The ARR 1575-2 Ammann trench roller compacts at 6 or 12 mm of amplitude with 7,643 or 16,186 lb.-ft. of centrifugal force at a frequency of 40 Hz. The two-stage vibratory mechanism has adjustable eccentric weights.
The unit is about 1.5 inches less wide than the predecessor model, measuring 23.6 inches. Drum extension kits allow compaction widths up to 33.9 inches. A central steering joint has two hydraulic cylinders that distribute force equally across the machine.
The vibratory system uses dual eccentric shafts on each drum, which improves performance on thinner layers, reduces friction, and increases durability by decreasing drum shell wear, according to the company.
The oscillation mechanism works with the articulation joint to maximize stability on uneven terrain. Front and rear frames move independently, which ensures consistent ground contact and improves compaction, stability, and traction, according to the company.
The remote control is equipped with an exchangeable battery that can either be charged on board or externally. For on-board charging, the operator can connect the remote control to the machine via a cable and charge the battery directly, even when the machine is working. The battery can also be removed from the remote and charged externally. A charge lasts for at least 16 hours of intense machine operation.
