Die NGR Klas K 2-6-0T stoomlokomotief is 'n tenklokomtief wat in 1877 deur die Natalse Regeringspoorweë bestel is. (en) New Light on Early Natal Locomotives, Article by Donald Bell & A.E. Durrant, SA Rail September–October 1994, pp. 164-166. (en) Holland, D.F. (1971). Steam Locomotives of the South African Railways, Volume 1: 1859–1910 (1st ed.). Newton Abbott, Devon: David & Charles. pp. 84-87. ISBN 978-0-7153-5382-0.