# South African Class 36-000

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Class of South African diesel locomotives

South African Class 36-000 No. 36-013 at Rugby, Cape Town, 4 November 2013 Type and origin Power type Diesel-electric Designer General Electric Builder SA GE-DL Locomotive Group Serial number 40420-40519, 41380-41399, 40586-40589 Model GE SG10B Build date 1975–1981 Total produced 124 Specifications Configuration: ​ • AAR B-B • UIC Bo'Bo' • Commonwealth Bo-Bo Gauge 3 ft 6 in (1,067 mm) Cape gauge Wheel diameter 915 mm (36.0 in) Wheelbase 10,782 mm (35 ft 4.5 in) ​ • Bogie 2,082 mm (6 ft 10.0 in) Pivot centres 8,700 mm (28 ft 6.5 in) Length: ​ • Over couplers 15,151 mm (49 ft 8.5 in) Width 2,727 mm (8 ft 11.4 in) Height 3,924 mm (12 ft 10.5 in) Axle load 18,250 kg (40,230 lb) Adhesive weight 73,000 kg (161,000 lb) Loco weight 73,000 kg (161,000 lb) max Fuel type Diesel Fuel capacity 2,200 litres (480 imp gal) Prime mover GE 7FDL-8 RPM range 385–1,050 ​ • RPM low idle 385 • RPM idle 450 • Maximum RPM 1,050 Engine type 4-stroke diesel Aspiration GE 1408 turbocharger Generator 10 pole GE 5GT-581C15 Traction motors Four GE 5GE-761-A13 DC 4 pole ​ • Rating 1 hour 665A • Continuous 655A @ 15 km/h (9.3 mph) Cylinders V8 Gear ratio 92:19 MU working 4 maximum Loco brake 28-LAV-1 with vigilance control Train brakes Westinghouse 6CDX4UC compressor/exhauster Air tank cap. 800 litres (180 imp gal) Compressor 0.033 m3/s (1.2 cu ft/s) Exhauster 0.130 m3/s (4.6 cu ft/s) Couplers AAR knuckle type E Performance figures Maximum speed 100 km/h (62 mph) Power output: ​ • Starting 875 kW (1,173 hp) • Continuous 800 kW (1,100 hp) Tractive effort: ​ • Starting 176 kN (40,000 lbf) @ 25% adh. • Continuous 141 kN (32,000 lbf) @ 14 km/h (8.7 mph) Factor of adh.: ​ • Starting 25% • Continuous 20% Brakeforce 70% ratio @ 345 kPa (50.0 psi) Career Operators South African Railways Spoornet Transnet Freight Rail PRASA Class Class 36-000 Number in class 124 Numbers 36-001 to 36-124 Delivered 1975–1981 First run 1975

The **South African Railways Class 36-000** is a diesel-electric locomotive.

Between June 1975 and 1981, the South African Railways placed 124 Class 36-000 General Electric type SG10B diesel-electric locomotives in service.[1][2]

## Manufacturer

The Class 36-000 type GE SG10B diesel-electric locomotive was designed by [General Electric](/source/General_Electric) (GE) and built for the South African Railways (SAR) in three batches by the South African General Electric-Dorman Long Locomotive Group (SA GE-DL, later Dorbyl). The first one hundred locomotives were delivered between June 1975 and September 1978, numbered in the range from 36-001 to 36-100. These were followed in 1981 by two batches of twenty and four locomotives respectively, numbered in the ranges from 36-101 to 36-120 and 36-121 to 36-124 respectively.[1][2][3]

## Class 36 series

The Class 36 locomotive family consists of two series, the GE type SG10B Class 36-000 and the [General Motors Electro-Motive Division](/source/Electro-Motive_Diesel) (GM-EMD) type SW1002 [Class 36-200](/source/South_African_Class_36-200). Both manufacturers also produced locomotives for the South African Classes 33, 34 and 35.[2]

## Characteristics

[Works plate](/source/Works_plate) on no. 36-025

The Class 36-000 is a general purpose locomotive which is equipped with two station controls for bi-directional operation. It is used mainly for yard shunting and pickup work to service industrial customers.

Their large cab windows were designed to afford the crew the maximum all-round field of vision, but in South African summer months the sun can cause much discomfort in the cab. It is not unusual to find a locomotive on yard work with the sun-side windows covered with newspaper taped onto the insides. A few Class 36-000 locomotives have been observed at Vereeniging and at Port Elizabeth with home depot-applied modifications to their cab roofs in the form of sheetmetal roof extensions to the front and rear to serve as sun-shades.

## Service

When placed in service, they were initially distributed for service between Natal and the Western Transvaal, but they were later exchanged with Class 36-200 units from the Western and Eastern Cape, the Free State and Western Transvaal where they are still serving.[1][3]

## Works numbers

The Class 36-000 [builder's works numbers](/source/Builder's_plate) and years built are shown in the table.[1]

Class 36-000, GE type SG10B Loco no. Works no. Year built 36-001 40420 1975 36-002 40421 1975 36-003 40422 1975 36-004 40423 1975 36-005 40424 1975 36-006 40425 1975 36-007 40426 1975 36-008 40427 1975 36-009 40428 1975 36-010 40429 1975 36-011 40430 1975 36-012 40431 1975 36-013 40432 1975 36-014 40433 1975 36-015 40434 1975 36-016 40435 1975 36-017 40436 1975 36-018 40437 1975 36-019 40438 1975 36-020 40439 1975 36-021 40440 1975 36-022 40441 1975 36-023 40442 1975 36-024 40443 1975 36-025 40444 1975 36-026 40445 1975–78 36-027 40446 1975–78 36-028 40447 1975–78 36-029 40448 1975–78 36-030 40449 1975–78 36-031 40450 1975–78 36-032 40451 1975–78 36-033 40452 1975–78 36-034 40453 1975–78 36-035 40454 1975–78 36-036 40455 1975–78 36-037 40456 1975–78 36-038 40457 1975–78 36-039 40458 1975–78 36-040 40459 1975–78 36-041 40460 1975–78 36-042 40461 1975–78 36-043 40462 1975–78 36-044 40463 1975–78 36-045 40464 1975–78 36-046 40465 1975–78 36-047 40466 1975–78 36-048 40467 1975–78 36-049 40468 1975–78 36-050 40469 1975–78 36-051 40470 1975–78 36-052 40471 1975–78 36-053 40472 1975–78 36-054 40473 1975–78 36-055 40474 1975–78 36-056 40475 1975–78 36-057 40476 1975–78 36-058 40477 1975–78 36-059 40478 1975–78 36-060 40479 1975–78 36-061 40480 1975–78 36-062 40481 1975–78 36-063 40482 1975–78 36-064 40483 1975–78 36-065 40484 1975–78 36-066 40485 1975–78 36-067 40486 1975–78 36-068 40487 1975–78 36-069 40488 1975–78 36-070 40489 1975–78 36-071 40490 1975–78 36-072 40491 1975–78 36-073 40492 1975–78 36-074 40493 1975–78 36-075 40494 1975–78 36-076 40495 1975–78 36-077 40496 1975–78 36-078 40497 1975–78 36-079 40498 1975–78 36-080 40499 1975–78 36-081 40500 1975–78 36-082 40501 1975–78 36-083 40502 1975–78 36-084 40503 1975–78 36-085 40504 1975–78 36-086 40505 1975–78 36-087 40506 1975–78 36-088 40507 1975–78 36-089 40508 1975–78 36-090 40509 1975–78 36-091 40510 1975–78 36-092 40511 1975–78 36-093 40512 1975–78 36-094 40513 1975–78 36-095 40514 1975–78 36-096 40515 1975–78 36-097 40516 1975–78 36-098 40517 1975–78 36-099 40518 1975–78 36-100 40519 1975–78 36-101 41380 1981 36-102 41381 1981 36-103 41382 1981 36-104 41383 1981 36-105 41384 1981 36-106 41385 1981 36-107 41386 1981 36-108 41387 1981 36-109 41388 1981 36-110 41389 1981 36-111 41390 1981 36-112 41391 1981 36-113 41392 1981 36-114 41393 1981 36-115 41394 1981 36-116 41395 1981 36-117 41396 1981 36-118 41397 1981 36-119 41398 1981 36-120 41399 1981 36-121 40586 1981 36-122 40587 1981 36-123 40588 1981 36-124 40589 1981

## Liveries

The Class 36-000 were all delivered in the SAR Gulf Red livery with signal red buffer beams, yellow side stripes on the long hood sides and a yellow V on each end. In the 1990s many of the units began to be repainted in the Spoornet orange livery with a yellow and blue chevron pattern on the buffer beams. From 2007 many were repainted in the Spoornet blue livery with outline numbers on the long hood sides. After 2008 in the [Transnet Freight Rail](/source/Transnet_Freight_Rail) (TFR) and [Passenger Rail Agency of South Africa](/source/Passenger_Rail_Agency_of_South_Africa) (PRASA) era, many were repainted in the TFR red, green and yellow livery and at least one was repainted in the PRASA blue livery.[1][4]

## Class 91-000

Class 91-000 no. 91-010 on Class 36-000 bogies, Swartkops, 21 April 2013

Bogies and traction motors from Class 36-000 locomotives were often used under the 2 ft (610 mm) narrow gauge [Class 91-000](/source/South_African_Class_91-000) GE UM6B diesel-electric locomotives when they were being transferred between the Cape and Natal narrow gauge systems. These "Bigfoot bogies" enabled them to travel under their own power on 3 ft 6 in (1,067 mm) [Cape gauge](/source/Cape_gauge). Bigfoot bogies were also used under the narrow gauge locomotives whenever they had to be exchanged for maintenance purposes, sometimes running under their own power, sometimes hauled dead.[1]

After most of the Class 91-000 narrow gauge locomotives were withdrawn, one of them was allocated to the Swartkops electric locomotive depot in Port Elizabeth for use as shunting engine. It was also running on Class 36-000 bogies, but with only one bogie powered.

## Illustration

The main picture shows no. 36-013 in Transnet Freight Rail livery approaching Rugby in Milnerton from Table Bay Harbour on 4 November 2013. Other liveries which were applied to Class 36-000 locomotives and the sun-shade depot modification are illustrated below.

		- No. 36-069 in Spoornet orange livery at the Bloemfontein Locomotive Depot, 29 April 2013

		- No. 36-052 with a sun-shade modified cab roof at Swartkops, [Port Elizabeth](/source/Port_Elizabeth), 17 October 2009

		- No. 36-001 in Spoornet blue livery with outline numbers at Stikland, Cape Town, 23 May 2007

		- No. 36-027 in Passenger Rail Agency of South Africa blue livery at Culemborg Yard, Cape Town, 15 October 2015

		- No. 36-001 in Spoornet blue livery with outline numbers at Cape Town Station carrying Shosholoza Meyl Carriages, 09 December 2023

## References

Wikimedia Commons has media related to [South African Class 36-000](https://commons.wikimedia.org/wiki/Category:South_African_Class_36-000).

1. ^ [***a***](#cite_ref-Middleton_1-0) [***b***](#cite_ref-Middleton_1-1) [***c***](#cite_ref-Middleton_1-2) [***d***](#cite_ref-Middleton_1-3) [***e***](#cite_ref-Middleton_1-4) [***f***](#cite_ref-Middleton_1-5) Middleton, John N. (2002). *Railways of Southern Africa Locomotive Guide - 2002 (as amended by Combined Amendment List 4, January 2009)* (2nd, Dec 2002 ed.). Herts, England: Beyer-Garratt Publications. pp. 38, 43.

1. ^ [***a***](#cite_ref-E&D_diagram-book_2-0) [***b***](#cite_ref-E&D_diagram-book_2-1) [***c***](#cite_ref-E&D_diagram-book_2-2) South African Railways Index and Diagrams Electric and Diesel Locomotives, 610mm and 1065mm Gauges, Ref LXD 14/1/100/20, 28 January 1975, as amended

1. ^ [***a***](#cite_ref-Paxton-Bourne_3-0) [***b***](#cite_ref-Paxton-Bourne_3-1) Paxton, Leith; Bourne, David (1985). *Locomotives of the South African Railways* (1st ed.). Cape Town: Struik. pp. 142–143. [ISBN](/source/ISBN_(identifier)) [0869772112](https://en.wikipedia.org/wiki/Special:BookSources/0869772112).

1. **[^](#cite_ref-Soul_of_a_Railway_7-9_4-0)** [Soul of A Railway, System 7, Western Transvaal, based in Johannesburg, Part 9. South-Eastwards as far as Volksrust (2nd part) by Les Pivnic. Caption 4.](https://sites.google.com/site/soulorailway/home/system-7-1/south-eastwards-as-far-as-volksrust-2nd-section-wattles-to-union-junction-by-les-pivnic) [Archived](https://web.archive.org/web/20210724042106/https://sites.google.com/site/soulorailway/home/system-7-1/south-eastwards-as-far-as-volksrust-2nd-section-wattles-to-union-junction-by-les-pivnic) 24 July 2021 at the [Wayback Machine](/source/Wayback_Machine) (Accessed on 11 April 2017)

v t e Locomotives of South Africa Steam 7' ¼" gauge East London 0-4-0VB Table Bay 0-4-0ST Table Bay 0-4-0T Table Bay 0-4-0WT Standard gauge Cape 0-4-0T Blackie Cape 0-4-2 Cape 2-4-0T CGR 0-4-0ST Aid Natal 0-4-0ST Durban Natal 0-4-0WT Natal Natal 4-4-0T Perseverance Cape gauge Tank engines CGR 0-4-0ST 1873 CGR 0-4-0ST 1874 CGR 0-4-0ST 1881 CGR 0-4-0ST 1881 Coffee Pot CGR 0-6-0ST CGR 0-6-0T CGR 2-6-0ST 1900 CGR 2-6-0ST 1902 CGR 1st Class 0-4-0ST 1875 CGR 1st Class 0-4-0ST 1876 CGR 1st Class 2-6-0ST CGR 1st Class 4-4-0T CGR 2nd Class 4-4-0T CGR 3rd Class 2-6-0T CGR Railmotor CSAR Class C CSAR Class E CSAR Rack 4-6-4RT CSAR Railmotor Durban's Congella Durban's Edward Innes Durban's John Milne Durban's Sir Albert Port Elizabeth 0-4-0ST Kowie Railway 0-6-0T Kowie Railway 4-4-0T Metropolitan & Suburban 4-6-2T NGR 2-6-0T Durban & Pietermaritzburg NGR Class I 2-6-2T NGR Class K 0-4-0ST NGR Class K 0-6-0ST NGR Class K 2-6-0T NZASM 10 Tonner NZASM 13 Tonner NZASM 14 Tonner NZASM 18 Tonner NZASM 19 Tonner NZASM 32 Tonner NZASM 40 Tonner PPR 26 Tonner PPR 35 Tonner Portuguese SAR Class A SAR Class B SAR Class C SAR Class C1 SAR Class C2 SAR Class D SAR Class E SAR Class F SAR Class G SAR Class H SAR Class H1 SAR Class H2 SAR Class J SAR Class K SAR Railmotor SAR Dock 0-4-0ST SAR Dock 0-4-0T SWA 2-8-0T Cape gauge Tender engines CGR 1st Class 2-6-0 1876 BP CGR 1st Class 2-6-0 1876 Kitson CGR 1st Class 2-6-0 1879 CGR 1st Class 2-6-0 1891 CGR 1st Class 4-4-0 CGR 1st Class 4-4-0TT CGR 2nd Class 2-6-2TT CGR 3rd Class 4-4-0 1883 CGR 3rd Class 4-4-0 1884 CGR 3rd Class 4-4-0 1889 CGR 3rd Class 4-4-0 1898 CGR 3rd Class 4-4-0 1901 CGR 3rd Class 4-4-0 1903 CGR 4th Class 4-4-2 CGR 4th Class 4-6-0TT 1880 CGR 4th Class 4-6-0TT 1882 CGR 4th Class 4-6-0TT 1882 Joy CGR 4th Class 4-6-0TT 1884 CGR 5th Class 4-6-0 1890 CGR 5th Class 4-6-0 1891 NGR Havelock NGR Class I SAR Class Exp 1 SAR Class Exp 2 SAR Class Exp 3 SAR Class Exp 4 SAR Class Exp 5 SAR Class Exp 6 SAR Class S SAR Class S1 SAR Class S2 SAR Class 1 SAR Class 1A SAR Class 1B SAR Class 2 SAR Class 2C SAR Class 3 SAR Class 3A SAR Class 3B SAR Class 4 SAR Class 4A SAR Class 5 SAR Class 5A SAR Class 5B SAR Class 6 SAR Class 6A SAR Class 6B SAR Class 6C SAR Class 6D SAR Class 6E SAR Class 6F SAR Class 6G SAR Class 6H SAR Class 6J SAR Class 6K SAR Class 6L SAR Class 6Y SAR Class 6Z SAR Class 7 SAR Class 7A SAR Class 7B SAR Class 7C SAR Class 7D SAR Class 7E SAR Class 7F SAR Class 8 SAR Class 8A SAR Class 8B SAR Class 8C SAR Class 8D SAR Class 8E SAR Class 8F SAR Class 8R SAR Class 8X SAR Class 8Y SAR Class 8Z SAR Class 9 SAR Class 10 SAR Class 10A SAR Class 10B SAR Class 10C SAR Class 10D SAR Class 11 SAR Class 12 SAR Class 12A SAR Class 12B SAR Class 13 SAR Class 14 SAR Class 14A SAR Class 14B SAR Class 14C 1st SAR Class 14C 2nd SAR Class 14C 3rd SAR Class 14C 4th SAR Class 15 SAR Class 15A SAR Class 15B SAR Class 15C SAR Class 15CA SAR Class 15E SAR Class 15F SAR Class 16 SAR Class 16A SAR Class 16B SAR Class 16C SAR Class 16D SAR Class 16DA 1928 SAR Class 16DA 1930 SAR Class 16E SAR Class 17 SAR Class 18 SAR Class 19 SAR Class 19A SAR Class 19B SAR Class 19C SAR Class 19D SAR Class 20 SAR Class 21 SAR Class 23 SAR Class 24 SAR Class 25 SAR Class 25NC SAR Class 26 SAR Katanga SWA 2-8-0 Cape gauge Articulated engines CGR Fairlie CGR Kitson-Meyer SAR Class FC SAR Class FD SAR Class GA SAR Class GB SAR Class GC SAR Class GCA SAR Class GD SAR Class GDA SAR Class GE SAR Class GEA SAR Class GF SAR Class GG SAR Class GH SAR Class GK SAR Class GL SAR Class GM SAR Class GMA SAR Class GO SAR Class HF SAR Class KM SAR Class MA SAR Class MB SAR Class MC SAR Class MC1 SAR Class MD SAR Class ME SAR Class MF SAR Class MG SAR Class MH SAR Class MJ SAR Class MJ1 SAR Class U 2' 6" gauge Cape Copper John King & Miner Cape Copper Britannia Cape Copper Caledonia Cape Copper Clara Cape Copper Condenser Cape Copper Scotia Namaqua Copper Pioneer Walvis Bay 2-4-2T Hope 2' & 600mm gauges ACR Class NG-G16A CGR NG 0-4-0T CGR NG 0-6-0T CGR NG 4-6-2T CGR Type A 2-6-4T CGR Type C 0-4-0T NGR Class N 4-6-2T SAR Dutton SAR NG 0-4-0T SAR Class NG1 SAR Class NG2 SAR Class NG3 SAR Class NG4 SAR Class NG5 SAR Class NG6 SAR Class NG7 SAR Class NG8 SAR Class NG9 SAR Class NG10 SAR Class NG-G11 SAR Class NG-G12 SAR Class NG-G13 SAR Class NG-G14 SAR Class NG15 SAR Class NG-G16 SWA Class Ha SWA Class Hb SWA Class Hc SWA Class Hd SWA Jung SWA Zwillinge Electric Amcoal Class E38 SAR Class ES SAR Class ES1 SAR Class Exp-AC SAR Class 1E SAR Class 2E SAR Class 3E SAR Class 4E SAR Class 5E s1 SAR Class 5E s2 SAR Class 5E s3 SAR Class 5E1 s1 SAR Class 5E1 s2 SAR Class 5E1 s3 SAR Class 5E1 s4 SAR Class 5E1 s5 SAR Class 6E SAR Class 6E1 s1 SAR Class 6E1 s2 SAR Class 6E1 s3 SAR Class 6E1 s4 SAR Class 6E1 s5 SAR Class 6E1 s6 SAR Class 6E1 s7 SAR Class 6E1 s8 SAR Class 6E1 s9 SAR Class 6E1 s10 SAR Class 6E1 s11 SAR Class 7E SAR Class 7E1 SAR Class 7E2 s1 SAR Class 7E2 s2 SAR Class 7E3 s1 SAR Class 7E3 s2 Spoornet Class 7E4 SAR Class 8E SAR Class 9E s1 SAR Class 9E s2 SAR Class 10E SAR Class 10E1 s1 Spoornet Class 10E1 s2 SAR Class 10E2 SAR Class 11E SAR Class 12E Spoornet Class 14E Spoornet Class 14E1 TFR Class 15E Spoornet Class 16E Spoornet Class 17E Spoornet Class 18E s1 TFR Class 18E s2 TFR Class 19E TFR Class 20E TFR Class 21E TFR Class 22E TFR Class 23E Gas-electric SAR Gas-electric Diesel Cape gauge Diesel–electric PRASA Class Afro 4000 SAR Class DS SAR Class DS1 SAR Class 31-000 SAR Class 32-000 SAR Class 32-200 SAR Class 33-000 SAR Class 33-200 SAR Class 33-400 SAR Class 34-000 SAR Class 34-200 SAR Class 34-400 SAR Class 34-500 SAR Class 34-600 SAR Class 34-800 SAR Class 34-900 SAR Class 35-000 SAR Class 35-200 SAR Class 35-400 SAR Class 35-600 TFR Class 35-800 SAR Class 36-000 SAR Class 36-200 SAR Class 37-000 Spoornet Class 39-000 TFR Class 39-200 TFR Class 43-000 TFR Class 44-000 TFR Class 45-000 2' gauge Diesel–electric SAR Class 91-000 Cape gauge Diesel–hydraulic SAR Class 61-000 Cape gauge Electro-diesel Spoornet Class 38-000 List of South African locomotive classes South African locomotive numbering and classification

v t e Diesel locomotives built by GE Transportation / GE Rail Industrial and switch engines 60-ton boxcab 100-ton boxcab 600-hp centercab 1000-hp centercab DEY-2 EN-6 25-ton 35-ton 43-ton 44-ton 45-ton 50-ton 60-ton 65-ton 70-ton 80-ton 95-ton 100-ton 110-ton 125-ton 126-ton 128-ton 1800-hp transfer 2000-hp transfer U5B U6B Universal Series UM6B U9B U10B U12B U13B UD18 U18B U23B U25B U28B U30B U33B U36B UM12C U12C U14C U15C Class 35-000 Class 35-400 U17C U18C U18C1 U20C U20C1 U23C U25C U26C U28C U30C U33C U36C U50 U50C Passenger locomotives U28CG U30CG U34CH P30CH B32-8WH Genesis series (P40DC, P32AC-DM, P42DC) Dash 7 Series B23-7 BQ23-7 B30-7 B30-7A B36-7 C30-7 C30-7A C36-7 Dash 8 Series B32-8 B39-8 B40-8 B40-8W C32-8 C39-8 C40-8 C40-8M C40-8W C40-8.5W C41-8W C44-8W Dash 9 Series C40-9 C40-9W C44-9W BB40-9W C-38AChe Cv40-9i AC series AC4400CW AC6000CW C30ACi C44ACi Evolution Series ES40ACi ES40DC ES44DC ES44DCi ES44AC ES44C4 ET44AC ET44C4 ES59ACi PowerHaul Series PH37ACmi PH37ACi PH37ACmai Indonesian series U18A1A C18MMi C20EMP CM20EMP (see also: List of GE locomotives)

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Adapted from the Wikipedia article [South African Class 36-000](https://en.wikipedia.org/wiki/South_African_Class_36-000) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/South_African_Class_36-000?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.