by 57 the "running boards" were part of the cab, inside the door - the bigger big bolts [above 2.5T] and the LCF's had cabs mounted higher and had external steps

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics