The four Haz-Mat Tech engines (44, 165, 250, 274) have, as second pieces, 2015 Freightliner M2 106 chassis and cab with Ferrara Rescue bodies.
The seven Squad companies? (1, 18, 41, 61, 252, 270, 288) second pieces are 2015 Ferrara Custom cab and chassis with Ferrara Rescue bodies.