This document provides an overview and instructions for servicing Toyota forklifts models 50-4FD100~135, 50-4FDK150,160. It includes vehicle exterior views, frame numbers, how to use the manual, operating tips such as jacking and hoisting, member weights, periodic maintenance schedule, and replacement part lists. Safety precautions are emphasized throughout including supporting vehicles securely when jacking and using proper lifting points and ropes for hoisting.