This from Mike Summa:

Hello,
These are pictures of Alsip’s 2 bumper-pumpers.  They are mid 1970s Ford/Darley?  Interesting in the pre-Seagrave era.  Feel free to add to any information,
Mike Summa
historic fire engine photo from Alsip IL

Vintage Alsip Fire Department fire engine. Mike Summa photo

Alsip fire department history

Vintage Alsip Fire Department fire engine. Mike Summa photo