The BW213DH-4 BVC single-drum vibratory roller features Bomag's Variocontrol Intelligent Compaction system. Utilizing a directed exciter mechanism, the roller automatically adjusts the output energy of the drum to optimize compaction of the material, the company says. The unit also comes with Terrameter, Anti-Slip Control system, and a gas strut/hydraulically assisted engine hood. The roller delivers up to 82,125 pounds of centrifugal force. With a vibration frequency of 1,680 vpm, it reaches travel speeds up to 8.1 mph.