ABSTRACT A manure harvester was constructed which incor-porated the functions of pulverizing, loading, trans-porting and unloading. It was towed by a medium-sized tractor and powered hydraulically. In tests on wood paste and beef feedlot manure, power requirements were less than 10 kW to load material 5 cm deep at forward speeds of 1 to 2 km/hr. Approximately 40 mVhr were loaded. Harvesting and handling beef manure from a feed-lot surface to the user or processor is an important feature of any utilization scheme. Current harvesting and handling methods usually involve collection and loading into a truck spreader using a tractor front loader. A mechanical manure harvester was constructed at Colorado State University. It incorporated the func-tions of pulverizing, loading, transporting and unload-ing. The machine was designed for use on concrete and on graded, packed soil surface lots. Increased operating efficiency and capability for working with a variety of manure conditions will become increasingly important as management prac-tices require more frequent harvesting. Stone et al. (1975) showed that the chemical and physical proper-ties of manure changed significantly during the first 3 wk of aging. This suggests that manure may be more valuable and easier to process if it is har-vested more frequently. The manure harvester de-scribed in this paper is efficient and capable of han-dling different volumes of material under a variety of conditions.