CBR load and Penetration Standards BS 1377, ASTM D1883 CBR testing is an essential part of infrastructure construction, where results on soils, crusher-run and sub-grade materials helps to design and monitoring quality control. Incorporates up/ down push button and emergency stop. Compliance to BS and ASTM requirements, with speed platen travel 1.00mm to 1.27mm/ minutes respectively. Rigid 60kN capacity frame. Loading and retracting protection.