A height of cut adjustment mechanism 105 includes a front height of cut arm 113 and a rear height of cut arm 114, each height of cut arm pivotably mounted to a rotary cutting deck. A height of cut rod 134 extends between the front height of cut arm and the rear height of cut arm. A height of cut adjustment screw 136 is rotatable to extend or retract the height of cut rod. A stabilizer bar links the front height of cut arm with the rear height of cut arm. Preferably a linkage is provided between a pair of height of cut adjustment screws, so that the angle of the height of cut arms may be adjusted from a single point. Also disclosed is a height of cut adjustment mechanism featuring pairs of front and rear arms, where the linkage between the height of cut screws is essential.
