This service repair manual provides comprehensive information for the Hyster A227 (HR45-31) Diesel Counter Balanced Truck. Engineered for demanding industrial applications, this forklift model exemplifies Hyster's commitment to robust construction and operational efficiency. Its design prioritizes reliability and performance, making it a dependable asset for material handling operations. The manual covers all models, engines, trims, and transmissions, ensuring complete documentation for this versatile piece of equipment. This English-language manual is designed to assist owners, mechanics, and technicians in maintaining and repairing the Hyster A227. It details essential maintenance procedures for critical systems including the brake, cooling, hydraulic, electrical, and steering systems, as well as the differential and planetary gear axle. With easy-to-read text, high-quality diagrams, step-by-step instructions, and detailed exploded views, this manual facilitates complete disassembly and reassembly, covering both metric and inch fasteners.