From a previous post of mine regarding cost:
Collapse Rescues (3 and 5) $755,260 each
Specs for CR3
H-3981
Chassis: Spartan Gladiator 2-Dr Custom Chassis
Body Type: Heavy Duty Extruded Aluminum
Engine: Cummins ISM-400, 400 HP
Transmission: Allison 4000 EVS Automatic
Rescue Design: Walk Around Body
Specialty Features: 12.5" Front Bumper Extension, Black Rubber Body Fenders, Upper Roof Compartments, 25kW PTO Generator, 200' Cord Reel, Sull Air PTO Compressor, Oxy-Acetylene Cutting Torch System w/ Hannay Torch Line Reel