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Railway coupling by country

Railway coupling by country is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Railway coupling by country rather than just read about it. In short: The railcar couplers or couplings listed, described, and depicted below are used worldwide on legacy and modern railways. Compatible and similar designs are frequently referred to using widely differing make, brand, regional or nick names, which can make describing standard or typical designs confusing.

Railway coupling by country — main illustration
Railway coupling by country — illustration

Key takeaways

  • Railway coupling by country belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Railway coupling by country to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Railway coupling by country from memory before moving on to harder problems.

Reference excerpt

The railcar couplers or couplings listed, described, and depicted below are used worldwide on legacy and modern railways. Compatible and similar designs are frequently referred to using widely differing make, brand, regional or nick names, which can make describing standard or typical designs confusing. Dimensions and ratings noted in these articles are usually of nominal or typical components and systems, though standards and practices also vary widely with railway, region, and era. Transition between incompatible coupler types may be accomplished using dual couplings, a coupling adapter or a barrier wagon.

Coupler types

ABC coupler (Automatic Buffing Contact) Albert coupler Bell-and-hook coupler BSI coupler (Bergische Stahl Industrie) Buffers and chain coupler, also known as British, buffers and screw, English, EU, link and hook, UIC, or UK coupler Center-buffer-and-chain coupler Digital automatic coupling (DAC) GF coupler Henricot coupler H2C coupler Janney coupler, also known as AAR, APT, ARA, CB, center buffer, knuckle, MCB or tightlock coupler Johnston link and pin coupler Link and pin coupler Miller coupler Norwegian coupler, also known as chopper or Jones coupler Pin and cup coupler (WABCO N-Type) SA-3, also known as SovietAuto-3, AK69e, CA-3, Russian or Willison coupler Scharfenberg coupler, also known as Dellner, Schaku or Voith coupler While different Scharfenburg couplers may be mechanically compatible, they may be electrically incompatible. Shibata coupler Ward coupler Wedglock coupler, also known as London or Tube coupler

Africa

Algeria

English, Russian couplers on 1,435 mm (4 ft 8+1⁄2 in) standard gauge track English couplers on 1,055 mm (3 ft 5+1⁄2 in) gauge track

Angola

AAR couplers

Botswana

AAR couplers

Benin

CBC couplers

Burkina Faso and Côte d'Ivoire

English couplers

Cameroon

Russian couplers (SA3)

Congo~Brazzaville

SA3 couplers

Democratic Republic of the Congo

AAR couplers

Egypt

English couplers on historic stock AAR coupler Links on modern stock

Eritrea

CBC couplers

Ethiopia

AAR couplers

Gabon

Russian couplers

Ghana

Norwegian couplers on historic stock AAR couplers on modern stock

Kenya AAR and Norwegian couplers on Narrow gauge railways AAR Alliance couplers on Standard gauge railways

Liberia

AAR couplers

Malawi

AAR couplers

Mali

like Senegal

Mauritania

AAR couplers SA3 couplers

Morocco

English couplers

Mozambique

AAR couplers

Nigeria

AAR couplers on modern 1,435 mm (4 ft 8+1⁄2 in) standard gauge railways ABC couplers on legacy 1,067 mm (3 ft 6 in) railways ABC couplers on legacy Bauchi Light Railway 762 mm (2 ft 6 in) Narrow gauge railways

Senegal

English couplers on freight and passenger stock Norwegian couplers on Indian Stock

South Africa

Buffers and chain coupler from 1859 to 1873. Johnston link-and-pin from 1873 to 1927 on Cape gauge, from 1906 on 2 ft (610 mm) narrow gauge in Natal. Bell-and-hook from 1902 on 2 ft (610 mm) narrow gauge in the Cape of Good Hope. AAR knuckle wide use from 1927 on Cape gauge. The first application of these couplers in what is now South Africa was in 1904 by the ultra-progressive Central South African Railways (CSAR) on their rolling stock for the "Limited Expresses" between Johannesburg and Pretoria. Willison from 1973 on 2 ft (610 mm) narrow gauge in the Cape Province. WABCO N-Type from 1984 on 6M EMU rolling stock. Also used on class 8M EMU rolling stock built from 1988. Scharfenberg from 2012 on Gautrain, from 2016 on new PRASA EM01 commuter stock.

Sudan

AAR couplers

Tanzania

Norwegian couplers on 1,000 mm (3 ft 3+3⁄8 in) metre gauge track AAR couplers on 1,067 mm (3 ft 6 in) gauge track AAR couplers on 1,435 mm (4 ft 8+1⁄2 in) standard gauge track.

Togo

Center buffer and side chain couplers Norwegian couplers on Indian Stock

Tunisia

English couplers

Uganda narrow gauge : Norwegian couplers standard gauge : AAR couplers.

Asia

Bangladesh

AAR couplers on 5 ft 6 in (1,676 mm) Stock Norwegian couplers on 1,000 mm (3 ft 3+3⁄8 in) Stock

Cambodia

English couplers on older stock AAR couplers on newer stock

China

AAR couplers on most passenger and freight stock A variation of Shibata couplers between 25T passenger coaches (AAR couplers between Bombardier-built coaches) Scharfenberg couplers on high speed (CRH) and subway trains

Hong Kong

BSI couplers on ex-MTR passenger units and maintenance stock Tightlock couplers on ex-KCR passenger units Dellner couplers on light rail stock AAR couplers on freight stock

India

English couplers on historic stock AAR couplers on modern stock Norwegian couplers on 1,000 mm (3 ft 3+3⁄8 in) metre gauge track ABC couplers on narrow gauge stock Scharfenberg couplers in Suburban EMU and DEMU trains and rapid transit rolling stocks

Indonesia

English couplers on 1,435 mm (4 ft 8+1⁄2 in) standard gauge historic stock of Nederlandsch-Indische Spoorweg Maatschappij (Dutch East Indies Railway Company) Norwegian couplers on 1,067 mm (3 ft 6 in) gauge historic stock of The Dutch East Indies National Railway Company and the majority of the Dutch East Indies Private Railway and Tramway Companies AAR couplers and Shibata couplers on modern stock Scharfenberg couplers for the Jakarta - Bandung high speed rail and Soekarno Hatta Airport skytrain. Shibata couplers (based on Scharfenberg couplers) for Jakarta LRT Dellner coupler for Greater Jakarta LRT

Iran

English couplers, Russian (C-AKv) combo couplers on freight and passenger stock Scharfenberg couplers on passenger stock

Iraq

English couplers on historic stock English, Russian (C-AKv) combo couplers on modern stock

Israel

English couplers on freight and passenger stock Scharfenberg couplers on passenger stock

Japan

English couplers on historic stock AAR couplers on locomotives, freight and passenger stock Shibata couplers (based on Scharfenberg couplers) on passenger stock

North Korea

AAR couplers on standard gauge stock Reduced-size Janney couplers (AAR) on narrow gauge stock Scharfenberg couplers on Pyongyang Metro stock

South Korea

English couplers, link and pin couplers on historic stock AAR couplers on modern stock Shibata couplers (based on Scharfenberg couplers) on Subways and metro car Scharfenberg couplers on KTX and imported light metro car

Malaysia

Norwegian couplers on historic stock AAR couplers on modern stock Scharfenberg couplers on ERL, LRT, MRT and Monorail.

Pakistan

English couplers on historic stock AAR couplers on modern stock

Philippines

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with Railway coupling by country

Start with the simplest possible case. Write down what Railway coupling by country claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Railway coupling by country before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Railway coupling by country ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Railway coupling by country

In research
Railway coupling by country appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Railway coupling by country in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Railway coupling by country is common in secondary-school and first-year university syllabi. It links to neighbouring topics Couplers, so understanding it makes those chapters shorter.
In everyday life
Look for Railway coupling by country outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Railway coupling by country in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Railway coupling by country means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Railway coupling by country out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Railway coupling by country in simple terms?

The railcar couplers or couplings listed, described, and depicted below are used worldwide on legacy and modern railways. Compatible and similar designs are frequently referred to using widely differing make, brand, regional or nick names, which can make describing standard or typical designs confu…

Why does Railway coupling by country matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Railway coupling by country?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Railway coupling by country.

Tags

  • Couplers

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