The Hyster A455, offered in W20XTR and W30XTR variants, represents a robust Class 3 Electric Motor Hand Truck designed for demanding material handling applications. Engineered for reliability and efficiency, these forklifts utilize a DC electric motor and a Curtis transistor motor controller, providing dependable performance in industrial environments. The W20XTR model offers an approximate lifting capacity of 2000 lbs, while the W30XTR can handle up to 3000 lbs, making them versatile tools for various warehousing and logistics operations. This comprehensive Service Repair Factory Manual provides essential information for maintaining and repairing your Hyster A455 forklift. It covers critical areas including DC motor maintenance, electrical system diagnostics, industrial battery system management, and the operation of lift cylinders, mast systems, and reach carriages. Detailed sections on periodic maintenance schedules, lubrication points, and troubleshooting procedures are included, alongside technical specifications and diagrams. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their equipment.