This manual covers the 430, 440, 470, 530, 540, 570, 630, and 640 Series Tractors. These models represent a significant era of tractor development from a long-standing manufacturer of agricultural and construction equipment. The series evolved over several years, offering various engine and transmission options, and this comprehensive workshop service repair manual consolidates essential information for their maintenance and repair. The purpose of this English-language manual is to provide technicians, mechanics, farm owners, and DIY enthusiasts with detailed factory-level technical data. It covers a wide array of systems including the powertrain, chassis and suspension, electrical and fuel systems, and comfort and convenience features. Within its hundreds to thousands of printable pages, you will find in-depth coverage of general maintenance, troubleshooting, engine and transmission repair, brake system repair, steering system repair, electrical system repair, cooling system repair, fuel system repair, and HVAC repair, along with advanced diagnostics and component-level repair guidance. The manual also includes crucial safety guidelines and operational safety information.