Bobcat Co. has introduced the 500 frame-size skid-steer and compact track loaders, according to a news release. The new medium-sized machines make up the most-popular size class in the Bobcat loader family and provide increased visibility, a more-comfortable cab and easier serviceability. New machines include the S510, S530, S550, S570 and S590 skid-steer loaders, and the T550 and T590 compact track loaders. More information: www.bobcat.com/500press.