This from Josh Boyajian:

I took this shot of North Riverside Engine Co. 809. This engine along with another Mack engine are being replaced with a new Pierce engine that was just recently delivered.
It is a 1986 Mack/Pierce Engine with a 600 Gallon Booster Tank 1250 GPM Waterous Pump
Pierce fire engine on a Mack CF chassis

North Riverside Engine 809, a 1986 Mack CF Pierce 1250/600. Josh Boyajian photo

Pierce Velocity PUC pumper

North Riverside Engine 807, a 2014 Pierce Velocity PUC. Josh Boyajian photo