This Curbstone cutting machine line dramatically increases the productivity and reduce labor cost and power consumption and it consumes less diamond segment. No foundation needed, easy installation, easy for shipping. It adopts enlarged trolley, 2 pcs of the block can be cut at one time, which can greatly improve output and efficiency. It uses the main spindle and a vice spindle to seal together which can ensure the machine stable while cutting hard granite. It uses a simple program of movement on the controlling box, easy for setting and handling.