Finger 151.40.278 (popularly known as a “doll”) is used in the steering unit of the HTZ tractor, in particular in rotary hydraulic cylinders 151.40.040-3, 151.40.040-3A, 151.40.040-3B and their analogues, provided that the bore diameter matches. The pin is a support pin and transmits force from the hydraulic cylinder rod to the steering rods, ensuring smooth and reliable turning of the wheels.
The pin assembly is equipped with bushing 700A.34.00.013, washer 151.40.296 and special nut 151.72.226. For correct installation, an oiler 1.3.19853 and a cotter pin 6.3×50 GOST 397-66 are also used. This combination of parts ensures reliable fixation, durability of the connection and the possibility of periodic lubrication.
Pin 151.40.278 is used on HTZ tractors of various models - T-150, T-151, T-156, HTZ-17221, HTZ-242, HTZ-248 and other machines with a similar steering system.
