Marshall Compression Machine model H-1339

For measuring resistance to plastic flow of bituminous paving mixture specimens. Has screw jack mounted in a testing frame, motor with reversing switch that produces uniform vertical 2" (51mm) movement per minute. Includes calibrated load ring and dial indicator for determining test load. Load capacity is 10,000 lbs. (4500kg); maximum piston travel is 3-1/2" (88mm). Cross head adjusts for various specimen sizes. Overall dimension: 18x18x8-1/2" H (457x457x978mm).