NZASM 40 Tonner 0-6-2T
The NZASM 40 Tonner 0-6-2T of 1892 was a South African steam locomotive from the pre-Union era in Transvaal. In 1892 and 1893, the Nederlandsche-Zuid-Afrikaansche Spoorweg-Maatschappij (NZASM) of the Zuid-Afrikaansche Republiek (Transvaal Republic) placed twenty locomotives in mainline service. Since the railway classified its locomotives according to their weight, these locomotives were known as the . Manufacturer Although the completion of the line from Delagoa Bay to Pretoria was still more than three years in the future, a requirement for larger and heavier mainline locomotives was identified in 1891. The Nederlandsche-Zuid-Afrikaansche Spoorweg-Maatschappij (NZASM) therefore ordered ten tank locomotives from Emil Kessler's Maschinenfabrik Esslingen. A second order for another ten followed later in 1891. The first batch of locomotives were delivered in 1892, numbered in the range from 41 to 50. Of the second batch, numbered in the range from 51 to 60, the last seven were built in 1892. Since the NZASM classified its locomotives according to their weight, these locomotives were known as the . In addition to being numbered, they were all named as well, with the names and numbers cast in brass and mounted on their tank sides. Characteristics The locomotive used Murdoch's D unbalanced slide valves,