This shop manual covers the proper disassembly, inspection, rework, assembly, and installation of the 2674399 turbocharger found on the Perkins T4.40 engines Written by an industry professional, this book contains full-color photos, diagrams, torque specs, and best practices. Repairing your vehicle's turbocharger is easy and cost effective-if you know how This shop manual covers Garrett Honeywell TA3123 466674-0001, 466674-9001, 466674-5001, 466674-1 Turbochargers