All Technical Supply Contact Miscellaneous FAQs : All What types of product does David Brown Hydraulics manufacture? Are spools interchangeable in their housings? Can a clockwise rotation pump be easily changed to a counter clockwise rotation and vice versa? Where can I get Hydreco products? Where can I get Hamworthy Hydraulics products? Where can I get Magna Pow'r Pump products? Where can I get Powauto products? Where can I get product or spare parts quickly? Where can I contact my nearest distributor? Does David Brown still make tractors?