A walk-behind mower includes a frame and a power source attached to the frame. A selectively steerable drive wheel and a set of follower wheels are rotatably attached to the frame. The walk-behind mower includes a steering wheel assembly attached to the frame, the assembly including a steering column and a steering wheel attached to the steering column. The walk-behind mower also includes a universal joint connecting the steering wheel assembly to the frame. The walk-behind mower further includes a mower deck attached to the frame and a mower blade assembly attached to the deck. In other examples, the walk-behind mower includes a front section and a rear section that rotate relative to each other about a vertical axis.