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Tank Cars
Wooden Tank Cars
The Densmore–Roudebush Team
The Game
Metal Tank Cars
Early Failed Attempts
Evolution of the RR Tank Car
Special Cars
Builders and Car Shops
Counting Cars
WW II
Tank Cars - Bibliography

TANK CARS

In the U.S., the railroads provided the first reasonable means of getting oil to the seaboard from where it could be distributed to coastal refineries or shipped overseas. Knowing this, the railroad companies strove mightily to lay track into the hearts of the early producing centers where they could pick up the remunerative payloads.

At first, the railroads conveyed the oil in barrels on the beds of flat cars. Later, the barrels were racked in layers on specially built cars. The barrels gave way to the tank car, at first made of wood and soon after of metal. This was a tremendous boost to bulk transportation of petroleum and its refined products.

The great strength of the oil producing and refining industry was put to test many times during the growth of bulk transportation. Improvement and enlargement of the tank cars took place enabling them to carry a wide variety of liquids, even high pressure cargo such as liquefied petroleum gas (LPG).

In the first half of the twentieth century two world wars were fought, both requiring great amounts of gasoline and other fuels. Tank cars had to move as much as one million barrels daily to the U.S. East Coast alone during the height of WW II in Europe while the Pacific Theatre required 110,000 barrels (and more) per day during most of 1944 and 45 with a peak of 170,000 barrels. Tank cars had track priority during the war years.

Some of today's tank car builders can trace their lineage back to the 1870’s and later. A look at advertisements in the older oil journals show the proud names and pictures of the tank cars made under the trademarks of General American Tank Car Co., Union Tank Car Co., North American Tank Car Co., and many more.

The first railroad transportation of oil in barrels was via flat car on which one level of barrels was lashed down as shown in this sketch of the Titusville yards, ca. 1862. Only 44 barrels were loaded on this early flat car, but 60 barrels later became the standard single tier load. In the early 1860’s the loaded flat car was the best means to get the oil to eastern centers. Drawing from Giddens, 1948.
Special rail car designed to haul empty newly made oil barrels, probably directly from a siding at the cooperage to the buyer (refinery or crude oil producer), ca. 1865. Photograph believed to be of a car owned by A. Knabb & Co., Warren, Pennsylvania. The full load appears to be 312 empty barrels. Photo Giddens collection.
This is a replica of an 1865 Densmore tank car that used to be in the grounds of the Drake Well Museum. The pine board tanks held approximately 40 barrels each. Photo by S.T. Pees, 1986.

© 2004, Samuel T. Pees
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