double trailer

Two-unit road train

A double trailer is a trucking configuration where two trailers are pulled by a single tractor, connected in sequence.

The setup allows hauling more cargo in a single trip: Double trailers are common on interstate highways.

Also called doubles or twin trailers.

Regulations on their use vary by state and country.

Related
  • semiLarge freight truck
  • big rigTractor-trailer combination
  • tandemSequential two-person arrangement
  • tractorAgricultural pulling vehicle
  • haulingTransporting heavy items

eighteen-wheeler · commercial vehicle · rig · freight · highway · jackknife · blind spot · turn radius · hitch · coupling · cargo · wide load · trucker · roadtrain · cab · diesel · jake brake · long-haul

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