Doubles Trailers

Logistics Term

Double Trailers Definition

A double trailer, also known as a double trailer truck, is a standard semi-truck and trailer with a second trailer attached. Doubler-trailers are an option to move large amounts of cargo over long distances. Some double-trailer transports require specialized permits, as they pose increased safety risks.

Types of Double Trailer Trucks

Types of double-trailer trucks: 

Turnpike double trucks: 

  • Two (2) 48-foot trailers. 
  • Maximum weight: 147,000 lbs. 

Rock Mountain double trucks: 

  • One (1) 40-to-53 foot trailer. 
  • One (1) 28.5 foot trailer. 
  • Maximum weight: 129,000 lbs. 
  • Pup trailer: the smaller second trailer

Canada Turnpike double trucks: 

  • Two (2) 53 foot trailers. (As opposed to 48-foot in the United States.)
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