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#2046

South African Class ES1

🇬🇧 United Kingdom ·built by English Electric· from 1924· class of 1 South African battery-electric locomotive

South African Class ES1, photo 1 of 1
1/1 Unknown author Unknown author· Public domain

what is it?

The South African Railways Class ES1 of 1924 was an electric locomotive. In 1924, the South African Railways placed a single Class ES1 battery-powered shunting locomotive in service at the construction site of the Colenso power station. In 1927, the power station and the locomotive were sold to the Electricity Supply Commission and in 1937 the locomotive was purchased back for use at the Daimana (Danskraal) locomotive depot.

who runs it

base stats

  • power 37 kWpower output
  • built 1made in total

Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.

fun facts

  • First built 102 years ago, in 1924.
  • Served for 54 years (1924–1978).

electric locomotive: Draws power from overhead wires or a third rail and pulls separate carriages.

spec sheet

built
1924
in service from
1924
retired
1978
status
retired
number built
1
kind
Electric
traction
battery
origin
🇬🇧 United Kingdom
builders
English Electric
designer
English Electric
operators
Eskom, South African Railways and Harbours Administration
top speed
—
power
37 kW
gauge
1,067 mm Cape gauge
electric system
235 V 196 A, 208 cell battery
wheel arrangement
4w
nicknames
Queen Mary

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.

Sources: Wikidata Q7565612, Wikipedia: South African Class ES1 (CC BY-SA 4.0).Updated 2026-10-25.

stan runge 7f71e88 source