Between 1973 and 1977 the BCOL, CNR, and DW&P built a series of bulkhead flat cars with similar dimensions and characteristics. The Canadian roads had a variety of bulkhead flat car designs for a variety of services, particularly for use in pulpwood and lumber service.

These 70-ton flat cars had a fishbelly underframe and straight side sills with 15 steel stake pockets, lading strap anchors. The deck was flat, and low to the ground at with a deck height ranging from 3'' 8" to about 3' 11". As a result, the top of the center sill and body bolsters are on the same plane as the top of the wood decking on either side. The bulkheads were pushed as far to the end as possible, with a straight profile on the end and interior side.

Interior dimensions were 52' 8" and the cars were 58' 2.25" over strikers. They rode on 70-ton roller bearing trucks.

A number of these cars were renumbered into other series as follows.

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The model features a die cast underframe to provide adequate weight for running without a load.