‌  Russian Train Couplers CA-3 & SA-3 of Railway Coupler for freight wagon 

 Automatic Coupler of Railcar of Russian 

• ‌Automatic Coupling Mechanism‌: Uses a fixed hook tongue and relay hook tip structure, automatically correcting alignment during coupling. Uncoupling requires only an operation release lever without manual intervention.
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• ‌Extreme Environment Adaptability‌: Operates stably in temperatures ranging from -50°C to +50°C, with a pulling capacity of 8,000 tons, ideal for regions like Siberia.
• ‌Compatibility‌: Compatible with 1520mm broad gauge systems, widely used in Russian, Central Asian, and Chinese border yard locomotives.
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• ‌Innovative Features‌:

  • ‌Modular Shock Absorption System‌: Equipped with hydraulic dampers that absorb over 30% of longitudinal impacts, reducing stress between carriages.
  • ‌Anti-Disengagement Dual Lock‌: Features mechanical locking on the hook tongue and Type F upper/lower stoppers, preventing disengagement under extreme vibrations.
  • ‌Material Upgrade‌: Forged with EA4T low-alloy steel, 15% lighter than traditional carbon steel with 40% longer fatigue life.
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‌SA-3 Automatic Coupler
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‌Design Positioning‌: An upgraded version of CA-3, optimized for shock absorption and lightweight, suitable for high-speed trains and intercity EMUs.

‌Application Comparison‌