Last name: Kiefer. This interesting and unusual surname is of Germanic origin, and is a metonymic occupational name for a maker or repairer of wooden vessels such as barrels, tubs, casks and vats. The derivation is from the German kief(e), kufe, itself coming from the Old High German kuofa, barrel.
Commercial Driver's License (CDL) A CDL is required to drive any of the following vehicles: Any combination of vehicles with a gross combined weight rating (GCWR) of 26,001 or more pounds, providing the gross vehicle weight rating (GVWR) of the vehicle being towed is in excess of 10,000 pounds.
Load-zoned weight is 10% less than the maximum permitted. For example, load-zoned weight on a tandem is 41,400 pounds. Vehicles and loads with axle, axle group and gross weight that exceed these limits may qualify for a Super Heavy permit. * Some crane and oil well servicing unit related permit types allow weight in excess of 650 pounds per inch on the steer axle(s).