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A large ballast tractor pulling a load using a drawbar General duty tow hitch from VBG on a truck and a drawbar on a trailer, showing a connected drawbar eye Rockinger drawbar coupling, in which the drawbar eye gets locked. A drawbar is a solid coupling between a hauling vehicle and its hauled load. Drawbars are in common use with rail ...
A tow hitch (or tow bar or trailer hitch in North America [1]) is a device attached to the chassis of a vehicle for towing, or a towbar to an aircraft nose gear. It can take the form of a tow ball to allow swiveling and articulation of a trailer , or a tow pin, or a tow hook with a trailer loop, often used for large or agricultural vehicles ...
24 Volt 15-pin trailer connector ISO 12098 (Towing vehicle side) Physical design according to standard ISO 12098. [4] [17] This connector is present on newer heavy duty commercial trucks and trailers following the ISO standard and is intended to replace the combination of connectors according to standards ISO 1185 and ISO 3731.
In the opposite extreme are extremely heavy duty tank recovery vehicles, and enormous ballast tractors involved in heavy hauling towing loads stretching into the millions of pounds. Necessarily, government and towing sector standards have been developed for carriers, lighting, and coupling to ensure safety and interoperability of towing equipment.
Dana 61 external case is similar to Dana 60 HD in its use of dual ribbing: a reinforcement truss extends from the tube all the way around the differential case, in addition to raised cover flange. This is better than on Dana 60 “standard duty” where tube reinforcement extends diagonally to join with the cover flange.
The package includes a VESC (Vehicle Equipment Safety Commission) V-5 [102] (or SAE J684) Class IV (Class 4) rated trailer hitch with weight distribution capability, heavy-duty radiator, heavy-duty auxiliary transmission fluid cooler, and hitch mounted 4 and 7-pin trailer electrical connectors.