4014 in November 1941 at a cost of $265,174 and delivered it the following month to Union Pacific, where it was placed in revenue service. No. 4014 was part of the first group of 20 Big Boys, classified as 4884–1. Designed to haul 3,600-short-ton (3,214-long-ton; 3,266 t) freight trains over Utah's Wasatch Range, No.