As we all know, when buy a road roller , we pay special attention to its operating weight, exciting force, vibration frequency, gradeability, engine type and power. some say the larger exciting force the better, is it true ? what is the maximum? When building highways, what kind of road roller is an ideal choice? crab walk necessary ?
According to my knowledge large and heavy road rollers mean good grinding efficiency. As building of highways involve complicated process so messy road roller would be the best choice.