Nexen BD caliper brakes are available in air-actuated, spring-actuated/air-released and spring-actuated/hydraulically released versions. The torque ranges from 8,000 to 23,000 in.-lb., with disc diameters from 12 to 24 in. The maximum disc speed is 3,200 rpm.

Nexen Group, Inc.; 800-843-7445; www.nexengroup.com