This document pertains to the Terex TL Series, encompassing models TL120, TL160, TL210, TL260, and TL310. These machines are engineered for demanding applications, featuring robust construction and reliable diesel power. While specific production years are not detailed, the TL Series represents Terex's commitment to quality and performance in its intended operational environments. The engineering quality and inherent reliability of these units are designed to ensure efficient operation and longevity in various industrial and construction settings. This Workshop Service Manual provides comprehensive technical information for the Terex TL Series. It is written in English and intended for mechanical technicians familiar with BRP products and general automobile practices. The manual covers essential areas including routine service, maintenance procedures, lubrication schedules, engine systems such as fuel, lubrication, and ignition, as well as transmission removal and installation. It also details electrical system overviews, body repair procedures, and offers diagnostic and repair procedures for troubleshooting. Special emphasis is placed on proprietary components and instructions, with the inclusion of warnings, cautions, and notes identified by specific symbols. Recommended special tools, often identified by Terex TL series part numbers, are also referenced.