2-8-2 Steam Locomotives in Peru

Class 10 (Locobase 13084)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 30, p 185. See also Martin Coombs, "Part 13 Peruvian standard gauge steam locomotive lists, v1.25 June 2026 at [], last accessed 29 July 2026. Works numbers were 30078, 30125 in February 1907 and 32270-32271 in November.

Martin Coombs noted that at least the 10 arrived with slide valves and inside link motion. Baldwin's specs show the CdeP's operating area included a ruling grade of 2.2% and curve radii as low as 16 degrees.

When the C de P fitted the class with piston valves, they also replaced the Stephenson gear with outside Walschaert's constant-lead gear. The shops fitted all four with new boilers in 1928 (10-11, 14) and 1935 (12).

When Peru nationalized the CdeP, it now was named Centromin.

Class 40 (Locobase 13085)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 44, p 217. See Locobase 13083 for a brief description of this high-altitude line. Works numbers were 39122-39123 in January 1913.

More frankly drag-freight engines than the four Mikados shown in Locobase 12084, this pair served the coal mine branch that ended at Quishuarcancha. A note in the specs says that "Hereafter apply Walschaert valve gear". It's not clear if these two were retrofitted.