A roster of the B-70-1 class box cars is provided as follows:

	SP 672000-672599	(re #'d SP 675100-675399, 675525-675554, 670250-670470)
	SP 672700-672899	 "      "       "      "       "      "       "      "
	SSW 21000-21099		

These 50'-1" insulated box cars were all built to the same basic design by PC&F in 1959-60 and featured 9'-0" Youngstown plug doors, Hydra-Cushion underframes, Car-Pac loaders and 4644 ft3 capacity. Many of these cars were renumbered as shown and some were later rebuilt as B-70-1R's.

Two cars of this class were rebuilt as repeater air cars as follows:

  
       SP 672385  became:  SP 261
       SP 672429  became:  SP 266

For more info, see Richard Percy's repeater air car page.

Photo from: Pacific Car & Foundry - Steve Peery Collection

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