FIELD: agricultural engineering. SUBSTANCE: tractor attachment has upper pin 1, shaft 2 with lifting levers 3, central tie-rod, axle with lower tie-rods, each connected with its angle brace to related lifting lever 3, and hydraulic drive. Hydraulic cylinders 16 of hydraulic drive are mounted on pin 7. Tractor attachment has tree-link chain. Two links 4 and 5 of three-link chain are made in the form of forks. Link 4 is mounted on pin with its forked part and link 5 with its opposite part, between fork members of link 4. Forked part of link 5 is provided with one eyelet and opposite part of link 4 is provided with two eyelets. Link 6 is formed as longitudinal tie-rod and positioned on pin 7 of hydraulic cylinder 16. Central tie-rod is connected to eyelets of links 4 and 5 by finger. EFFECT: simplified construction and enhanced reliability in operation. 2 cl, 3 dwg
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