This from Mike Summa:

Hello,
Here is a photo that I took in the early 1990s at a parade in Beecher, Illinois.  The cab is a Spartan on an ALF chassis.  The sign on the roof says, “Pioneer ’90 Series.”  1250 GPM top mount.  The bumper sign reads, “ALF Factory Service Center University Park.”  The destination of this is anybody’s guess.  Hope you enjoy,
Mike S.
American LaFrance Pioneer 90 Series fire engine demo

American LaFrance Pioneer 90 Series fire engine demo with Spartan cab. Mike Summa photo