DYNAPAC CC424 HF STATIC SMOOTH DRUM ROLLER

Technical Description

The Dynapac CC424 HF is a heavy-duty static smooth drum roller designed for efficient compaction in asphalt and soil applications. It features a tandem double drum configuration with a drum width of 68.2 inches (approx. 6.4 ft) and a drum diameter of 51.2 inches, providing a significant static linear load of 165.9 lb/in for effective soil and asphalt compaction. The roller operates with a vibration frequency range of 51 Hz (low) to 67 Hz (high), delivering vibration amplitudes of 0.3 mm (low) to 0.8 mm (high), which enhances compaction efficiency based on material and conditions. Powered by a Cummins QSB 4.5 T3 turbocharged diesel engine, it produces 110 to 125 horsepower at 2200 rpm, ensuring reliable performance with a fuel capacity of 63.5 gallons. The machine has an operating weight of approximately 23,149 lbs and achieves a maximum speed of 7.5 mph, suitable for site mobility and work efficiency. Its compact turning radius of 1.6 ft and overall dimensions—length of 16.37 ft, width of about 6.17 ft, and height to top of cab at 9.81 ft—offer excellent maneuverability on confined job sites. Additional features include automatic vibration and water control systems (AVC and AWC) for optimized operation, a robust hydrostatic transmission, ROPS for operator safety, and a large water tank to prevent drum material sticking. The CC424 HF is designed for demanding compaction tasks with a theoretical gradeability of 45%, making it well-suited for road construction and industrial compaction projects.