YD-22 hydraulic Tamping Machine for track maintenance work YD-22 hydraulic Tamping Machine is a kind of professional machinery used for railway line ballast tamping maintenance except for turnouts. It can be operated with train interval time, without closing sections. It is equipped with three power modes. They are petrol, diesel and electric. BENIFITS Engine types: Honda GX390 petrol engine or SF 190 diesel engine or electric engine. It is suitable for the tamping operation in the new construction of ordinary railway lines and the large-scale or medium-scale railway line maintenance It can complete the tamping operation of various types of concrete sleepers and wooden sleepers Equipped with automatic rail clamping device Equipped with the f-tac walking frame, the machine can be removed off at any place and any time
