This workshop service repair manual covers the Hyster K177 series forklifts, including models H45-50-55-60-65XM. These internal combustion, diesel-powered forklifts are engineered for robust material handling applications in both indoor and outdoor environments. Featuring an automatic transmission and rear-wheel drive, the K177 series is designed for reliability and efficient operation, with weights ranging from approximately 10,000 to 12,000 lbs depending on the specific variant. This comprehensive manual provides essential information for the maintenance, repair, and troubleshooting of your Hyster forklift. It details recommended service intervals, lubrication procedures including specific oil grades and capacities, and other critical technical specifications. By following the guidelines within this manual, owners and technicians can ensure optimal performance, longevity, and safe operation of the K177 series forklifts.