Caterpillar CW34 Pneumatic Roller

The CW34 eight-wheel pneumatic roller has an operating range of 9 to 29 tons. The modular steel ballast system can be added or removed in order to adjust operating weights and match job site requirements. Eight 13/80 R20 rubber tires provide an overall compaction width of 82 inches with 1.5 inches overlap. Each wheel is equipped with self-adjusting scrapers. The water system includes a dedicated spray nozzle for each wheel, a single water pump, triple filtration, and adjustable intermittent operation.

The power train has continuously variable engine speed adjustment, automatic speed control, and a maximum speed of 12 mph. They can operate at temperatures up to 120F.