Share 'Rescue Apparatus: Walk-in vs. Non-Walk-In?'

My department is considering combining a hazmat unit and a rescue company into one vehicle.  Both of these companies are currently cross-staffed with either a quint or an engine company from two different firehouses.  This could change down the road, and hopefully, will become a staffed unit.   Our current hazmat was a demo unit bought when our jurisdiction was growing extremely fast and we neede…