A liquid solid separator device comprising: - a container circumscribing an enclosed space closed at its bottom portion and open at its top portion; - an inlet for providing a source of material having a solid liquid mixture to be separated; - a first motor mounted to the top portion of the container for driving a recirculating belt (24, 50); - a first motor driven recirculating belt (24, 50) associated with the container such that the belt (24, 50) is disposed at an angle with respect to the container forming an upper and lower belt having sprocket mounted rollers (19, 31) supported by the container; - a second motor attached to a side of the container or using a standalone structure for driving an auger driven disposal system attached to the container, wherein the auger driven disposal system has a collection device attached to inside of the container for receiving materials deposited by the upper belt just above the collection device and the auger, forming a first portion of the auger driven disposal system such that there is a first overflow slot in a side of the collection device; - a lower collection basin formed from inner surfaces of a lower portion of the container, - a filtered water collection basin attached internally to the container and underneath the lower belt, and - a liquid outlet for allowing liquids to flow out therefrom, - wherein the lower collection basin tank receives liquids and other matters from a dewatering drain, overflow from a collection device in the form of a trough and its associated first overflow slots and excess materials from the lower belt, - wherein the auger driven disposal system associated with the container further comprises: a dewatering vessel attached to the container having a rotatable cage moveably associated with the dewatering vessel, and - wherein the dewatering drain is connected to the dewatering vessel. - a container circumscribing an enclosed space closed at its bottom portion and open at its top portion; - an inlet for providing a source of material having a solid liquid mixture to be separated; - a first motor mounted to the top portion of the container for driving a recirculating belt (24, 50); - a first motor driven recirculating belt (24, 50) associated with the container such that the belt (24, 50) is disposed at an angle with respect to the container forming an upper and lower belt having sprocket mounted rollers (19, 31) supported by the container; - a second motor attached to a side of the container or using a standalone structure for driving an auger driven disposal system attached to the container, wherein the auger driven disposal system has a collection device attached to inside of the container for receiving materials deposited by the upper belt just above the collection device and the auger, forming a first portion of the auger driven disposal system such that there is a first overflow slot in a side of the collection device; - a lower collection basin formed from inner surfaces of a lower portion of the container, - a filtered water collection basin attached internally to the container and underneath the lower belt, and - a liquid outlet for allowing liquids to flow out therefrom, - wherein the lower collection basin tank receives liquids and other matters from a dewatering drain, overflow from a collection device in the form of a trough and its associated first overflow slots and excess materials from the lower belt, - wherein the auger driven disposal system associated with the container further comprises: a dewatering vessel attached to the container having a rotatable cage moveably associated with the dewatering vessel, and - wherein the dewatering drain is connected to the dewatering vessel.