Cat C7 6 Cylinder Diesel Engine, Allison Automatic Transmission, 20000 lb Front Axle, 40000 lb Rears, 60000 lb GVWR, 315/80R22.5, Air Trac Air Ride Suspension, 166 in Wheelbase

Mercedes 6 Cylinder Diesel 370 hp Engine, 2005 US EPA Label, 21311.7 Engine hrs, Engine Brake, Allison 4500 6-Speed Automatic Transmission, 20009 lb Front Axle, 40000 lb Rears, Meritor RT-40-145 Drive Axles, 4.88:1 Axle Ratio, 72350 lb GVWR, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, Double Frame, Tuff Trac Spring Suspension, PTO, Hydraulic System, site mixer body

Detroit DD13 6 Cylinder 12.8 L Diesel 450 hp Engine, 2022 US EPA Label, Requires Diesel Exhaust Fluid, 2755 Engine hrs, Engine Brake, Allison 4500 Automatic Transmission, 20000 lb Front Axle, 23000 lb Rears, 66000 lb GVWR, Air Ride Cab, Aluminum Wheels, 425/65R22.5 Front Tires, 315/80R22.5 Rear Tires, Dual Steering Boxes, Spring Suspension, 266 in Wheelbase, PTO, Bay-Lynx MDM60-08-W-XL Mixer Unit, Admixture System, Composite Water Tank

Cummins ISC 6 Cylinder 8.3 L Diesel Engine