Chassis The underside of the trailer features a galvanized steel chassis The underside of the trailer features a galvanized steel chassis and drawbar, for longlasting corrosion protection.
These locomotives were mechanically fired and could produce in the region of 3000 drawbar horsepower.
Typically, two drawbar outfits do two trips each to Edinburgh and one trip to Dundee every night.
For this operation, or its reverse, a man has to go in between the wagons, unless, as in Great Britain, he is provided with a coupling-stick - that is, a pole having a peculiarly shaped hook at one end by which the chain can be caught and thrown on or off the drawbar hook.