73ZWY2 shock absorbing device (class T3) meets the requirements of: GOST 3471-81, AAR-901 and UIC 524. It is designed for cars equipped with automatic couplers. It can also be installed in any cars with enough space for shock absorbing units compliant with the  standards. 73ZWY2 shock absorbing device of the T3 class is a module interchangeable with the previously used friction or hydraulic absorbing equipment, and is fitted with a high-performance elastomer shock absorber as well as an additional elastic element made of solid elastomer, working in conjunction with the equipment. The main advantages of the device include high durability and reliability while operating within a wide range of temperatures from -60ºC to +50ºC.