InterMountain - 66347-06 - Tank Car, Single Dome, ACF 8,000 Gallon - Mobile Rosin Oil - 1733

Model Information: This popular InterMountain model comes in both kit and RTR (Read-to-Run) versions. Different couplers have been used over the years. Recent (2010+) versions have generic magnetic operating couplers.

Prototype History: The ACF® 8,000 Gallon Type 27 Tank Car was one of the most popular standard design riveted tank cars of the first half of the twentieth century. ACF® built more than 1,800 of these cars for a wide variety of customers in the petroleum, chemical, and food industries. Virtually every bulk liquid or gas of the era was shipped in these cars (and its similar 10,000 gallon brother). Typical products included petroleum, acids, alcohol, propane, ammonia, molasses and vegetable oil.

Specifications: Underframe general design: 2 – 13" channel center sills with riveted top plate, 4 – 7" channel side sills (bolsters to end sills), 2 – 9" channel end sills to form the structure. Underframe width of 9'-3" for cars 10,000 gal. or smaller. Wood running boards (1 ⅞" x 11¾" wide) and side dome platforms (often 1 ⅞ " x 7½" wide x 4' or longer). Standard underframe lengths (some changed over time). Standard tank designs with 3 courses, 2 courses for small capacity cars. Standard tank diameters and lengths for common sizes (6,000 to 10,000 gallon @ 1,000 gallon increments). Hand rails 1 ¼" O.D. pipe. 30" diameter domes on most 103A/103B acid cars.

Road Name History: Mobile Rosin Oil Company uses rosin and its allied family of products to serve a number of industries including rubber, paper, paint, preservatives, construction and lubricants. Our company was established in 1924 in Mobile, Alabama. At that time, pine chemicals, chiefly rosin and rosin oil, were just finding their way into broad industrial application.

Mobile's advantages were twofold. First, longleaf and slash pine trees were abundant, and had supplied the "naval stores" industry since colonial times. Second, Mobile is an international seaport situated at the base of an extensive river system. This allowed us to take full advantage of the explosive demand that lay ahead for our products.

We first distributed our rosin oil products for use in the manufacture of axle greases. But with the rise of the automobile, the rubber manufacturing industry quickly became, and remains, the largest consumer of our proprietary blends. This is because rosin oil is an excellent tackifier and processing aid in rubber manufacturing. Demand for rosin oil spurred new and less costly means of production.

Today Mobile Rosin Oil Company has expanded into proprietary chemical manufacturing in order to serve a growing number of specialized client needs. Our laboratory technicians customize pine chemical products for highly specific industrial applications.

Brand/Importer Information: InterMountain was founded in 1985 by Fred Brummet. They got started in the model railroad business by producing O-Scale model kits. They got started in the N Scale business almost a decade later when in 1994 they introduced the 40-23 reefer car in kit form. Later, in 1998, they started producing RTR (Ready-to-Run) models. By the early 2000s, InterMountain phased out kit production in favor of the RTR models.

The InterMountain Railway company is located at 1224 Boston Ave in Longmont, CO. They are a manufacturer of HO, N and Z scale model trains. They have produced kits as well as RTR (Ready-To-Run) models. Their N Scale products include locomotives as well as rolling stock. Their rolling stock lineup includes Boxcars, Hoppers, Tank Cars, Reefers, Gondolas, Stock Cars and Flatcars.

Their locomotive releases have primarily been diesel units, with the one major exception being their series of AC-12 Cab Forward steam locos. Their diesel lineup includes F3's, F7's, F9's, SD40's, SD45's and FT units. They are known for quality and detail. They also release their rolling stock in larger varieties of road numbers than most of the other manufacturers.