ULEV Ultra low emissions
Upper Coupler Load bearing surface on the underside
of the front of a semitrailer. It rests on the fifth wheel of a tractor or dolly
and has a downward-protruding kingpin which is captured by the locking jaws of
the fifth wheel.
VIN (Vehicle Identification Number) Assigned by the
manufacturer, this number is unique to each vehicle and appears on the vehicle's
registration and title.
VMRS (Vehicle Maintenance Reporting Standards) Set
of codes developed to facilitate computerized tracking of parts and labor used
in equipment repair. Established and maintained by the American Trucking