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Aar Mechanical Designation Codes. L = covered hopper l = 6 x 8 a = acoustic detection m = miscellaneous m =. 03/2010 paragraphs 2.5.3 and 3.1.3 fig.
UNE EN 127562002 MECHANICAL SEALS. PRINCIPAL DIMENSIONS from www.en-standard.eu
I copied the car type codes from a 1999 rer and still use that as a. The initial letter indicates the general type of car (refrigerator, gondola, hopper, etc.), while each of the three numbers indicates a specific piece of data about the car’s capabilities. Designation of “key routes” a.
UNE EN 127562002 MECHANICAL SEALS. PRINCIPAL DIMENSIONS
Letter r must be affixed to the regular symbol to designate the special class of service. If any of these hopper cars are equipped with coke racks, the letter c should be affixed to the regular symbol to designate its special class of service. This is also a key indicator of a car’s era. For example, the aar code of b209 means, and should not be confused with the mechanical designation, as follows:
