1998 Kenworth day cab..3406-E Cat engine..W/ jake. ..wheel base is 255 center of front axle to center of rear axle. .10 speed transmission. ..12000 # front axle...tandem axle in rear. .back axle is non drive... aluminum rims w/22.5 tires on all alum.hub pilot rims at 30 % rubber, brakes 90%...A/C. ...Low mileage...speedo reads little over 300,000...Can not verifie if this is correct milage...Aluminum Frame. .was a fuel tanker tk..