Nov 30, · Crane Mats - The Manufacturer of Emtek Mats. Crane Mat is a generic term used to describe a heavy equipment mat made up of large timbers. The timbers within a crane mat have a mmon thickness, are green in moisture ntent, and are generally not graded for quality or strength. Typical sizes are 8” to 12” thick, 4’ wide, and 16’ to 40