With the U 423, U 429 and U 529 models, the Unimog implement carrier is available with modern Mercedes-Benz engines (OM 934/OM 936, 4 and 6-cylinder) in Euro V and Euromot IV versions. In these versions, no diesel particulate filter, camshaft adjustment and HC metering is used. As a result, such things as the maintenance and life cycle costs are reduced. The general model variant of the three vehicle types corresponds to the basic concept of the current implement carrier model series.
Combined with emissions level Tier4f, approval as an agricultural tractor is possible. Providing the highest economic efficiency in these applications. The Unimog fulfils the emissions standards applicable to tractors.