A tattoo machine for oscillating a tattoo needle (12) includes a main housing (16) and a motor (18) secured to the main housing. A needle bar member (20) is movably secured to the main housing (16) for linear oscillation relative thereto. A drive mechanism (30, 32) is operatively connected to an output shaft (26) of the motor (18) and to the needle bar member (20) for translating rotary movement of the output shaft (26) into linear oscillation of the needle bar member (20).