CMI Roadbuilding manufactures specialist asphalt and concrete-related construction equipment, primarily focused around road construction. Their range of equipment includes asphalt plants, concrete batching plants, asphalt milling machines, concrete slipform pavers and padfoot soil compactors. The most powerful cold planer on the CMI range is the 950HP RM-9 Rotomill, which has a max milling depth of 15inches/381mm.