This document pertains to Volvo TAD1343GE, TAD1344GE, and TAD1345GE diesel engines. These 13-liter engines feature a liquid-cooled system, common rail fuel injection, and turbocharging, delivering power outputs ranging from approximately 300 to 450 horsepower and torque between 1200 to 1900 Nm. Their robust design and engineering are intended for demanding applications where reliability and performance are paramount. This Factory Service Repair Manual, provided in English and digital format, serves as a comprehensive guide for maintaining and repairing these Volvo engines. It covers essential areas including technical specifications, maintenance procedures for components such as fuel, oil, and air filters, and general engine operation. The manual is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of the engine through detailed information and guidance.