Caterpillar introduces the CB54, CB54 XW and CB64 tandem vibratory rollers with new frame geometry. The 23,818-pound CB54, with 67-inch-wide drums and CB54 XW with 79-inch-wide drums competes in the 8-to-11.3-metric-ton class of asphalt compactors. The 30,291-pound CB64 has 84-inch-wide drums. The new frame design provides a clear view to the drum surfaces and spray bars, allowing the operator to easily monitor water spray performance. The 137-horsepower Cat C4.4 diesel complies with U.S. EPA Tier-3 emissions requirements.