad car that is enclosed and generally used to carry freight. The boxcar, while not the simpl ...
(U.S.), a piece of
railroad Rail transport (also known as train transport) is a means of transport using wheeled vehicles running in railway track, tracks, which usually consist of two parallel steel railway track, rails. Rail transport is one of the two primary means of ...
rolling stock The term rolling stock in the rail transport industry refers to railway vehicles, including both powered and unpowered vehicles: for example, locomotives, Railroad car#Freight cars, freight and Passenger railroad car, passenger cars (or coaches) ...
designed to carry perishable freight at specific temperatures. Refrigerator cars differ from simple insulated boxcars and ventilated boxcars (commonly used for transporting
fruit In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...
), neither of which are fitted with cooling apparatus. Reefers can be
ice Ice is water that is frozen into a solid state, typically forming at or below temperatures of 0 ° C, 32 ° F, or 273.15 K. It occurs naturally on Earth, on other planets, in Oort cloud objects, and as interstellar ice. As a naturally oc ...
- cooled, come equipped with any one of a variety of mechanical refrigeration systems, or use
carbon dioxide Carbon dioxide is a chemical compound with the chemical formula . It is made up of molecules that each have one carbon atom covalent bond, covalently double bonded to two oxygen atoms. It is found in a gas state at room temperature and at norma ...
(as
dry ice Dry ice is the solid form of carbon dioxide. It is commonly used for temporary refrigeration as CO2 does not have a liquid state at normal atmospheric pressure and Sublimation (phase transition), sublimes directly from the solid state to the gas ...
) or liquid nitrogen as a cooling agent. Milk cars (and other types of "express" reefers) may or may not include a cooling system, but are equipped with high-speed
trucks A truck or lorry is a motor vehicle designed to transport freight, carry specialized payloads, or perform other utilitarian work. Trucks vary greatly in size, power, and configuration, but the vast majority feature body-on-frame construction ...
and other modifications that allow them to travel with
passenger trains A passenger train is a train used to transport people along a railroad line, as opposed to a freight train that carries goods. These trains may consist of unpowered passenger railroad cars (also known as coaches or carriages) push-pull train, ...
.


History


Background: North America

After the end of the
American Civil War The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...
,
Chicago, Illinois Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...
emerged as a major
railway Rail transport (also known as train transport) is a means of transport using wheeled vehicles running in railway track, tracks, which usually consist of two parallel steel railway track, rails. Rail transport is one of the two primary means of ...
center for the
distribution Distribution may refer to: Mathematics *Distribution (mathematics), generalized functions used to formulate solutions of partial differential equations *Probability distribution, the probability of a particular value or value range of a varia ...
of livestock raised on the
Great Plains The Great Plains is a broad expanse of plain, flatland in North America. The region stretches east of the Rocky Mountains, much of it covered in prairie, steppe, and grassland. They are the western part of the Interior Plains, which include th ...
to Eastern markets. Transporting the animals to market from ranches in Texas required herds to be driven up to to
railhead {{Short pages monitor-long, all-steel car that resembled the forty-and-eights used in Europe during
World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
. The prototype weighed and was outfitted with a ice bunker at each end. The car was leased to
Hormel Hormel Foods Corporation, doing business as Hormel Foods or simply Hormel, is an American multinational corporation, multinational food processing company founded in 1891 in Austin, Minnesota, Austin, Minnesota, by George A. Hormel as George A ...
and saw service between
Chicago, Illinois Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...
and the southern United States. The concept failed to gain acceptance with eastern railroads and no additional units were built.


Dry ice

The Santa Fe Refrigerator Despatch (SFRD) briefly experimented with
dry ice Dry ice is the solid form of carbon dioxide. It is commonly used for temporary refrigeration as CO2 does not have a liquid state at normal atmospheric pressure and Sublimation (phase transition), sublimes directly from the solid state to the gas ...
as a cooling agent in 1931. The compound was readily available and seemed like an ideal replacement for frozen water. Dry ice melts at (versus for conventional ice) and was twice as effective thermodynamically. Overall weight was reduced as the need for brine and water was eliminated. While the higher cost of dry ice was certainly a drawback, logistical issues in loading long lines of cars efficiently prevented it from gaining acceptance over conventional ice. Worst of all, it was found that dry ice can adversely affect the color and flavor of certain foods if placed too closely to them.


Hopper cars

In 1969, the
Northern Pacific Railroad The Northern Pacific Railway was an important American transcontinental railroad that operated across the northern tier of the Western United States, from Minnesota to the Pacific Northwest between 1864 and 1970. It was approved and chartered b ...
ordered a number of modified covered hopper cars from
American Car and Foundry ACF Industries, originally the American Car and Foundry Company (abbreviated as ACF), is an American manufacturer of railroad rolling stock. One of its subsidiaries was once (1925–54) a manufacturer of motor coaches and trolley coaches und ...
for transporting perishable food in bulk. The -long cars were blanketed with a layer of insulation, equipped with roof hatches for loading, and had centerflow openings along the bottom for fast discharge. A mechanical refrigeration unit was installed at each end of the car, where sheet metal ducting forced cool air into the cargo compartments. The units, rated at capacity (more than twice that of the largest conventional refrigerator car of the day) were economical to load and unload, as no secondary packaging was required. Apples, carrots, onions, and potatoes were transported in this manner with moderate success. Oranges, on the other hand, tended to burst under their own weight, even after wooden baffles were installed to better distribute the load. The Santa Fe Railway leased 100 of the hoppers from ACF, and in April 1972 purchased 100 new units, known as "Conditionaire" cars. The cars' irregular, orange-colored outer surface (though darker than the standard AT&SF yellow-orange used on reefers) tended to collect dirt easily, and proved difficult to clean. Santa Fe eventually relegated the cars to more typical, non-refrigerated applications.


Preservation

Examples of many styles of refrigerator and ice cars can be found at railroad museums around the world. The Western Pacific Railroad Museum at Portola, California features a very complete roster of 20th century cars, including wood bodied ice cars, steel bodied ice cars, one of the earliest mechanical refrigerator cars, later mechanical refrigerator cars and a cryogenic reefer, as well as several "insulated" boxcars also used for food transport.


Refrigerator cars in Japan

The first refrigerated cars in Japan entered service in 1908, primarily for fish transport. They were of the ReSo 200 type, from 1909 followed by the ReSo 210 type and from 1912 followed by the ReSo 230 type; all reclassified into in 1928. Many of these cars were equipped with ice bunkers, however the bunkers were not generally used. Fish were packed in wooden or foam polystyrene boxes with
crushed ice O'Shea Jackson Sr. (born June 15, 1969), known professionally as Ice Cube, is an American rapper, songwriter, actor, and film producer. His lyrics on N.W.A's 1989 album ''Straight Outta Compton'' contributed to gangsta rap's widespread popula ...
. Fruit, vegetables and meat transportation in refrigerated rail cars was not common in Japan. For fruits and vegetables, ventilator cars were sufficient due to the relatively short distances involved, whereas since meat require low temperature storage, they were therefore typically transported by ship, since most major Japanese cities are located along the coast. Refrigerator cars suffered heavy damage in
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
. After the war, the occupation forces confiscated many cars for their own use, using the ice bunkers as originally intended. Supplies were landed primarily at
Yokohama is the List of cities in Japan, second-largest city in Japan by population as well as by area, and the country's most populous Municipalities of Japan, municipality. It is the capital and most populous city in Kanagawa Prefecture, with a popu ...
, and reefer trains ran from the port to U.S. bases around Japan. Around this time, the surviving pre-war refrigerator cars were gradually retired and replaced with newer types. In 1966, JNR developed the refrigerated cars that could travel at They were used in fish freight express trains. "Tobiuo" (
Flying fish The Exocoetidae are a family (biology), family of Saltwater fish, marine Actinopterygii, ray-finned fish in the order (biology), order Beloniformes, known colloquially as flying fish or flying cod. About 64 species are grouped in seven genus, ge ...
) train from Shimonoseki to Tokyo, and "Ginrin" (Silver scale) train from Hakata to Tokyo, were operated. By the 1960s, refrigerator trucks had begun to displace railcars. Strikes in the 1970s resulted in the loss of reliability and punctuality, important to fish transportation. In 1986, the last refrigerated cars were replaced by reefer containers. Most Japanese reefer cars were four-wheeled due to small traffic demands. There were very few bogie wagons in late years. The total number of Japanese reefers numbered approximately 8,100. At their peak, about 5,000 refrigerated cars operated in the late 1960s. Mechanical refrigerators were tested, but did not see widespread use. There were no privately owned reefers in Japan. This is because fish transportation was protected by national policies and rates were kept low, and there was little profit in refrigerated car ownership.


Refrigerated trains in the United Kingdom

Due to the shorter distance to be travelled in the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
, the need for refrigeration was limited to specialised goods, which could in express-train format - mostly run overnight to avoid delays from passenger traffic - be transported in suitable timescales of less than a day from the area of production to processing, or onwards to the point of consumer consumption. Hence whilst similar cattle, fish, fruit and farm-fresh produce shipping requirements existed, the need to refrigerate was often minimised by the use of non-stop express train service to the required destination. In example, the
London Midland and Scottish Railway The London, Midland and Scottish Railway (LMSIt has been argued that the initials LMSR should be used to be consistent with LNER, GWR and SR. The London, Midland and Scottish Railway's corporate image used LMS, and this is what is generally ...
ran specialised express trains from meat producer hubs in
Scotland Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...
and the North of England to the Smithfield Meat Market in
London London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...
, with a dedicated goods station located below ground level directly into the market's slaughtering house. The LMS and the LNER also ran express fish trains from Fleetwood and Grimsby to Broad Street to access
Billingsgate Fish Market Billingsgate Fish Market is the United Kingdom's largest inland fish market. It takes its name from Billingsgate, a ward in the south-east corner of the City of London, where the riverside market was originally established. In its original locati ...
. The big four railway companies standardised within their own networks their own ice-chilled wagons, which being built with more insulation again minimised the need for onboard mechanical refrigeration. The
Great Western Railway The Great Western Railway (GWR) was a History of rail transport in Great Britain, British railway company that linked London with the southwest, west and West Midlands (region), West Midlands of England and most of Wales. It was founded in 1833, ...
designed and built their own Mica A (ventilated) and Mica B (Non-ventilated) vans for such express produce trains, with ice supplied by the original product producer from their own plant. One specialised form of fresh produce train which existed in the UK was the milk train, which through use of specialised chilled glass-lined wagons remained in service until 1981. Like many railways around the world, modern UK railways do ship specialised refrigerated containers on intermodal trains, with such trains now taking-over the roll again from long-distance trucking on hub-to-hub routes to reduce carbon foot print.
DB Cargo UK DB Cargo UK (formerly DB Schenker Rail UK and English, Welsh & Scottish Railway) is a British rail freight company owned by Deutsche Bahn and headquartered in Doncaster, England. The company was established by Wisconsin Central Ltd., Wisconsin ...
runs Europe's longest-distance single-operator handled train from
Valencia Valencia ( , ), formally València (), is the capital of the Province of Valencia, province and Autonomous communities of Spain, autonomous community of Valencian Community, the same name in Spain. It is located on the banks of the Turia (r ...
,
Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...
to Barking in
East London East London is the part of London, England, east of the ancient City of London and north of the River Thames as it begins to widen. East London developed as London Docklands, London's docklands and the primary industrial centre. The expansion of ...
twice weekly, in partnership with Eddie Stobart Logistics and retailer
Tesco Tesco plc () is a British multinational groceries and general merchandise retailer headquartered in the United Kingdom at its head offices in Welwyn Garden City, England. The company was founded by Jack Cohen (businessman), Sir Jack Cohen in ...
's, shipping fresh fruit and produce in refrigerated ISO containers.


Timeline

*1842: The Western Railroad of Massachusetts experimented with innovative freight car designs capable of carrying all types of perishable goods without spoilage. *1851: The first refrigerated boxcar entered service on the Northern Railroad (New York). *1857: The first consignment of refrigerated, dressed beef traveled from Chicago to the East Coast in ordinary box cars packed with ice. *1866: Horticulturist Parker Earle shipped strawberries in iced boxes by rail from southern Illinois to Chicago on the
Illinois Central Railroad The Illinois Central Railroad , sometimes called the Main Line of Mid-America, is a railroad in the Central United States. Its primary routes connected Chicago, Illinois, with New Orleans, New Orleans, Louisiana, and Mobile, Alabama, and thus, ...
. *1867: First U.S. refrigerated railroad car patent was issued. *1868: William Davis of
Detroit, Michigan Detroit ( , ) is the List of municipalities in Michigan, most populous city in the U.S. state of Michigan. It is situated on the bank of the Detroit River across from Windsor, Ontario. It had a population of 639,111 at the 2020 United State ...
developed a refrigerator car cooled by a frozen ice-salt mixture, and patented it in the U.S. The patent was subsequently sold to George Hammond, a local meat packer who amassed a fortune in refrigerated shipping. *1875: Samuel Rumph invented a railcar specifically to ship peaches, and a mortised-end peach crate., making possible large scale growing and long-distance shipping of peaches *1876: German engineer
Carl von Linde Carl Paul Gottfried von Linde (11 June 1842 – 16 November 1934) was a German scientist, engineer, and businessman. He discovered the refrigeration cycle and invented the first industrial-scale air separation and gas liquefaction processes, ...
developed one of the first mechanical refrigeration systems. *1878: Gustavus Swift (along with engineer Andrew Chase) developed the first practical ice-cooled railcar. Soon Swift formed the Swift Refrigerator Line (SRL), the world's first. *1880: The first patent for a mechanically refrigerated railcar issued in the United States was granted to Charles William Cooper. *1884: The Santa Fe Refrigerator Despatch (SFRD) was established as a subsidiary of the
Atchison, Topeka and Santa Fe Railway The Atchison, Topeka and Santa Fe Railway , often referred to as the Santa Fe or AT&SF, was one of the largest Class 1 railroads in the United States between 1859 and 1996. The Santa Fe was a pioneer in intermodal freight transport; at vario ...
to carry perishable commodities. *1885: Berries from
Norfolk, Virginia Norfolk ( ) is an independent city (United States), independent city in the U.S. state of Virginia. It had a population of 238,005 at the 2020 United States census, 2020 census, making it the List of cities in Virginia, third-most populous city ...
were shipped by refrigerator car to New York. *1887: Parker Earle joined F.A. Thomas of Chicago in the fruit shipping business. The company owned 60 ice-cooled railcars by 1888, and 600 by 1891. *1888: Armour & Co. shipped beef from Chicago to Florida in a car cooled by
ethyl chloride Chloroethane, commonly known as ethyl chloride, is a chemical compound with chemical formula CH3CH2Cl, once widely used in producing tetraethyllead, a gasoline additive. It is a colorless, flammable gas or refrigerated liquid with a faintly sweet ...
-compression machinery.
Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...
oranges were shipped to New York under refrigeration for the first time. *1889: The first cooled shipment of fruit from California was sold on the New York market. *1898: Russia's first refrigerator cars entered service. The country's inventory reached 1,900 by 1908, 3,000 two years later, and peaked at approximately 5,900 by 1916. The cars were used mainly for transporting butter from
Siberia Siberia ( ; , ) is an extensive geographical region comprising all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has formed a part of the sovereign territory of Russia and its predecessor states ...
to the
Baltic Sea The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by the countries of Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden, and the North European Plain, North and Central European Plain regions. It is the ...
, a 12-day journey. *1899: Refrigerated fruit traffic within the U.S. reached per year; Transport from California to NY averaged 12 days in 1900. *1901: Carl von Linde equipped a Russian train with a mobile, central mechanical refrigeration plant to distribute cooling to cars carrying perishable goods. Similar systems were used in Russia as late as 1975. *1905: U.S. traffic in refrigerated fruit reached . As refrigerator car designs become standardized, the practice of indicating the "patentee" on the sides was discontinued. *1907: The Pacific Fruit Express began operations with more than 6,000 refrigerated cars, transporting fruit and vegetables from Western producers to Eastern consumers. U.S. traffic in refrigerated fruit hit . *1908: Japan's first refrigerator cars entered service. The cars were for seafood transportation, in the same manner as most other Japanese reefers. *1913: The number of thermally insulated railcars (most of which were cooled by ice) in the U.S. topped 100,000. *1920: The Fruit Growers Express (or FGE, a former subsidiary of the Armour Refrigerator Line) was formed using 4,280 reefers acquired from Armour & Co. *1923: FGE and the Great Northern Railway form the Western Fruit Express (WFE) in order to compete with the Pacific Fruit Express and Santa Fe Refrigerator Despatch in the West. *1925 to 1930: Mechanically refrigerated trucks enter service and gain public acceptance, particularly for the delivery of milk and ice cream. *1926: The FGE expanded its service into the Pacific Northwest and the Midwest through the WFE and the Burlington Refrigerator Express Company (BREX), its other partly owned subsidiary. FGE purchased 2,676 reefers from the
Pennsylvania Railroad The Pennsylvania Railroad ( reporting mark PRR), legal name as the Pennsylvania Railroad Company, also known as the "Pennsy," was an American Class I railroad that was established in 1846 and headquartered in Philadelphia, Pennsylvania. At its ...
. *1928: The FGE formed the National Car Company as a subsidiary to service the meat transportation market. Customers include Kahns,
Oscar Mayer Oscar Mayer is an American meat and cold cut producer known for its hot dogs, bologna sausage, bologna, bacon, ham, and Lunchables products. The company is a subsidiary of the Kraft Heinz, Kraft Heinz Company and based in Chicago, Chicago, Illin ...
, and Rath. *1930: The number of refrigerator cars in the United States reached its maximum of approximately 183,000. *1931: The SFRD reconfigured seven reefers to use dry ice as a cooling agent. *1932:
Japanese Government Railways The Japanese Government Railways (JGR) was the national rail transport, railway system directly operated by the until 1949. It was a predecessor of Japanese National Railways and the later Japan Railways Group. Name The English name "Japanese ...
built vehicles specially made for dry ice coolant. *1934: The Interstate Commerce Commission (ICC) regulation #201 came into effect banning billboard advertisements on freight cars. *1936: The first all-steel reefers entered service. *1946: Two experimental aluminum-body refrigerator cars entered service on the PFE; an experimental reefer with a stainless-steel body was built for the SFRD. *1950: The U.S. refrigerator car roster dropped to 127,200. *1955: East of Eden popularizes refrigerator cars by featuring a major plotline where
James Dean James Byron Dean (February 8, 1931September 30, 1955) was an American actor. He became one of the most influential figures in Hollywood in the 1950s, despite a career that lasted only five years. His impact on cinema and popular culture was p ...
's father tries to go into the business and fails when all the produce melts during transit. *1957: The last ice bunker refrigerator cars were built. *1958: The first mechanical reefers (using diesel-powered refrigeration units) entered revenue service. *1959: The flush, "plug" style sliding door was introduced as an option, providing a larger door to ease loading and unloading. The tight-fitting doors were better insulated and allowed the car to be maintained at a more even temperature. Early example is the DT&I XL-1 car by Evans. *1966:
Japanese National Railways The , abbreviated JNR or , was the business entity that operated Japan's national railway network from 1949 to 1987. Network Railways As of June 1, 1949, the date of establishment of JNR, it operated of narrow gauge () railways in all 46 pre ...
started operation of fish freight express trains by newly built "resa 10000" type refers. *1969: ACF constructed several experimental center flow hopper cars incorporating mechanical cooling systems and insulated cargo cells. The units were intended for shipment of bulk perishables. *1971: The last ice-cooled reefers were retired. *1980: The U.S. refrigerator car roster dropped to 80,000. *1986: The last reefers in Japan were replaced by reefer containers. *1990s: The first cryogenically cooled reefers entered service. *2001: The number of refrigerator cars in the United States bottomed out at approximately 8,000. *2005: The number of reefers in the United States climbs to approximately 25,000, due to significant new refrigerator car orders. *2006 Railex launches 55-car unit train reefer service between U.S. west coast and New York. *2013 Additional unit train reefer services to Florida and Chicago are announced.


Specialized applications


Express service

Standard refrigerated transport is often used for goods with less than 14 days of refrigerated "shelf life" — avocados,
cut flowers Cut flowers are flowers and flower buds (often with some Plant stem, stem and leaf) that have been cut from the plant bearing it. It is removed from the plant for decorative use. Cut greens are leaves with or without stems added to the cut flow ...
, green leafy vegetables, lettuce, mangoes, meat products, mushrooms, peaches and nectarines, pineapples and papayas, sweet cherries, and tomatoes. "Express" reefers are typically employed in the transport of special perishables: commodities with a refrigerated shelf life of less than seven days, such as human blood, fish, green onions, milk, strawberries, and certain pharmaceuticals. The earliest express-service refrigerator cars entered service around 1890, shortly after the first express train routes were established in North America. The cars did not come into general use until the early 20th century. Most units designed for express service are larger than their standard counterparts, and are typically constructed more along the lines of
baggage car A passenger railroad car or passenger car (American English), also called a passenger carriage, passenger coach (British English and International Union of Railways), or passenger bogie (Indian English) is a railroad car that is designed to c ...
s than freight equipment. Cars must be equipped with speed-rated trucks and brakes, and — if they are to be run ahead of the passenger car, must also incorporate an air line for pneumatic braking, a communication signal air line, and a steam line for train heating. Express units were typically painted in passenger car colors, such as Pullman green. The first purpose-built express reefer emerged from the
Erie Railroad The Erie Railroad was a railroad that operated in the Northeastern United States, originally connecting Pavonia Terminal in Jersey City, New Jersey, with Lake Erie at Dunkirk, New York. The railroad expanded west to Chicago following its 1865 ...
Susquehanna Shops on August 1, 1886. By 1927, some 2,218 express cars traveled America's rails, and three years later that number rose to 3,264. In 1940, private rail lines began to build and operate their own reefers, the
Railway Express Agency Railway Express Agency (aka REA Express) (REA), founded as the American Railway Express Agency and later renamed the American Railway Express Inc., was a national package delivery service that operated in the United States from 1918 to 1975. REA ...
(REA) being by far the largest. In 1948, the REA roster (which would continue to expand into the 1950s) numbered approximately 1,800 cars, many of which were
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
"
troop sleeper In United States railroad terminology, a troop sleeper was a railroad Passenger car (rail), passenger car which had been constructed to serve as something of a mobile barracks (essentially, a sleeping car) for transporting troops over distances su ...
s" modified for express refrigerated transport. By 1965, due to a decline in refrigerated traffic, many express reefers were leased to railroads for use as bulk mail carriers.


Intermodal

For many years, virtually all of the perishable traffic in the United States was carried by the railroads. While railroads were subject to government regulation regarding shipping rates, trucking companies could set their own rate for hauling agricultural products, giving them a competitive advantage. In March 1979, the ICC exempted rail transportation of fresh fruits and vegetables from all economic regulation. Once the "Agricultural Exemption Clause" was removed from the ''Interstate Commerce Act'', railroads began aggressively pursuing trailer-on-flatcar (TOFC) business (a form of
intermodal freight transport Intermodal freight transport involves the transportation of freight in an intermodal container or vehicle, using multiple modes of transportation (e.g., rail, ship, aircraft, and truck), without any handling of the freight itself when changing ...
) for refrigerated trailers. Taking this one step further, a number of carriers (including the PFE and SFRD) purchased their own refrigerated trailers to compete with interstate trucks.


Tropicana "Juice Train"

In 1970, Tropicana orange juice was shipped in bulk via insulated boxcars in one weekly round-trip from
Bradenton, Florida Bradenton ( ) is a city in and the county seat of Manatee County, Florida, Manatee County, Florida, United States. As of the 2020 United States census, 2020 census, the city's population is 55,698, up from 49,546 at the 2010 census. It is a pri ...
, to
Kearny, New Jersey Kearny ( ) is a town in the western part of Hudson County, in the U.S. state of New Jersey, and a suburb of Newark. As of the 2020 United States census, the town's population was 41,999, an increase of 1,315 (+3.2%) from the 2010 census cou ...
. By the following year, the company was operating two 60-car unit trains a week, each carrying around of juice. On June 7, 1971, the "Great White Juice Train" (the first unit train in the food industry, consisting of 150 insulated boxcars fabricated in the
Alexandria, Virginia Alexandria is an independent city (United States), independent city in Northern Virginia, United States. It lies on the western bank of the Potomac River approximately south of Washington, D.C., D.C. The city's population of 159,467 at the 2020 ...
, shops of Fruit Growers Express) commenced service over the route. An additional 100 cars were soon added, and small mechanical refrigeration units were installed to keep temperatures constant. Tropicana saved $40 million in fuel costs during the first ten years in operation.


Railex and other unit trains

In 2006 Railex LLC launched service in partnership with the
Union Pacific Railroad The Union Pacific Railroad is a Railroad classes, Class I freight-hauling railroad that operates 8,300 locomotives over routes in 23 U.S. states west of Chicago and New Orleans. Union Pacific is the second largest railroad in the United Stat ...
and
CSX CSX Transportation , known colloquially as simply CSX, is a Railroad classes, Class I freight railroad company operating in the Eastern United States and the Canadian provinces of Ontario and Quebec. Operating about 21,000 route miles () of trac ...
between Wallula, Washington, and Rotterdam, New York, followed in 2008 by a
Delano, California Delano ( ) is a city in Kern County, California, United States. Delano is located about north-northwest of Bakersfield, California, Bakersfield at an elevation of . The population was 51,428 in 2020, down from 53,041 in 2010. It is Kern Count ...
, to NY line, and
Jacksonville, Florida Jacksonville ( ) is the most populous city proper in the U.S. state of Florida, located on the Atlantic coast of North Florida, northeastern Florida. It is the county seat of Duval County, Florida, Duval County, with which the City of Jacksonv ...
service from the west coast in 2014. Railex runs
unit train A unit train, also called a block train or a trainload service, is a train in which all cars (wagons) carry the same commodity and are shipped from the same origin to the same destination, without being split up or stored en route. They are disti ...
s of 55 large, "plate F" refrigerated cars. Two additional refrigerated unit-train services were announced in 2013, the Green Express, from
Tampa, Florida Tampa ( ) is a city on the Gulf Coast of the United States, Gulf Coast of the U.S. state of Florida. Tampa's borders include the north shore of Tampa Bay and the east shore of Old Tampa Bay. Tampa is the largest city in the Tampa Bay area and t ...
to Kingsbury, Indiana, operated by CSX and the Tampa Port Authority, and the TransCold Express operated by McKay Transcold, LLC and BNSF, connecting the
California Central Valley The Central Valley is a broad, elongated, flat valley that dominates the interior of California, United States. It is wide and runs approximately from north-northwest to south-southeast, inland from and parallel to the Pacific coast. It cover ...
with the midwest.BNSF to serve new TransCold Express refrigerated service offered by McKay
, 2013


AAR classifications

*Note: Class B refrigerator cars are those designed for passenger service; insulated boxcars are designated Class L.


See also

*
Cold chain A cold chain is a supply chain that uses refrigeration to maintain perishable goods, such as pharmaceuticals, produce or other goods that are temperature-sensitive. Common goods, sometimes called cool cargo, distributed in cold chains include fr ...
* Reefer (ship) *
Refrigerated container A refrigerated container or reefer is an intermodal container (shipping container) used in intermodal freight transport that is capable of refrigeration for the transportation of temperature-sensitive, perishable cargo such as fruits, vegetab ...
* Refrigerated transport Dewar * Refrigerated van (European style) *
Refrigeration Refrigeration is any of various types of cooling of a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is ejected to a place of higher temperature).IIR International Dictionary of ...
*
Refrigerator truck A refrigerator truck or chiller lorry (also called a reefer), is a van or truck designed to carry perishable freight at low temperatures. Most long-distance refrigerated transport by truck is done in articulated trucks pulling refrigerated hard ...
* Swift Refrigerator Line


References

;Notes ;Bibliography *Boyle, Elizabeth and Rodolfo Estrada. (1994
"Development of the U.S. Meat Industry"
nbsp;—
Kansas State University Kansas State University (KSU, Kansas State, or K-State) is a public university, public Land-grant university, land-grant research university with its main campus in Manhattan, Kansas, United States. It was opened as the state's land-grant coll ...
Department of Animal Sciences and Industry. *Hendrickson, Richard and Richard E. Scholz. (1986). "Reefer car 13000: a postmortem." ''The Santa Fé Route'' IV (2) 8. * *Pearce, Bill. (2005). "Express Reefer from troop sleeper in N." ''Model Railroader'' 72 (12) 62–65.
Reefer Operations on Model Railroads with an emphasis on the ATSF
April 15, 2005 article a
The Santa Fe Railway Historical & Modeling Society
official website — accessed on November 7, 2005. *Thompson, Anthony W. et al. (1992). ''Pacific Fruit Express''. Signature Press, Wilton, CA. . *White, John H. (1986). ''The Great Yellow Fleet''. Golden West Books, San Marino, CA. . *


External links


Guide to Rail Cars
{{DEFAULTSORT:Refrigerator Car American inventions Cooling technology Food preservation Freight rolling stock
Cars A car, or an automobile, is a motor vehicle with wheels. Most definitions of cars state that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people rather than cargo. There are around one billio ...