JCB Groundhog 6*4 Service Manual 9803/9390-2 PDF Comprehensive service documentation for the JCB Groundhog 6*4 articulated dump truck. This official manual covers maintenance procedures, troubleshooting, component specifications, and repair protocols essential for technicians and operators. Reference manual 9803/9390-2 provides detailed schematics, torque specifications, and step-by-step guidance for all service intervals. Ideal for workshop professionals, fleet managers, and authorized service centers requiring authoritative technical information for optimal equipment performance and longevity.