This service repair factory manual covers the Hyster G138 forklift, including models N30XMDR3 and N45XMR3. Designed as an electric motor narrow aisle truck for forklift operations, this Class 2 equipment exemplifies robust engineering for reliable performance in demanding environments. Its electric power source and narrow aisle design contribute to efficient material handling. This comprehensive English-language manual provides essential information for maintaining and repairing your Hyster forklift. It details periodic maintenance procedures and covers critical systems such as the battery indicators, brake system, DC motor, electrical system, frame, hydraulic system, industrial battery, instrument cluster, lift cylinders, mast, master drive unit, reach carriages, SEM traction motor controller, and steering system. The manual also references both metric and inch (SAE) fasteners, and includes part number references for ease of service.