2018 CAT AP555F , 3D Grade Control - Capable, Augers, Vertically Adjustable, Contact Grade Sensors - Capable, Contact Ski - Capable, Crown Control - Power, Emissions Level - EPA - EPA TIER 4f, Feeder Sensors - Sonic, Generator, Mobile Reference Ski - Capable, Product Link, Push Roller - Oscillating, Screed Extensions - Height Control - Power, Screed Extensions - Slope Control - Power, Screed Heating System - Electrical, Screed Type, Hydraulic - Front Extensions, Screed, End Gate, Screed, Extensions - Hydraulic, Screed, Grade Control, Screed, Hitch, Screed, Slope Control, Screed, Wand, Slope Sensors - Included, Sonic Grade Sensors - Included, Thickness Controls, Manual, Ultra Low Sulfur Diesel Fuel, Vandal Guards, Ventilation System, Washdown Tank - Hose Reel and Wand Included,