From the Rosenbauer America website:

3900 – Bedford Park Fire Department Mini-Pumper

Type: Commercial Pumpers

Rosenbauer Truck #: 3900

Rosenbauer Dealer: Interstate Emergency Vehicles, Inc.

new mini pumper for the Bedford Park FD

Rosenbauer America photo

new mini pumper for the Bedford Park FD

Rosenbauer America photo

new mini pumper for the Bedford Park FD

Rosenbauer America photo

thanks Martin