The layout of the driving wheels is never explicitly mentioned, but the configuration would be either 4-12-4 or 4-6-0+0-6-4 (see Whyte notation).
Alain Whyte | William H. Whyte | John Milligan-Whyte | Big O notation | Z notation | Reverse Polish notation | John Whyte | Whyte notation | Parts-per notation | George Whyte-Melville | Craig Whyte | Cassandra B. Whyte | William Pinkney Whyte | The final form of Braille's alphabet, according to Henri (1952). The decade diacritics are listed at left, and the supplementary letters are assigned to the appropriate decade at right. Characters are derived by combining the diacritic on the left with the basic letters at top. "(1)" indicates markers for musical and mathematical notation. Parentheses and quotation marks follow English Braille | that book's notation | Siegbahn notation | scientific pitch notation | Ron Whyte | Ronald M. Whyte | Reverse Polish Notation | reverse Polish notation | quote notation | Portable Game Notation | Jack Whyte | Infix notation | Frederick Whyte | Douglas Whyte | abuse of notation | Abstract Syntax Notation One | ABC notation |
The Pacific is a class of steam locomotive designated in Whyte notation as a 4-6-2, with four pilot wheels, six driving wheels, and two trailing wheels.