This comprehensive **TEREX MT4400 & MT4400AC Workshop Service Repair Manual** provides detailed instructions and illustrations for servicing and repairing your hauler. It covers both the 65.0L 16-cylinder V16 turbocharged air-cooled DDC Series 4000 diesel engine and the 60.2L 16-cylinder V16 turbocharged after-cooled QSK60 series diesel engine. The manual starts with an introduction and a section on safety precautions, followed by detailed breakdowns of various components and systems. These include the main frame and structure, loader and railing, hood assembly, steering column, cab and heater, wiper and washer, fuel tank and dump body, electrical system, engine module, air cleaner system, exhaust system, muffler system, cooling system, radiator system, alternator and motor, hydraulic system, hydraulic filters, hydraulic pump and tank, dump system, steering system, superstructure system, power supply system, brake systems, parking brake system, shuttle valves, pneumatic system, front and rear axle, tires and rims, steering linkage, suspension system, Rockwell system, lubricating system, rotary pump system, engine oil system, hubodometer system, injectors system, maintenance, welding process, component weights, tightening torque, electric drive system, and schematic diagrams. With its step-by-step instructions and clear illustrations, this manual is an invaluable resource for both DIY enthusiasts and experienced mechanics. It offers a cost-effective way to maintain and repair your TEREX MT4400 or MT4400AC hauler, ensuring its continued performance and reliability.

The TEREX MT4400 and MT4400AC are powerful and versatile off-highway haul trucks designed for demanding mining and construction applications. These machines are renowned for their exceptional hauling capacity, rugged construction, and reliable performance. The MT4400 is powered by a 16-cylinder Cummins QSK60 engine, delivering a maximum output of 2,000 horsepower. Meanwhile, the MT4400AC is equipped with a 16-cylinder Cummins QSK60 ACERT engine, also producing 2,000 horsepower. Both models boast a robust Allison 7400 Series transmission, ensuring smooth and efficient power transfer. With a payload capacity of 240 tons (218 metric tons), the MT4400 and MT4400AC are capable of transporting massive loads with ease. The trucks feature a spacious and operator-friendly cab, designed to enhance comfort and visibility during long operating hours. Furthermore, the MT4400 and MT4400AC are built with exceptional durability, incorporating heavy-duty components and advanced engineering solutions. The robust frame and suspension system provide exceptional structural integrity and stability, allowing these trucks to withstand even the most challenging operating conditions. The integrated braking system ensures reliable and safe operation, while the advanced emissions control systems comply with stringent environmental regulations. The MT4400 and MT4400AC are equipped with a comprehensive range of safety features, including a robust ROPS (Rollover Protective Structure) and FOPS (Falling Object Protective Structure), ensuring the safety of the operator. The trucks are also designed for easy maintenance and repair, minimizing downtime and optimizing productivity. The TEREX MT4400 and MT4400AC are highly regarded in the industry for their exceptional performance, reliability, and safety features, making them an ideal choice for demanding mining and construction operations.