... Roller Internationally advanced technology. with Cummins engine. High work force Hydraulic Single Drum Vibratory Road Roller LT220B , LT218B , LT216B , ... , such as sandy soil, gravel, crushed stones, rock fillings and slightly cohesive soils, designed for large foundation ... . 5.World advanced technology is adopted for the hydraulic vibration technology, high in reliability, simple and convenient ...