Ingersoll-Rand Company’s road machinery division has upgraded its DD-130 double drum vibratory compactor with a completely redesigned drum- wetting system. The high-performance, 11.7-metric-ton (13 ton), DD-130 asphalt compactor is ideal for use in highway, airport and other large pavement compacting applications.

The DD-130 now features a drum-wetting system that boasts two 567-liter (150 gal.) capacity, linear, low-density polyethylene water tanks that are protected by steel tank supports. The DD-130 provides two complete water spray systems for each drum that are protected by triple water filtration.

The primary wetting system includes separate water pumps and spray bars with hand-serviceable nozzles on the front and rear drums, incorporating variable water flow control for optimized time between tank refills. The secondary system includes separate water pumps and spray distribution lines with hand serviceable nozzles on the front and rear drums.

The DD-130 features 213-centimeter (84 in.) drums that are 140 centimeters (55 in.) in diameter, improving overall productivity and efficiency. It has an operating weight of more than 12,882 kilograms (28,400 lbs.) and measures 5.77 meters (18 ft., 11 in.) in length.

The DD-130 features eight different amplitude settings that produce centrifugal force between 71 kN (15,975 lbs.) and 160 kN (36,030 lbs.) per drum. Eccentric rotation matches direction of machine travel to produce superior pavement surface smoothness. Vibration automatically engages and disengages, adjusting to rolling speed.

The unit is powered by a Cummins 6BT 130-kilowatt (174 hp) at 2,200 rpm engine. Propulsion is through low-speed, high-torque direct drum drive motors on the front and rear drums.

The low-profile DD-130 is designed with an ergonomically designed, vibration isolated operator station with a five-position locking, 180-degree console rotation adjustment. The unit also features a size and weight adjustable operator seat, a skid-resistant deck and robust safety rails.

The unit also features automatic vibration control with manual thumb-button vibration control. An impact meter that measures drum vibration impacts per meter (ft.) of longitudinal travel distance allows the operator to adjust rolling speed and drum impact spacing to meet critical compaction requirements.

Serviceability of the DD-130 engine and hydraulic components is line of sight through spring-assisted engine cover and side-access doors. The rugged steel hood and covers are held in a fully raised position by gas springs for unobstructed access.

For more information, visit www/ingersoll-rand.com.

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