Cat 986H Engineered for Durable Performance, Safety, Ease of Operation and Maintenance s2

Press Release

For Release in Africa, Middle East and CIS: May 2014 Release Number: 172PR14

Product& Service Announcements

Cat® 374F and 390F Deliver Greater Fuel Efficiency, Serviceability and Operator Comfort

The new Cat® 374F and 390F hydraulic excavators build on the durability, reliability, and performance of the D-Series, and reflect Cat F-Series design criteria, which include low fluid consumption for minimal operating costs, optimum operator comfort, easy serviceability, and class-leading productivity.

Engine/hydraulics With respective net power ratings of 352 kW and 391 kW, the Cat C15 ACERT™ engine on the 374F and C18 ACERT on the 390F meet E.U. Stage II/U.S. EPA Tier 2 emissions regulations. Compared with Stage IIIA engines, the 374F and 390F are more fuel efficient than their D predecessors, thanks to a 5% fuel consumption decrease on the 374F, and 390F improved productivity performances. Fuel-saving features include two power modes—standard or economy—to allow the operator to select an engine operating speed to match the application. In addition, an on-demand-power system adjusts engine speed to match the operating load, and an engine-idle-shutdown system stops the engine after it idles a pre-set interval. These systems not only save fuel and reduce emissions, but also significantly extend service intervals. The 374F and 390F hydraulic systems are designed with major components in close proximity, an arrangement that allows shorter connecting tubes and hoses to reduce frictional losses and pressure reductions, resulting in reduced loading on the system for added fuel savings. New for the F Series models is the Cat Adaptive Control System (ACS) valve, which electronically manages flows and restrictions to exactly match hydraulic response to joystick movement. This fuel-saving feature smoothes hydraulic functions and adds to overall hydraulic efficiency. The new models can be equipped with auxiliary hydraulic circuits, allowing the use of powered work tools that can be easily attached with a hydraulically activated coupler. For further fuel savings, electrically controlled regeneration systems in the boom and stick circuits move oil between the cylinder ends to reduce the load on the main hydraulic pumps.

Structural strength Both models are available with a range of booms and sticks fabricated with premium-steel plate and using high-strength castings and forgings in high-stress areas. All are stress-relieved for durability and inspected ultrasonically for quality. Heavy-duty reach and general purpose booms are designed for general excavating and loading, and a mass-excavation boom delivers high production in large-scale earthmoving and heavy material applications. A choice of sticks is available to match booms for meeting required digging depths, reaches and breakout forces. Structural durability is ensured by the proven heavy-duty construction of the mainframes and undercarriage. The upper frame incorporates special mountings to support the heavy-duty cab; the lower frame is heavily reinforced for long-term durability. A long-track, variable-gauge undercarriage—featuring massive track roller frames and high-tensile-strength-steel components—provides a wide, stable working basis, while adjusting to reduce shipping width. A new counterweight removal device is available to allow easier and more efficient transport.

Cab/serviceability/technology Increased glass area in the F Series cab enhances visibility for the operator. Special sealing and insulation keep the operator’s environment clean, comfortable, and quiet with operator sound levels are reduced by a significant 3 dB(A). The new monitor offers a larger screen with higher resolution with more intuitive navigation. The monitor is programmable in 42 languages, and it presents detailed machine operating data as well as crisp images from the standard rearview camera. A climate control system includes air conditioning and filtered air ventilation, and seat options include air suspension, heated, and cooled versions. Routine maintenance points like grease fittings, fuel and oil filters, and fluid taps are conveniently grouped and safely reached behind wide service doors from wide, slip-resistant catwalks. In addition, a fuel-tank drain cock simplifies evacuating water and sediment to protect the fuel system, and an integrated fuel-level indicator reduces the prospect of overfilling. Cat Connect makes smart use of technology and services to help improve jobsite efficiency. LINK technologies, like the optional Product Link™ system helps fleet owners manage equipment productivity and lower owning and operating costs through the online VisionLink® interface by tracking critical items, such as location, hours, fuel usage, diagnostic codes, and idle time. F-Series machines also offer optional GRADE technologies like Cat Grade Control Depth and Slope to help operators work more productively and accurately and upgrade to 3D capability when job requirements change.

374F and 390F Excavator Specifications 374F 390F Engine Cat C15 Cat C18 Gross power 362 kW 405 kW Net power, kW (hp) – ISO 9249/SAEJ1349 Net power – ISO 9249 352 kW 391 kW Net power - ISO 9249 479 hp (metric) 532 hp (metric) Operating weight, min., kg * 70970 88680 Operating weight, max., kg ** 75170 92020 Max. dig depth, mm *** 9650 11800 Max. fwd reach, mm*** 14230 17,250 Implement Hyd. flow, L/min 448 x 2 476 x 2 Implement Hyd. pressure, kPa 37000 35000

* How equipped: Reach boom and shortest stick 374F with R7.8m boom, R2.84m stick, 3.8m³ bucket 390F with R8.4m boom, R3.4m stick, 4.6m³ bucket ** How equipped: Mass boom and longest stick 374F with M7.0m boom, M3.0m stick, 4.6m³ bucket 390F with M725m boom, M3.4m stick, 6.0m³ bucket ***How equipped: Longest reach boom and stick 374F with R7.8m boom, R4.7m stick, 3.8m³ bucket 390F with R10.0m boom, R5.5m stick, 3.9m³ bucket

Note to Editors: Caterpillar rolls-out products and services in each of its territories at different time intervals. Although every effort is made to ensure that product information is released only after Caterpillar has received confirmation from our dealer network, our plants, and our marketing subsidiaries that products and services are available in the relevant region, editors are kindly requested to verify with their local dealer for product availability and specifications.

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