David Brown 4600 Selectamatic Price, Reviews, Specs, Engine Oil Capacity, Weight, Serial Numbers, Attachments, Features & Pictures David Brown 4600 Selectamatic Utility tractor is equipped with a David Brown gasoline 3-cylinder liquid-cooled engine, which delivers 38.34 hp (28.6 kW) power at rated rpm 2200. David Brown 4600 Selectamatic Utility tractor featured with a … [Read more...] about David Brown 4600 Selectamatic Price, Specs, Review