Glossary of Truck Accidents Terms
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Landing Gear: Retracting legs which
support the front of a semitrailer when it is not
coupled to a tractor.
LCV (Long Combination Vehicle): In general,
vehicles longer than a standard doubles rig (tractor
and two 28-foot semitrailers). Examples of LCVs
which are permitted in some U.S. western states and
eastern toll roads: Twin 48-foot trailers; triple
28-foot trailers.
Lessee: Company or individual which leases
vehicles.
Lessor: Company which leases vehicles.
Lift Axle: Extra, unpowered axle needed only
when the vehicle is loaded, allowing it to meet
federal and state vehicle weight standards. The lift
axle is mounted to an air spring suspension that
raises the axle when it is not required.
LPG: Liquid propane gas.
Load Range (Tires): Letter code system for
the weight carrying capacity of tires. Comparable
ply ratings are shown below.
Logbook: Book carried by truck drivers in
which they record their hours of service and duty
status for each 24-hour period. Required in
interstate commercial trucking by the U.S.
Department of Transportation.
Lowboy: Open flat-bed trailer with a deck
height very low to the ground, used to haul
construction equipment or bulky or heavy loads.
LTL (Less-Than-Truckload): A quantity of
freight less than that required for the application
of a truckload (TL) rate; usually less than 10,000
pounds.
LTL Carrier: Trucking company which
consolidates less-than-truckload cargo for multiple
destinations on one vehicle.
