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.
CDL Class A License Endorsement. Class A vehicles include any combination of vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more as long as the vehicle being towed weighs more than 10,000 pounds. Class A Commercial Drivers License is covered in the following sections from the CDL handbook: