Latest material handler features advances to slewing, hydraulics and cab
With an operating weight up to 147,710 pounds (67 t) and a maximum reach of 69 feet (21 m), the MHL 380D is among the most powerful and productive machines in the Terex Fuchs material handler product range. Advancements have been made to the slewing function, hydraulic system and operator cab environment on the MHL 380D. Units feature a dual-circuit hydraulic system with an independent closed-loop circuit dedicated to the slewing function of the upper carriage, resulting in more efficient work cycles and productive machine operations. A second slew drive has also been added, significantly increasing swing torque for faster cycle times, and the machine’s standard double-row slew ring design enhances machine durability and component life. Inside the MHL 380D’s new cab, environment, ergonomic dual joystick controls are configured specifically for material handling operations, with operator comfort and fl exibility in mind. To maximize operating efficiency, buttons are conveniently grouped on the left-hand and right-hand joysticks, including: horn, turn signals, magnet operation and slewing brake functions on the left; and grapple slewing and pressure boost functions, as well as room for expanded optional functions on the right. Other cab enhancements include an updated control panel with a push-button keypad for quick access to operating functions. The cab hydraulically adjusts to a 20-foot (6.2 m) maximum eye level, while large windows offer a panoramic view of the operating area. These purpose-built material handlers also provide independent horizontal extension capability of the cab up to seven feet (2.2 m) as a standard feature, which enhances visibility when working below grade to load and unload barges. Plus, the upper carriage features a new reinforced, heavy-duty cab elevation frame for enhanced operating stability and operator comfort. The MHL 380D offers a standard maximum reach of 69 feet (21 m) or optional 60.7-feet (18.5 m) reach equipment. The unit’s optional offset boom equipment, which also has a maximum reach of 69 feet, delivers more below-grade reach than the standard straight boom, critical for users working in applications such as loading and unloading barges. Multiple boom, stick and grab attachment options allow customers to configure the MHL 380D to meet specific application needs, and inverted mounting of the hydraulic boom cylinders enhances protection of the rod from falling debris and moisture infiltration. Additionally, the end-of-stroke cushioning of boom and stick cylinders offers reduced machine wear, even with quick end-to-end motions of the working equipment. The MHL 380D also includes an innovative cooler arrangement, including separate hydraulic oil and engine cooling systems, which maximizes efficiencies of both systems. These units are powered by a turbocharged and water-cooled 36-hp (273 kW) diesel engine with direct common-rail fuel injection which meets both Tier III and Com III emissions standards An integrated central lubrication system automatically greases multiple points on the upper carriage and the slewing joint to improve machine reliability and reduce maintenance time, and a convenient stow-away ladder offers quick and easy access to the engine, central lubrication system, and service deck.