St. Mary’s County Sheriff’s Office (MD) Mobile Command Center

The St. Mary’s County Sheriff’s Office (MD) recently took delivery of their new mobile command center! Built on a Freightliner MT-55 forward control chassis, the vehicle is powered by a Cummins 260HP engine and an Allison 2200 EVS automatic transmission with park pawl and PTO provision. A pass through has been fabricated with no glass, allowing those in the cab area to see into the work area of the vehicle.

Inside, there is room for three workstations at a laminate desk area. Custom-fabricated cabinets with dry erase surfaces sit above the work area. Two radios have been added underneath the cabinets along with duplex receptacles with dual USB charging ports and GFCI duplex receptacles. A printer sits on a custom slide-out tray for easy maintenance. Flip-down bench seating has been fabricated for additional seating space when needed. For night operations, the day lights can be changed to red night lights by flipping the switches by the curbside entry door. Blackout curtains have been added to the windows for added privacy and shade from the sun when needed. To secure items on the interior shelves, mesh cargo netting with 1/4 turn fasteners has been added.

On the exterior, multiple roll-up storage compartments have been added to the body of the vehicle. These compartments include aluminum box pan shelves and aluminum dividers to separate stored items, giving St. Mary’s flexibility in how they store their equipment. A slide-out tray has been integrated into the rear curbside compartment to store the Day Box. A removable magnetic porcelain marker board can be affixed to the curbside exterior of the vehicle when staff need to work outside. Dual rear entry doors provide another access point into the vehicle while a 15″ wide roof access ladder provides easy access to the roof. An automatic awning with wind sensors was installed on the curb side, providing coverage to those entering or exiting the vehicle and working on the porcelain marker board. For electric power, a 12-kW generator has been installed in its own custom-fabricated all-aluminum compartment. An emergency lights package finishes off the exterior of the vehicle.

Vehicle Details

  • Freightliner MT-55 forward control chassis
  • Cummins 260HP engine
  • Allison 2200 EVS automatic transmission
  • Automatic electric steel entry step
  • Dual swinging rear doors
  • Flip-down bench seating
  • Custom-fabricated aluminum cabinets
  • Slide-out tray for HP Color LaserJet printer
  • Magnetic dry erase boards
  • Roll-up door storage compartments
  • Two low-profile air conditioners
  • Direct discharge furnace
  • 12-kW generator
  • Emergency lights
  • Automatic awning
  • 15″ wide roof access ladder


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