Caterpillar CW16 Pneumatic Roller

June 20, 2018
Designed for use on granular materials and all types of asphalt-mix designs, the CW16 pneumatic roller is available as a standard nine-wheel model with a 69-inch compaction width or as an optional 11-wheel model with an 84-inch compaction width.

Designed for use on granular materials and all types of asphalt-mix designs, the CW16 pneumatic roller is available as a standard nine-wheel model with a 69-inch compaction width or as an optional 11-wheel model with an 84-inch compaction width.

The unit is designed for work on highways, city streets, county roads, lane additions, industrial sites, overlays, or other mid-size jobs.

Depending on ballast used (including water, sand, steel, or combinations), operating weight of the CW16 varies from an 11,464-pound base configuration to an approximate maximum weight of 33,000 pounds for the nine-wheel configuration and 32,850 pounds for the 11-wheel configuration. Operating weight can be adjusted to suit job requirements. Per-wheel weight can be varied from 1,280 pounds to 3,680 pounds for the nine-wheel model, and from 1,060 pounds to 2,975 pounds for the 11-wheel model.

Oscillating front wheels assist in compacting soft voids across the entire machine width, and Cat says the 11-wheel configuration increases efficiency in chip-and-seal applications. A tire overlap of 1.25 inches is designed to ensure even compaction across the surface. Each wheel is equipped with self-adjusting scrapers, and a water-spray system deters material from adhering to the wheel surface. Standard cocoa mats help retain water to keep wheels wet, and heat-retention aprons are available.

The machine's pressurized water-spray system is designed with dedicated spray nozzles for each wheel. The system includes a single water pump, triple filtration, and adjustable intermittent operation. Triple filtration (with filters at the fill point), in conjunction with the design of the water pump and spray nozzles, provides protection against clogs. The adjustable intermittent-spray mode conserves water and reduces the number of refills required.

Two engines are available for the roller to meet regional emissions requirements. The Cat C3.4B ACERT engine meets Tier 4-F, and the Cat C4.4 meets the equivalent of Tier 3. Both engines are rated at 101.9 horsepower.

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