The Collaborative International Dictionary of English v.0.48:

Transporter \Trans*port"er\, n.
   One who transports.
   [1913 Webster]

WordNet (r) 3.0 (2006):

transporter
    n 1: a long truck for carrying motor vehicles [syn:
         transporter, car transporter]
    2: a crane for moving material with dispatch as in loading and
       unloading ships
    3: a moving belt that transports objects (as in a factory) [syn:
       conveyer belt, conveyor belt, conveyer, conveyor,
       transporter]

Moby Thesaurus II by Grady Ward, 1.0:

36 Moby Thesaurus words for "transporter":
   Aquarius, Ganymede, Hebe, bearer, bheesty, busboy, caddie,
   cargo handler, carrier, carrier pigeon, carter, common carrier,
   conveyer, coolie, cupbearer, drayman, express, expressman,
   freighter, gun bearer, hauler, homing pigeon, letter carrier,
   litter-bearer, porter, redcap, shield-bearer, skycap, stevedore,
   stretcher-bearer, the Water Bearer, truck driver, trucker, wagoner,
   water boy, water carrier