The New Holland CNH UK 667TA Series encompasses a range of diesel engines designed for heavy-duty applications. These engines, including variants such as the 667TAEEG, 667TAEEC, 667TAEBF, 667TAEED, and 667TAEBD, are engineered for reliability and performance in demanding environments. They are integral to various equipment types, including excavators, wheel loaders, and dozers, specifically powering models like the New Holland Kobelco E265, E305, D180 LGP, D180 STD, W170, and W190. The robust construction and diesel power delivery ensure consistent operation for construction and agricultural machinery. This Service Repair Manual provides comprehensive guidance for the maintenance and repair of the New Holland CNH UK 667TA Series engines. It covers essential procedures such as diagnostics, engine overhaul, recharging and startup, electrical system repair, and includes wiring diagrams. The manual is designed to assist owners, mechanics, and technicians by offering step-by-step instructions, detailed illustrations, important notes, cautions, warnings, and troubleshooting guides to ensure optimal performance and longevity of the equipment.