This manual pertains to the Iveco FI Series vehicles, specifically covering engine variants S23 ENT C and S30 ENT C. While specific production years are not detailed, the FI Series is recognized for its robust engineering and reliability, designed for demanding commercial applications. This series embodies Iveco's commitment to delivering durable and efficient vehicles, suitable for a wide range of professional uses where performance and longevity are paramount. The purpose of this comprehensive manual is to provide essential information for the maintenance, servicing, and repair of your Iveco FI Series vehicle. It includes detailed procedures for all repairs, troubleshooting guides, and technical specifications, supported by hundreds of pages of detailed photos and diagrams. This resource is invaluable for owners, mechanics, and technicians, ensuring the vehicle remains in optimal condition and operates efficiently throughout its service life.