Test Drive: Kenworth's T660 Regional Hauler  October 2011, -
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emergence of the regional transportation market is causing many
fleets to rethink their equipment demands. The day cab aero
package includes cab-side fairings and a roof-mounted air
deflector. the DPF/SCR package is under the passenger access
step. (Photo: Jim Park)  If regional is defined as hauls of 500
miles or less, then the power unit may or may not require a
sleeper. A day cab would do fine in many regional applications,
especially on delivery routes where drivers can make the entire
trip in a single shift.  Regional trucks are lighter, generally
more maneuverable because they are shorter, and almost always
less expensive than an over-the-road truck. But because regional
work - shorter highway runs - still involves a good percentage
of time operating at highway speeds, aerodynamic efficiency
remains a high priority.  Kenworth waded ably into these waters
in March, launching its T660 regi