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Listed, described, & depicted below are various RailCar Couplers as typically used throughout the world on both historic & modern railways. A given coupler is often known by several different names. Compromise Couplers\Wagons are used to transition between different otherwise incompatible couplers. Click any Image\Video below for a larger view. Dead links may be revived via the InternetArchive.

AAR Couplers

RailCarCoupler.AARx 0000RailCarCoupler.AARx 0001RailCarCoupler.AARx 0002
Also known as the Janney\American\BuckEye\DropHead\Knuckle\Sharon\SwingHead\MCB\ARA\APTA...
1873 Patent by Eli Janney (Alexandria USVA), Legislated 1893 By US Congress As Standard
Wide use in North+SouthAmerica\Africa\Asia\Austrialia\India\Japan\MidEast...
Limited use on FreightUnits+PassengerUnits+PassengerCoaches in Britain+NewZeaLand
SubType MCB5 used 1893~1903, with 9"HighSlottedKnuckle, for transition from LINK+MH&P couplers
SubType AARD used 1904~1931, with 9"High SolidKnuckle & Improved Contour
SubType AARE used 1932+Later, with 11"High HeavyKnuckle, for Freight Locos+Wagons
SubType AARF used 1954+Later, with InterLock Safety Design, for HazMat+Rotary Wagons
SubType AARH used 1947+Later, with TightLock Slackless Design, for Passenger Locos+Wagons
All AAR SubTypes will mate to any other AAR coupler
Scale 0.500\0.750 versions used on Amusement+Industrial+NarrowGage railways
Compromise AAR~EURO couplers (Drop\SwingHeads) used in Britain+Australia+NewZeaLand
Compromise AAR~RUSS couplers used for interchange in North+West China
Compromise AAR~WAB\SCHA couplers used for Loco~Unit rescue in NorthAmerica
SemiAuto Coupling; SemiAuto Decoupling; AARH couplers may have FullAuto Pneu+Elec connections
Maximum Ratings: Draft 650kLb 2891kN, Tonnage 36376ShortTon 33000MetricTon
Typical Service: Draft 230kLb 1067kN, Tonnage 13227ShortTon 12000MetricTon
Reference Reference Reference Reference Reference Reference Reference Reference Reference Reference Reference Reference Reference

ABC Couplers

RailCarCoupler.ABCx 0000RailCarCoupler.ABCx 0001
Also known as AutoBuffingContact couplers
1906 Design+Patent by J.T.Jepson (Wolverhampton Britain)
Simular but incompatible with NCDA couplers
Replaced outlawed LINK couplers on NarrowGage stock in BritishColonial Africa+Honduras+India+Pakistan
SemiAuto Coupling, SemiAuto Decoupling
Maximum Ratings: Draft 35kLb 156kN, Tonnage 1959ShortTon 1777MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference

ALBErt Couplers

RailCarCoupler.Albe 0000RailCarCoupler.Albe 0001
1920s Design+Patent by Karl Albert (Krefeld Germany)
Limited use on PassengerUnits as SemiPermanent DrawBars in Europe
Manual Coupling; Manual Decoupling
Maximum Ratings: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference Reference

BSI Couplers

RailCarCoupler.BSIx 0000RailCarCoupler.BSIx 0001
Also known as BergischeStahlInd couplers
1950s Design+Patent by BSI (Germany)
Limited use on PassengerUnits in Britain+Germany+China
FullAuto Coupling; FullAuto Decoupling
Maximum Ratings: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference

CB Couplers

RailCarCoupler.CBxx 0002RailCarCoupler.CBxx 0003
Also known as CenterBuffer\BalanceBeam couplers
Various designs & configurations
Limited use on NarrowGage Stock in Africa+Europe
Manual Coupling, Manual Decoupling
Maximum Ratings: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference Reference

EURO Couplers

RailCarCoupler.Engl 0000RailCarCoupler.Engl 0001RailCarCoupler.Engl 0002
Also known as British\Chain+Buffers\English\Instanter\Links+Buffers\Screw+Buffers couplers
1830 development\evolution from simple chains by LiverpoolManchesterRailway
Wide use in Britain+Africa+Europe+India+IreLand+MidEast+NewZeaLand
Limited use in Asia+Australia+SouthAmerica
Historic use in Japan; Replaced by AAR couplers in 1925
Compromise EURO~AAR couplers are known as DropHead\SwingHead couplers
Compromise EURO~RUSS couplers are known as AK69\SA4 or CAKv\SA5 couplers
Compromise EURO~SCHA couplers are known as Dellner couplers
Manual Coupling; Manual Decoupling
Maximum Ratings: Draft 303kLb 1350kN, Tonnage 4409ShortTon 4000MetricTon
Typical Service: Draft 191kLb 850kN, Tonnage 2755ShortTon 2500MetricTon
Reference Reference Reference Reference

Typical Mounting Dimensions For Buffers Used With EURO Couplers:

On 4f708 1m435 Railways: HeightATOR=3f458 1m054, Center~Center=5f741 1m750 to 6f000 1m829
On 5f000 1m524 Railways: HeightATOR=3f543 1m080, Center~Center=6f000 1m829
On 5f250 1m600 Railways: HeightATOR=3f281 1m000, Center~Center=6f250 1m905
On 3f281 1m000 Railways: HeightATOR=2f461 0m750, Center~Center=?

GFAG Couplers

RailCarCoupler.GFxx 0000RailCarCoupler.GFxx 0001
Designed+Patent by GeorgFischerAG(GFAG\+GF+,Swiz)
SubTypes include GFNebenbahn(GFN), GFTram(GFT), GFVorortsbahn(GFV)
Simular but incompatible with SCHArfenberg\Shibata\Shinkansen\WAB couplers
Limited use on NarrowGage stock in BeNeLux+CzechRepublic+SwitzerLand
FullAuto Coupling; FullAuto Decoupling
Maximum Ratings: Draft 225kLb 1000kN, Tonnage ?ShortTon ?MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference

LINK Couplers

RailCarCoupler.LINK 0004RailCarCoupler.Link 0000RailCarCoupler.Link 0001RailCarCoupler.Link 0002RailCarCoupler.Link 0003
Also known as Link+Pin\Cone\Mayo\Trichter\Trumpet\VanDorn couplers
Limited use on Historic+Industrial stock worldwide
1831~1900 Wide use in America+Europe then outlawed due to injuries
1893~1900 Compromise LINK~AAR couplers were MCB\AARD.SlottedKnuckle couplers
Manual Coupling; Manual Decoupling
Maximum Ratings: Draft 69kLb 307kN, Tonnage 3858ShortTon 3500MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference Reference Reference Reference Reference Reference Reference

MH&P Couplers

RailCarCoupler.Mill 0000RailCarCoupler.Mill 0001RailCarCoupler.Mill 0002RailCarCoupler.Mill 0003
Also known as MillerHook&Platform couplers
1863~1866 Design+Patent by Ezra Miller (Brooklyn USNY)
1863~1900 Used on PassengerWagons in NorthAmerica; Replaced by AAR couplers
Had slot to mate with LINK+AARD couplers on Locos & FreightWagons
SemiAuto Coupling; SemiAuto Decoupling
Maximum Ratings: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference Reference Reference Reference Reference

NCDA Couplers

RailCarCoupler.Norw 0000RailCarCoupler.Norw 0001RailCarCoupler.Norw 0002RailCarCoupler.Norw 0003
Also known as NorwegianConversionDoubleArticulat\Chopper\Jones\Yoke couplers
Simular but incompatible with ABC couplers
Wide use on NarrowGage stock in Europe+Africa+Asia+Australia+Britain+India+NewZealand
SemiAuto Coupling; Manual Decoupling
Maximum Ratings: Draft 55kLb 245kN, Tonnage 885ShortTon 803MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference Reference

RUSSian Couplers

RailCarCoupler.Russ 0000RailCarCoupler.Russ 0001RailCarCoupler.Russ 0003RailCarCoupler.Russ 0002
Also known as Willison\AutoKuppler\SovietAuto couplers
SubType RUS1\SA1 developed 1913, patent by John Willison (Derby Britain)
SubType RUS2\SA2 developed 1930 by NationalCastingCo(USIL), sold to RussianRailways
SubType RUS3\SA3 developed 1945 by RussianRailways for heavier longer trains
SubType RUS4\SA4\AK69 developed 1969 by Knorr for Russ~Euro interchange
SubType RUS5\SA5\CAKv developed 2002 by WABCo for Russ~Euro interchange with FullAuto Pneu+Elec
All RUS SubTypes will mate to any other RUS coupler
Wide use on BroadGage lines in Russia+East\NorthEurope+MidEast
Limited use on Industrial+Mining stock in America+Europe
Compromise RUSS~AAR couplers used in Russ~China Interchange
Compromise RUSS~EURO RUS4\SA4\AK69 & RUS5\SA5\CAKv couplers used in Russ~Euro Interchange
SemiAuto Coupling; SemiAuto Decoupling; RUS5\SA5\CAKv has FullAuto Pneu+Elec connections
Maximum Ratings: Draft 661kLb 2940kN, Tonnage 9149ShortTon 8300MetricTon
Typical Service: Draft 430kLb 1912kN, Tonnage 5952ShortTon 5400MetricTon
Reference Reference Reference Reference Reference Reference Reference Reference Reference Reference

SCHArfenberg Couplers

RailCarCoupler.Scha 0000RailCarCoupler.Scha 0001RailCarCoupler.Scha 0002
Also known as Dellner\German\ScharfenbergKupplong(SchaKu)\Voith couplers
1903 Design+Patent by Karl Scharfenberg (Kaliningrad Russia)
Includes SubTypes 10\35\55\140\330\430\5301
Simular but incompatible with GFAG\SHIBata\SHINkansen\WAB couplers
Global use on Modern Passenger Units, Limited use on Foundry Wagons for FullAutoRemoteOperation
Compromise SCHA~EURO & SCHA~AAR couplers are used for Unit~Loco Rescue+Maintenance
FullAuto Coupling; FullAuto Decoupling
Maximum Ratings: Draft 338kLb 1500kN, Tonnage 1102ShortTon 1000MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference Reference Reference Reference Reference

SHIBata Couplers

RailCarCoupler.Shib 0000
1930s Design+Patent by JapanRail\MamoruShibata
Simular but incompatible with GFAG\SCHA\SHIN\WAB couplers
Limited use on Local\Regional PassengerUnits in Japan+Venezuela
Compromise SHIB~AAR couplers used for Unit~Loco Rescue+Maintenance
FullAuto Coupling; FullAuto Decoupling
Maximum Ratings: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference Reference

SHINkansen Couplers

RailCarCoupler.SHIN 0000RailCarCoupler.SHIN 0001
1964 Design+Patent by JapanRail\Shinkansen
Simular but incompatible with GFAG\SCHA\SHIB\WAB couplers
Limited use on Express\HiSpeed PassengerUnits in Japan
Compromise SHIN~AAR couplers used for Unit~Loco Rescue+Maintenance
FullAuto Coupling; FullAuto Decoupling
Maximum Ratings: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference Reference Reference

WAB Couplers

RailCarCoupler.H2Ax~Pic0RailCarCoupler.H2Ax~Pic1RailCarCoupler.H2Ax~Pic2 WABA Couplers
RailCarCoupler.H2Cx~Pic0RailCarCoupler.H2Cx~Pic1RailCarCoupler.H2Cx~Pic2 WABC Couplers
RailCarCoupler.PinC 0000RailCarCoupler.PinC 0001RailCarCoupler.PinC 0002 WABN Couplers
RailCarCoupler.Tomlinson 0000RailCarCoupler.Tomlinson 0001RailCarCoupler.Tomlinson 0002 WABT Couplers
Also known as WestinghouseAirBrake\Budd couplers
Various incompatible SubTypes & Sizes: WABA\WABC\WABN\WABT
Simular but incompatible with GFAG\SCHA\SHIB\SHIN couplers
Limited use on PassengerUnits in NorthAmerica+Australia
Compromise WAB~AAR couplers\cars used for Unit~Loco Rescue+Maintenance
FullAuto Coupling; FullAuto Decoupling
Maximum Ratings: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference Reference Reference

WARD Couplers

RailCarCoupler.Ward 0000RailCarCoupler.Ward 0001
1903 Design+Patent by Frank Ward (USIL)
1905~1935 use on LondonUnderGround+GlasgowSubway+IsleOfWight stock in Britain
Requires problematic SafetyChains that often Drag+Short to 3rdRail
Replaced by WEDG couplers on 1936+Later Transit stock
WARD couplers can still be seen on older Engineering\MaintenanceOfWay stock
SemiAuto Coupling; SemiAuto Decoupling
Maximum Ratings: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference Reference Reference

WEDGelock Couplers

RailCarCoupler.Wedg 0000RailCarCoupler.Wedg 0001RailCarCoupler.Wedg 0002RailCarCoupler.Wedg 0003RailCarCoupler.Wedg 0004
Also known as London couplers
Limited use on 1936+Later LondonUnderground+GlasgowSubway+IsleOfWight stock in Britain
FullAuto Coupling; FullAuto Decoupling
Maximum Ratings: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Typical Service: Draft ?kLb ?kN, Tonnage ?ShortTon ?MetricTon
Reference

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