
A brief introduction to the couplers used by Marx for 0 gauge trains, noting that there are variations, particularly of the tab and slot coupler and lengths of couplers to suit alternative 4 and 8 wheeled vehicles, as well as locomotives. See also Trucks for examples of couplers attached to trucks, particularly EMD E-7 trucks.
 
Marx sliding Joy Line coupler, as fitted to an early Marx tender  | 
 
Marx rivetted Joy Line coupler, as fitted to an early Marx gondola  | 

 
Marx reproduction Tab and Slot couplers, twist fitting or sliding, for mechanical (clockwork) sets  | 
 
Marx reproduction Tab and Slot couplers, rivet fitting  | 
 
Marx Tab and Slot coupler, sliding fitting, for mechanical (clockwork) sets  | 
 
Marx Tab and Slot coupler, rivet fitting, for electric sets  | 
 
Marx Tab (no Slot) couplers, as fitted to the rear of large diesel ABA units  | 

 
Marx One Way (automatic) couplers, as fitted to a pre war Marx hopper  | 
 
Marx One Way (automatic) couplers, as fitted to a pre war Marx hopper  | 
 
Marx One Way (automatic) couplers, as fitted to a pre war Marx hopper  | 

 
Marx metal Scissor or Tilt coupler, as fitted to a 4 wheeled truck  | 

 
Marx reproduction plastic Scissor or Tilt couplers, with springs. Note the slot, to accommodate connection to a tab and slot coupler  | 

 
Marx reproduction plastic Knuckle couplers. Note the internal shape of the knuckle, designed to accommodate connection to a tab and slot coupler  | 

 
Marx Talgo or Pin coupler, as used on articulated units (Mercury, M10000, M10000)  | 
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