A straight truck carries its cargo body and cab on one chassis, with no separate trailer. In Mexico the class has its own taxonomy: the camioneta (3.5 tons), the rabón (two-axle straight truck), and the torton (three-axle), each quoted by metric-ton capacity.
A straight truck, camión unitario, is a truck whose cargo box rides on the same chassis as the cab: no articulation, no separate trailer. In the U.S. the class covers box trucks and medium-duty delivery units. Mexico has a richer taxonomy, quoted in metric tons of payload: the camioneta de 3.5 at the light end, the rabón, the classic two-axle straight truck handling roughly eight tons, and the torton, the three-axle heavy of the family. When a Mexican dispatcher offers 'un rabón,' they are proposing a mid-size straight truck, and U.S. brokers unfamiliar with the word routinely misread the offer.
Straight trucks are the connective tissue of Mexican domestic freight, dense in every industrial city, and they matter to cross-border operators in two ways. First, as the first and last mile of consolidation: rabones shuttle freight between plants, cross-docks, and border warehouses that full trailers do not visit economically. Second, as the honest answer for genuinely small loads, since paying for 53 feet to move eight pallets is a structural overpay when a rabón lane exists. The vocabulary is the practical unlock: post and quote using Mexican class names and ton ratings, ask for 'rabón' or 'torton' rather than 'small truck,' and capacity that never answers English-language postings starts appearing. Note that smaller units rarely cross the border themselves; they feed the trailers that do.
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