This workshop service repair manual covers Hyster forklifts, specifically models E117, H1050HD-CH, and H1150HD-CH. These industrial material handling machines are designed for demanding environments and feature robust construction, including a heavy-duty frame and rear-wheel drive. They are powered by internal combustion diesel engines and offer lifting capacities up to 11500 lbs, depending on the specific model. Notable operational features include ergonomic controls, an operator presence system, and an overhead guard, with options for a full cabin with climate control. The engineering quality and reliability of these forklifts ensure efficient and safe operation in industrial settings. This manual provides comprehensive guidance for maintaining and repairing your Hyster forklift. It details essential procedures, technical specifications, and safety information necessary for optimal performance. Covered topics include engine and transmission specifics, recommended fluid types for engine oil and hydraulic systems, and information on mast types and tire configurations. Whether you are an owner, mechanic, or technician, this resource is designed to assist you in understanding the complex systems of your forklift, enabling effective troubleshooting, routine maintenance, and in-depth repairs to ensure longevity and operational readiness.