Ammann Pneumatic Wheel Pneumatic Cylinders excel in a variety of applications and different materials. The kneading action of the rollers compacts even the most stubborn materials and joint surfaces. Easy ballasting allows machines to be brought to the ideal weight for specific job sites, while tire pressures can be adjusted in the comfort of the cab. Operators of all experience levels work productively thanks to the easy-to-use, intuitive controls of the rollers. Excellent visibility helps operators avoid obstacles when compacting at surface edges to provide uniform payload.