This Service Workshop Repair Manual provides comprehensive information for the Scania ED90, ED120, ED140, and ED160 series internal combustion diesel engines. Designed for application in Scania trucks and buses, these engines are available in 9, 11, and 12-liter displacements. This manual is part of a collection of 18 service manuals, offering detailed guidance for maintaining and repairing these robust power units.

The purpose of this manual is to serve as an authoritative resource for owners, mechanics, and technicians. It covers essential maintenance procedures, troubleshooting diagnostics, technical specifications, and safety guidelines pertinent to the specified Scania engine models. The content, presented in Spanish, aims to ensure the continued optimal performance and longevity of your vehicle's engine.