Abstract: Base plate of track chains of track chain type vehicles for the use on less favorable load supporting ground conditions, said base plate being connectable by means of screw bolts or the like with the chain brackets of the track chain; with a counter support for receiving the screw bolts or the like and with an elongated plate-type synthetic body, the lugs of which, arranged on both sides of the counter support, seen in the longitudinal direction of the plate, are chamfered starting from the sole surface of the base plate located in the area of the counter support, in the direction of the chain brackets; whereby the synthetic molded body and the counter support are designed as a one-piece base plate which substantially completely consist of rubber elastic webbed polyurethane; the area of the counter support of the base plate has a rectangular or almost rectangular cross section and is designed massively and the two lugs, in the direction of the chain brackets, are designed bendably; and the base plate has at l