rs1960 posted:The NP's FTA's and FTB's had semi-permantly drawbars with standard drawbars between the B and C units (that is between the two boosters), as 5400A-B and 5400D-C.
Ed Burns
Happily retired NP-BN-BNSF from Minneapolis, MN
Please explain what a "semi-permeant" drawbar is vs. a "standard" drawbar.