To provide a ram horizontal type machining center capable of increasing a degree of freedom of a traveling column and improving the maintenance property of a jig.

In this ram horizontal type machining center in which a support base plate 13 is supported by a support column 10 erected from a bed 1 just above the traveling column 3 and an automatic tool changer 20 is mounted on the support base plate 13 and is brought close to a top part 3A of the traveling column, an installation position of the automatic tool changer 20 is on the support base plate 13 brought to one side of the traveling column 3, and a lifting motor YM arranged on an anti-automatic tool changer side is directly connected to feed screw.