This from Mike Summa:

Hello,
This is a 1978 Mack 1250/500.  Very plain by today’s standards.  Correct me if I’m wrong on any of the specs.  Enjoy!
Thank you,
Mike S.
Mack CF fire engine from Oak Lawn IL

Oak Lawn Engine 25 – 1978 Mack 1250/500. Mike Summa photo

More from the chicagoareafire.com archives:

Photos from Larry Shapiro:

1977 Mack CF fire engine from Oak Lawn, IL

Oak Lawn Engine 26 – 1977 Mack CF 1250/500. Larry Shapiro photo

1977 Mack CF fire engine from Oak Lawn, IL

Oak Lawn Engine 30 – 1977 Mack CF 1250/500. Larry Shapiro photo