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"18 wheeler" referred to tractor-trailer units with a total of five axles (four wheels per drive and trailer axle plus two wheels on the steer axle = 18 wheels). However, it has become a common expression for tractor-trailer units in general, whether or not they have 18 wheels.
What else can I help you with?
Which is heavier a 18 wheeler or a garbage truck?
18 wheeler has the higher gross weight
How often do you have to fuel an 18 wheeler?
on average you need to fuel an 18 wheeler once a day
Which has greater kinetic energy an 18-wheeler parked at the curb or a volkswagen rolling down a hill?
18 wheeler
When was Andrew Wheeler born?
Andrew Wheeler was born on 1988-01-18.
When did Ernie Wheeler die?
Ernie Wheeler died on 1982-06-18.
When did Earle Wheeler die?
Earle Wheeler died on 1975-12-18.
What are the release dates for 18 Wheeler - 1979 VG?
18 Wheeler - 1979 VG was released on: USA: July 1979
Is there an 18 wheeler gang?
There's political lobbies centred around truck drivers, but no "18 wheeler gang", at least that I'm aware of.
Another name for a tractor-trailer is?
Semi Truck oer 18 Wheeler (Eighteen Wheeler)
When was Charles K. Wheeler born?
Charles K. Wheeler was born on 1863-04-18.
When was Edward Oliver Wheeler born?
Edward Oliver Wheeler was born on 1890-04-18.
When was Taryn Wheeler born?
Taryn Wheeler was born on November 18, 1989, in Newfoundland, Canada.
