Severe-Duty Terminal Tractor. ACTT POWERTRAIN OPTIONS. Electric. Contact an Expert Now. Contact an Expert. Fill out your info below and one of our truck experts will contact you. - 42% more low-end torque; CNG/LNG OPTIONS. Cummins B6.7N - Cut fuel costs by 40% versus diesel - Reduce C02 emissions - No DEF or Regens; Interested in CNG?
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A semi-trailer is a trailer without a front axle. In the United States, the term is also used to refer to the combination of a truck and a semi-trailer; a tractor-trailer.. A large proportion of a semi-trailer's weight is supported by a tractor unit, or a detachable front-axle assembly known as a dolly, or the tail of another trailer.The other portion of the semi-trailer's weight is semi
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