encyclopedia

TRUCK

An assembly of wheels, axles, frames, springs and bolsters at each end of cars and locomotives which pivots to follow curves. Most car and locomotive trucks have two axles, however some heavy duty locomotives and cars have three axle trucks.…

TRUCK HUNTING

In rail operations, lateral instability of a truck, generally occurring at high speed and characterized by the shifting of one or both wheel sets from side to side so that the flanges strike the rail. The resulting motion of the…

TRUST FUNDS

Funds collected and used by the federal government for carrying out specific purposes and programs according to the terms of a trust agreement or statute, such as the Social Security and highway trust funds. Trust funds are administered by the…