From the Rosenbauer America Facebook page:

The new Chicago squads have been rolling off the production line. Check out the new Rosenbauer ACP-55, a 55′ articulating Cobra Platform featuring our Smart Aerial Controls. The rescues were built using an 18′ walk-in rescue body. Both the ACP-55 and the rescue are built on the Rosenbauer Commander 4000 chassis and include the Rosenbauer EXT Extruded Aluminum bodies.

Rosenbauer America ACP-55, a 55' articulating Cobra Platform

Rosenbauer America ACP-55, a 55′ articulating Cobra Platform for the Chicago Fire Department. Rosenbauer America photo

Rosenbauer America ACP-55, a 55' articulating Cobra Platform

Rosenbauer America photo

Rosenbauer America ACP-55, a 55' articulating Cobra Platform

Rosenbauer America photo

Rosenbauer America ACP-55, a 55' articulating Cobra Platform

Rosenbauer America photo

Rosenbauer America ACP-55, a 55' articulating Cobra Platform

Rosenbauer America photo

Chicago FD squad by Rosenbauer America

New CFD squad. Rosenbauer America photo

Chicago FD squad by Rosenbauer America

Rosenbauer America photo

Chicago FD squad by Rosenbauer America

Rosenbauer America photo

Chicago FD squad by Rosenbauer America

Rosenbauer America photo

Chicago FD squad by Rosenbauer America

Rosenbauer America photo

thanks Dennis