In Spanish it is a mistake, because it has been a long time since the English word carter (or crankcase) was Castilianized as "crankcase" ("box containing parts of the engine of a car, or another machine").
It is a surname of English origin. Last name of former president of the United States named Jimmy Carter (James Earl Carter Jr. ) . He is a Democrat and was the 39th president of the Union. He is 97 years old. Name of a part of a car's engine, where the crankshaft goes. It is a maillalic box where the engine oil also goes.
Carter is a surname of English origin. It may have been adapted into Spanish as a crankcase.