Abstract: A machine for producing web components for wooden floor trusses from dimensioned lumber cuts the web components with a high degree of accuracy and uniformity rapidly on a repetitive basis. Each workpiece, such as a 2 .times. 4, is cut by the machine into two pieces on each cycle of operation and each piece will be provided with two angled converging end faces which define an included angle of 90.degree.. The apparatus includes a base on which coacting rotary cutter heads are mounted through the medium of a carriage which is reciprocated relative to clamped workpieces by a linear actuator which forms a part of a hydro-pneumatic machine cycle control system. All vital apparatus adjustments are provided. Sturdiness and simplicity of construction and operation are featured in the apparatus.