The 2020 Chevrolet 5500 is a robust service truck equipped with a Navistar 350 V8 6. 6L Diesel engine delivering 350 hp, marked by a 2020 US EPA label and necessitating Diesel Exhaust Fluid.
The 2014 Ford F-550 is a robust service truck equipped with a powerful Ford V8 6. 7L diesel engine producing 300 hp, compliant with 2014 US EPA standards and requiring diesel exhaust fluid.