Re: SP A50-6

Tim O'Connor

A number of the A-50-6 box cars (as well as some 40 foot single sheathed cars) were converted into "hog fuel" cars
(without roofs) in the 1950's. In 1959 there were still 222 of these cars listed as AAR type LP in the ORER. There were
several design variations.

Tim O'Connor

On 8/7/2022 7:53 PM, al_brown03 wrote:

The following info is from Thompson, "SP Freight Cars vol 3", pp51-79. 

(1) Of the original 2000, 1095 were running in 1950. The numbers in the book, Table 4-3, match those in the 7/50 ORER. 
(2) Only four cars remained in 1955. Since K brakes were outlawed effective '53, I suspect the cars were retired rather than refit them with AB brakes. In answer to your question, I'm guessing but I would bet "yes". 
(3) SP 66800-67999, T&NO 39660-39959 and 58400-58462. 


Al Brown, Melbourne, Fla.

Tim O'Connor
Sterling, Massachusetts

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