Twelve years later, conventional locomotives replaced the atmospheric powered engines.
Between 1926 and 1928 new locomotives replaced the Class 1B on main line passenger service in Natal.
Diesel and electric locomotives have gradually replaced steam locomotives.
Most remained there and were only transferred back to South Africa when the Class 32-000 diesel-electric locomotives replaced them in 1961.
Furthermore, since mid-1990s EMUs and newer locomotives as class 146 replaced even more class 141 units.
As the locomotive replaced the stage coach for long-distance travel, less efficiency of movement was required of driving horses, resulting in higher action.
During the 1980s and 90s, diesel and electric locomotives gradually replaced steam engines on the main lines.
The agency's board also voted to buy 1,244 buses and 24 electric locomotives to replace aging equipment.
The locomotives replaced three older Highbridge-built saddle tanks, 24A, 25A and 45A.
They were taken out of service in 1930 as larger locomotives replaced them.