Hydraulic Snubbers. Caterpillar integrates its cylinder snubber technology into all Wheel Excavator boom, stick and bucket cylinders. These snubbers help.

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2M316D Wheel ExcavatorThe D Series incorporates innovations for improved performance and versatility. Increased lifting capacity, improved cycle times and ease of operation lead to increased productivity and lower operating costs. ServiceabilityFor increased safety, all dailymaintenance points are accessible fromground level. A centralized greasing system allows lubrication ofcritical points. pg. 12VersatilityCaterpillar offers a wide variety offactory-installed attachments that enhance performance and job site management.pg. 11Operator ComfortThe totally redesigned operator stationmaximizes comfort while increasing safety. The available auto-weight adjusted air-suspension seat with heated and cooled ventilated cushions improves operator comfort. Safety is enhanced bythe new color monitor and optional rear-mounted camera. pg. 6HydraulicsThe state of the art load-sensing hydraulicsystem combined with a separate dedicated swing pump provides fast cycle times, increased lift capacity andhigh bucket and stick forces. Thiscombination maximizes your productivity in any job.pg. 5EngineCaterpillarÕs exclusive ACERTª Technology surpasses the most stringent emissions requirements in the construction industry. The U.S. EPA Tier 3 compliant C6.6 offers increased performance and reliability while reducing fuel consumption and sound levels.pg. 4

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New Feature 3Complete Customer SupportYour Cat¨dealer offers a wide rangeofservices that can be set up under a customer agreement when you purchase your equipment. Your dealer will help you choose a plan that can cover everything from machine and attachment selection to replacement. pg. 15Environmentally Responsible DesignHelping to protect our environment, theengine has low operator and spectator sound levels, longer filter change intervals and is more fuel-efficient. pg.14 Work ToolsThe combination of Caterpillar machinesand work tools provide a total solution for any application. A variety of couplers, buckets, hammers, grapples, shears, multi-processors to name a few are offered to optimize your machineÕs versatility.pg. 10Booms and SticksCaterpillar¨excavator booms and sticksare built for performance and long service life. The box section design provides the strength needed for even the toughest applications. Multiple boom and stick options allow you to pick the best match for your job. pg. 9UndercarriageVarious undercarriage configurationsare available to provide the best solution for your work environment; these configurations can include a dozer bladeand/or outriggers depending onyour needs. pg. 8

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Powerful Performance.The Cat¨C6.6with ACERTªTechnology introduces a series of evolutionary, incremental improvements that provide breakthrough engine performance. The building blocks of ACERT Technology are fuel delivery, air management and electronic control. ACERT Technology optimizes engine performance while meeting U.S.EPA Tier 3 engine emission regulations. The Cat C6.6 engine in theM316D delivers a maximum gross power of 124 kW (166 hp) at a rated speed of 1,800 rpm. This is 15% more horsepower as compared to the 3056E in the M316C.Low Fuel Consumption.The C6.6 iselectronically controlled and uses the new Cat Common Rail Fuel System and fuel pump. This combination provides outstanding fuel consumption during both production and travel. When the system recognizes roading application the engine adjusts to the most efficient system operating point to save fuel without compromising road performance.Low Noise, Low Vibration.The Cat C6.6design improves operator comfort by reducing sound and vibration.Cooling System.An electronicallycontrolled, hydraulic motor drives a variable speed on-demand fan for engine coolant and hydraulic oil. The optimum fan speed is determined based on coolant and hydraulic oil temperature resulting in reduced fuel consumption and lower sound levels. The electronic engine control continuously compensates forthe varying fan load, providing consistent net power, regardless of operating conditions.One-Touch Low Idle Control.Thetwo-stage, one-touch Automatic Engine Speed Control reduces engine speed if no operation is performed, maximizing fuel efficiency and reducing sound levels.Waste Handling Package.The WasteHandling Package has been specifically developed for Cat Wheel Excavators working in waste transfer stations or other extremely dusty applications. Thisoption features the following: ¥An automatic, hydraulic reversible fan that reverses airflow after a set interval, manually adjustable between 5 and 60 minutes with aswitch located inside the cab. ¥A special dense wire mesh cooling system hood further reduces radiator clogging.¥Two cyclone filters provide clean filtered air to the engine compartment, air cleaner, aftercooler and air conditioner condenser.4EngineBuilt for power, reliability, low maintenance, excellent fuel economy and low emissions.

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Dedicated Swing Pump.A dedicatedvariable displacement piston pump and fixed displacement piston motor power the swing mechanism. This closed hydraulic circuit maximizes swing performance without reducing power to the other hydraulic functions, resulting in smoother combined movements.Heavy Lift Mode.This mode maximizeslifting performance by boosting the lifting capability of the excavator by 7percent. Heavy loads can be easily moved in the full working range of the machine, maintaining excellent stability.Adjustable Hydraulic Sensitivity.Thisfunction allows the operator to adjust the aggressiveness of the machine according to the application. For precision work, one of four different levels of aggressiveness can be pre-selected. Proportional Auxiliary Hydraulics.Versatility of the hydraulic system can be expanded to utilize a wide variety ofhydraulic work tools using multiple valve options.¥The Multi-Combined Valve is the core of the Tool Control System, allowing the operator to select up toten pre-programmed work tools from the monitor. These preset hydraulic parameters support eitherone-way or two-way flow. The joystick sliding switches allow modulated control of the work tool.¥A dedicated Hammer circuit is the best option for tools that require one-way flow only, and do not require the flexibility provided bythe Multi-Combined Valve. ¥The Medium Pressure Function Valve provides proportional flow that is ideal for tilting buckets or rotating tools.¥A new feature for the D-Series Wheel Excavators is the optional second High Pressure valve. In combination with the Multi-Combined Valve, itprovides the possibility to operate the machine with work tools or in applications requiring a third auxiliary hydraulic function, such as a tilting/rotating quick coupler.Stick Regeneration Circuit.The stickregeneration circuit increases efficiency and helps increase controllability for higher productivity and lower operatingcosts. Quick Coupler.The machine can beoptionally equipped with a dedicated hydraulic circuit to operate hydraulic quick couplers.Hydraulic Snubbers.Caterpillar integratesits cylinder snubber technology into allWheel Excavator boom, stick and bucket cylinders. These snubbers help cushion shocks, reduce sound and increase cylinder life.Caterpillar XTª-6 ES Hoses.Premiumquality rubber, precision 4-ply wire reinforcement and exclusive reusable couplings are all unique features that deliver top performance and long life.5HydraulicsFast cycle times, increased lift capacity, and high bucket and stick forces combine tomaximize your productivity in any job.

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New Increased Travel Speed.Themaximum travel speed for the D-Series Wheel Excavators has been increased from 34 km/h (21 mph) to 37km/h (23 mph), reducing travel time between sites and increasing productivity.Heavy-Duty Axles and Stabilizers.TheD-Series Wheel Excavator undercarriage with pin on/bolt on design provides excellent flexibility, rigidity and long life. Effective hydraulic line routing, transmission protection and heavy-duty axles make the undercarriage perfect for wheel excavator applications. The front axle offers wide oscillating and steering angles. The transmission ismounted directly on the rear axle for protection and optimum ground clearance.Advanced Disc Brake System.The discbrake system acts directly on the hub instead of the drive shaft to avoid planetary gear backlash. This solution eliminates the rocking effect associated with working free on wheels. The axle design lowers maintenance and lifetime costs. Oil change intervals are at 2,000working hours, further reducing owner and operator costs.Drive Line Concept.The rear mountedtransmission and robust drive line design, delivers excellent ground clearance for all off-road applications.Fenders.The optional fenders provideexcellent coverage of the front and rear tires, protecting the machine from mud and dirt. Water cannot splash up on thewind screen or cooler. The fenders further protect the machine from stones and debris being thrown up by the tires, providing additional safety for the machine, other vehicles and personnel working close to the excavator.Adjustable Travel Alarm.An adjustabletravel alarm is available to warn peoplewhen the machine is moving. Three settings can be selected through the monitor.¥Auto mode Ð alarm will stop sounding immediately when the machine is no longer traveling, orhas been sounding for an uninterrupted 10-second interval.¥Standard mode Ð alarm operates constantly during moving, with onlymanual cancellation. ¥Off mode Ð Travel Alarm is disabled. 8UndercarriageUndercarriage and axle design provides maximum strength, flexibility and mobility onwheels.

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Industrial StickSticks.Four different stick lengths areoffered to match different application requirements:¥Short stick (2.1 m/6 ft 11 in) for maximum breakout force and lifting capability.¥Medium stick (2.4 m/7 ft 10 in) for greater crowd force and lift capacity.¥Long stick (2.6 m/8 ft 6 in) for greater depth and reach requirements.¥Industrial stick (3.1 m/10 ft 2 in) for use with free-swinging grapples in material handling and industrial applications.Design.Booms and sticks are welded,box section structures with thick, multi-plate fabrications in high stress areas, for rugged performance and long service life.Flexibility.The choice of three boomsand four sticks provides the right balance of reach and digging forces forall applications. One-Piece Boom.The one-piece boomfits best for all standard applications such as truck loading and digging. Aunique straight section in the curve ofthe side plate reduces stress flow and helps increase boom life.Variable Adjustable (VA) Boom.TheVA boom offers improved right side visibility and machine roading balance. When working in tight quarters or lifting heavy loads, the VA boom offers the best flexibility.Offset Boom.The offset boom addsmajor advantages as well as a high levelof versatility. The large offset dimensions (left 2460 mm (8 ft 1 in) and right 2760 mm (9 ft 1 in)) enable you to dig along walls, over obstacles, grade while driving and dig under laid pipe. This combination coupled with a tiltable ditch cleaning bucket allows you to operate a highly versatile machine.9Booms and SticksDesigned for maximum flexibility to keep production high on all jobs.

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Work Tools.Caterpillar work tools aredesigned to function as an integral part of your excavator and to provide the best possible performance in your particular application. All work tools are performance-matched to Cat machines.Quick Couplers.Quick Couplers enablethe operator to simply release one work tool and connect to another, making your hydraulic excavator highly versatile. Productivity also increases, asa carrier no longer needs to be idle between jobs. Caterpillar offers hydraulic and spindle quick coupler versions.Buckets.Caterpillar offers a wide rangeof specialized buckets, each designed and tested to function as an integral part of your excavator. Buckets feature the new Caterpillar K SeriesªGround Engaging Tools.Hammers.Cat hammer series deliververy high blow rates, increasing the productivity of your tool carriers in demolition and construction applications. Wide oil flow acceptance ranges make the Caterpillar hammers suitable for a wide range of carriers and provide a system solution from one safe source.Orange Peel Grapples.The Orange PeelGrapple is constructed of high-strength, wear-resistant steel, with a low and compact design that makes it ideal fordump clearance. There are several choices of tine and shell versions.Multi-Grapples.The Multi-Grapplewith unlimited left and right rotation isthe ideal tool for stripping, sorting, handling and loading. The powerful closing force of the grab shells combined with fast opening/closing time ensures rapid cycle time which translates to more tons per hour.Multi-Processors.Thanks to its singlebasic housing design, the Multi-Processor series of hydraulic demolition equipment makes it possible to use a range of jaw sets that can handle any demolition job. The Multi-Processor is the most versatile demolition tool on the market. Vibratory Plate Compactors.Catcompactors are performance-matched to Cat machines, and integrate perfectly with the Cat hammer line Ð brackets and hydraulic kits are fully interchangeable between hammers and compactors.Shears.Cat shears provide superior andeffective scrap processing, and are highly productive in demolition environments. Shears are compatible with a matching Cat excavator, and bolt-on brackets areavailable for either stick or boom- mounted options.10Work Tools A wide variety of Work Tools help optimize machine performance. Purpose designed and built to CaterpillarÕs high durability standards.

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Joystick Steering.The unique joysticksteering option enables an operator to reposition the machine while traveling in first gear by the use of the slider switch on the right joystick. This enables the operator to keep both hands on thejoysticks while simultaneously movingthe implements and traveling. The operator can do more precise work faster with increased safety around themachine. Tool Control.The integrated Tool Controlsystem allows the operator to select up to 10 pre-set combinations. This eliminates the need to re-set the hydraulic parameters each time a tool is changed. Individual flow and pressure can be programmed easily as well as one-way/two-way hydraulic functions. Each of the ten-programmed tools can even be given aspecific name. The unique Catproportional sliding switches andoptional auxiliary pedal provide modulation to the tool to make precision work easy.Ride Control.New for the D Series, theride control system improves operator comfort and allows the machine to travel faster over rough terrain with improved ride quality for the operator. The ride control system features accumulators acting as shock absorbers to dampen the front part motion. Ridecontrol can be activated through abutton located on the soft switch panelin the cab. Control Settings.There are 2 selectablecontrol settings and one automatic travel setting. The new automatic travel mode is activated with a button in the right hand console. In this setting, the transmission will automatically shift up or down, depending on the speed conditions. Theoperator can choose the best power setting for both engine and hydraulic power versus fuel efficiency.¥Economy Mode Ð used for lifting, pipe setting, grading, slope finishing and precise work while reducing fuel consumption.¥Power Mode Ð used for normal truck loading and digging applications, trenching or hammer use.¥Travel Mode Ð automatically set when the travel pedal is actuated. Itprovides maximum speed and drawbar pull.Product Link.Product Link can assistwith Fleet Management to keep track ofhours, location, security and product health. The machine is pre-wired to accept Product Link systems to be installed in the field. Product Link is also available as a factory installed attachment.Machine Security.An optional MachineSecurity System is available from the factory. This system controls who can operate the machine when, and utilizes specific keys to prevent unauthorized machine use.11Versatility A wide variety of optional factory-installed attachments are available to enhance performance and improve job site management.

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