Profile: Spector Manufacturing, Inc. deals with demolition, hauling, construction and waste management. We manufacture dump trucks, moving floor and ejector trailers. We offer a variety of new and used steel & aluminum walking floor, rear ejector & dump trailers that can be custom tailored. Our conventional dump features bulkhead with an externally mounted cylinder which prevents debris from lodging and causing an unstable load. We also supply a variety of suspensions-air & spring, tarps-manual or electric, liftable and steerable axles, rims & tires.