Any good pictures of it?This looks to be a partial screenshot from Hook and Ladders by Larry Shapiro.
Also a Fire Engineering article from 1998 that I was unable to read.
Sutphen Corporation: Features custom tractor chassis with aluminum cab. Combination of aerial platform and tiller-driving compartment enclosure available with full midship pumps (up to 2,000 gpm) and water tanks (up to 300 gallons). 1,000-pound platform capacity with up to 1,500 gpm of water...www.fireengineering.com