This manual covers the Hyster A454 series of walkie forklifts, including models W20XTC, W25XTC, W30XTC, and W40XTC. These industrial battery-powered forklifts are engineered for efficient material handling, featuring a Curtis transistor motor controller, a walkie high lift hydraulic system, and various mast types such as Two Stage Limited Free-Lift, Two Stage Full Free-Lift, and Three Stage Full Free-Lift. The robust design emphasizes reliability and performance for demanding operational environments. This comprehensive Service Repair and Parts Manual provides detailed information for maintaining, assembling, disassembling, and servicing your Hyster forklift. It includes extensive coverage of periodic maintenance, repair procedures for critical components like the frame, DC motor, master drive unit, steering mechanism, brakes, lift cylinders, and mast. With actual photo illustrations, diagrams, and schemes, this English-language manual is an essential resource for owners, mechanics, and technicians to ensure optimal performance and longevity of the equipment.