B3.9-SERIES Manuals

This Komatsu Troubleshooting Repair Manual is perfect for anyone looking to keep their B3.9 and B5.9 series engine running in top condition. It covers general structure and function, intake and exhaust systems, cylinder head, lubrication system chart, fuel system chart, cooling system chart, starting and charging system electrical circuit diagram, engine and cooling system, oil filter, electrical system, engine control, electric control system, monitor system, sensors, KOMTRAX system, testing and adjusting, disassembly and assembly, and maintenance standard. Get your manual today and start troubleshooting, repairing, and maintaining your engine with ease. Learn More