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.
CONTAINER SPECIFICATIONS. GENERAL EQUIPMENT FEATURES. Standard cargo weight guideline: 38,000 lbs. for a 20' container unit and 44,000 lbs. for a 40' container unit. ACL has various types of chassis equipment available that will allow for greater cargo load weight and meet the U.S. FHWA weight guidelines.