AP600 Asphalt Paver

AP600Asphalt Paver®Cat ® 3056E EngineGross Power (SAE J1995) at 2200 rpmNet Power (ISO 9249) at 2200 rpmOperating Weight withAS3251 ScreedAS4251 Screed129 kW/173 hp121 kW/162 hp17 800 kg18 100 kgHopper Capacity 5.5 m 3Standard Paving RangeAS3251 Screed2500-4700 mmAS4251 Screed2550-5000 mmMaximum Paving WidthAS3251 Screed7500 mmAS4251 Screed7800 mm

AP600 Asphalt PaverThe new AP600 combines fuel efficiency, optimized performance and simplified service,speed and job versatility to maximize productivity.Cat ® 3056E EngineThe diesel engine incorporates theproven technology from previousCat ® engines providing high reliability,durability and easy servicing. MeetsEuropean EU Stage II engine emissionregulations. The high capacity coolingsystem performs efficiently in highambient temperatures. The system providesa cooler working environment forthe tractor and screed operators. pg. 4Suspension SystemThe AP600 is equipped with two largetread drive tyres and four front solidrubbersteering bogie wheels providingoptimum ground contact and smoothoperation. pg. 5Material Handling SystemThe AP600 provides precise mixdelivery through an advanced materialhandling system. The system efficientlyreduces component wear and minimizesthe potential for mix segregation.pg. 7Propel SystemThe hydrostatic propel systemeliminates chains and other mechanicallinkages between the diesel engine andfinal drive components. The propelpump provides optimum displacementenhancing servicing. The front wheelassist increases rimpull powerproviding enhanced traction. pg. 5Operator’s StationTwo different configurations.The single operator’s station can beelectrically positioned over the entirewidth of the asphalt paver whilst thedual operator station configurationincludes two seats fitted onmechanically sliding semi-platforms.pg. 6Performance and reliability you expect.Overall dimensions, weights distribution,easy to operate and great performancesare the basic features of the new AP600.With many enhanced features and options,the AP600 offers optimum flexibilityranging from new construction, resurfacingand maintenance with either hot and/ormodified bituminous mix and aggregate production.2

Generator (Optional)The generator provides continuous andsimple control in paving operations forground crew usage. This integratedgenerator supplies power to theelectrically heated screed providinghigh reliability. pg. 8Auxiliary Rear Control PanelThe right-hand auxiliary rear controlpanel provides full control for tamperand vibrators frequencies, screedassist & counterbalance adjustmentand augers group raising/lowering.pg. 8ScreedsThe AP600 is available with theAS3251 screed and the AS4251 screedboth available with variable frequencytamper and vibrators and with LPG andelectric heating system. All screeds laymaterial to the desired width and depthwhile providing a smooth finish withinitial compaction. pg. 9ServiceabilityThe AP600 provides excellent access toall machine parts requiring scheduledmaintenance. Large service panelsensure quick and easy inspection of themain parts. Transverse engine mountingprovides ground-level access tohydraulic pumps and the engine coolingsystem. Color-coded and numberedwiring simplifies troubleshooting of theelectrical systems. pg. 103

Caterpillar ® Diesel EngineModel 3056E ATAAC is a high-tech six cylinder diesel engine designed to provide quietperformance, high reliability, easy servicing and excellent fuel economy.Optimum power. The engine performsat a full-rated gross power of 129 kW(173 hp) at 2200 rpm providing greatperformance and high efficiency inpaving operation.Meets European EU Stage II engineemission regulations.Turbocharged and air-to-airaftercooling. High horsepower withincreased response time is assured whilekeeping exhaust temperatures low forlong hours of continuous operation.Air-to-air aftercooling (ATAAC).Air intake temperatures are maintained lowand in concert with the tight tolerancecombustion chamber components,maximizing fuel efficiency and minimizingemissions. The system generatessignificant improvements in air flow inorder to improve efficiency and reduceemissions.Low transverse engine mounting.Provide better cooling performance andeasy accessibility for service.Large service panels guarantee easyservicing operations and access to thehydraulic pumps and external enginecomponents.Fuel injection. Heavy duty unit-typefuel injection and low pressure fuellines minimize opportunity for fuelleaks.Intake manifold heater. Preheatsincoming air for quick cold weatherstarting.Cooling system. The high capacitycooling system provides cool intakeair in order to maximize fuelefficiency and minimize emissions.The system promotes operatorcomfort by drawing ambient airthrough the engine compartment andexhausting it on the right side of themachine, away from the operator.4

Propel SystemEfficient hydrostatic propel system eliminates chains and other mechanical linkagesbetween the engine and final drive components.HydraulicMotorFinalDriveDiskBrakeCaterpillarDiesel EngineClosed-loop hydrostatic propel system. Provides accuratecontrol of propulsion and low-maintenance operation.Hydrostatic pump. The propel system of AP600 drives therear wheels with a variable displacement pump and fixeddisplacement axial piston motor directly splined to a servoassistedtwo-speed gearbox. The propel pump is infinitelyvariable and electronically controlled for starting andstopping ramps.Front Wheel Assist. The system adds hydrostatic propel powerto two of the four front steering wheels. The front wheel assistincreases rimpull power, providing enhanced traction.Speed control. Infinite speed selection within two propelranges: one in working mode and one in travel mode,to select the best speed range according to operating modes.Propulsion control. An electro-proportional servo-controlprovides machine starting and stopping (for asphalt supply,etc.) with no pre-set working speed variation.Mechanical benefits. Because the system is completely hydrostatic,there are no mechanical linkages such as gear cases,transmissions or chains between the engine power take-offand the drive system. This results in a significant reductionin mechanical parts and less chance for mechanical failure.Gearboxwithself-lockingdifferentialFinalDriveDiskBrakeHydraulicPumpSuspension SystemThe wheel-type asphalt paver provides optimum weight distribution, tractive effort assuringgreat performance.Wheel-type tractor. The AP600 is equipped with two largetread drive tyres. The four front solid-rubber steering bogiewheels are mounted to the front oscillating axle rocker armsfor maximum ground contact and smooth operation over highand low spots.Wheel base. The long wheel base provides enhanced tractiveeffort and stability on soft base materials.Two-speed planetary drive. A fixed displacement motor drivetwo-speed planetary drive gearbox in order to provideinfinitely variable speed selection.5

Operator’s StationSingle and dual operator stations provide complete control and optimum visibility fromeither side of the operating platform.Single operator’s station. The single operator's station can beelectrically positioned over the entire width of the asphaltpaver.Dual operator’s station. The ergonomic dual operator’s stationincorporate two adjustable suspension seats fitted onmechanically sliding semi-platforms.Enhanced visibility. Both operator seats and console panel aremounted on pivoting pedestals enabling the operator to rotateeither to the left or right. The stations can extend beyond themachine frame for optimum visibility when joint matching orwhile paving other applications where precise control isrequired. With the engine mounted forward and low in frame,the operator is positioned away from engine heat and exhaust.Control console. The sliding operator’s console panel is fullyequipped with comprehensive controls allowing the operatorto conveniently monitor all machine functions.A multifunctional LCD-display fitted to the console panelprovides detailed information regarding the operatingparameters of machine and engine. A lockable vandal coverprotects console controls.Canopy option. Two optional canopies are available: foldingcanopy or hydraulic raising canopy. Both canopies providefull width with two side extending wings for optimumcomfort and protection. Canopies can be lowered (manuallyor hydraulically) for easy transportation.6

Material Handling SystemPrecise mix delivery and productivity through an advanced material handling system.Split-SegmentNi-Hard AugersOutboard Mounted and IndependentlyControlled Augers MotorsAlloy Steel DragFlights and ChainsOptimum productivity. The materialhandling system allows the operatorto maintain an uninterrupted flow ofmaterial from the hoppers to thescreed. The system is responsiblefor maintaining the proper head ofmaterial - the volume of asphalt infront of and across the length ofthe screed.Independently Controlled FeedingConveyors MotorsHoppers. The independent movement of thetwo hoppers is provided by means of twohydraulic cylinders assuring efficientmaterial flow. Wear-resisting steel providesconveyors and hopper bottom plate for longwear life.Feeding conveyors. Two feeding conveyorsare independently controlled andproportionally driven by two ultrasonicsensors. Conveyor rotation can also beinverted from either operator’s console panelor from rear screed control boxes.Conveyors have drive chains to maximizethe live conveyor area and reduce center linesegregation. This design also provides greaterease of servicing the conveyor drive system.In order to control mix delivery, theoperator sets a speed rate for each conveyorthat will maintain the desired mix level inthe left and right auger chambers.Auger assembly. Two independentlycontrolled augers spread the materialconveyed to both sides. Auger rotationspeed can be varied automatically toensure a homogeneous distribution ofmaterial before the screed.Two ultrasonic wave detectors controlproportional augers movement andcan be adjusted from the screedcontrol boxes.Conveyors and augers design eliminatevoids under chain case to minimizesegregation.Augers have outboard mounted motorsfor easy serviceability.Adjustable height auger assembly.Augers are reversible andhydraulically adjustable in heightproviding benefits to mat qualityand better distribution of materialin front of the screed.The ability to raise the augerassembly simplifies loading andunloading from a transport vehicle.Also, when working with larger stonemixes, segregation can often beeliminated or minimized by raisingthe augers to allow mix to flowunrestricted under auger assembly.7

Optional Generator SystemContinuous-duty integrated design ensures peak performance and high reliability.Industrial, continuous-duty generator. Working range from1250 to 2200 rpm provides high reliability and low soundlevels.Single control switch. A single control switch located on thetractor’s operating console activates the generator.Full power. The integrated, tractor-mounted generator providesfull power to the electric screed while the engine is operatingfrom 1250 rpm.Circuit breaker protection. Extend service life and internalelectronic voltage regulation system provides consistentpower.Auxiliary Rear Control PanelFull control of tamper and vibrators frequencies for easy ground crew usage.1 Tamper AdjustmentPotentiometer2 Adjusting Tamper StartingPotentiometer3 Vibrator AdjustmentPotentiometer4 Screed Assist PressureGauge18 72 355 Automatic Screed AssistPressure AdjustmentPotentiometer6 Screed Assist Stand-by PressureAdjustment Potentiometer7 Augers Unit Lift/Lower Switch8 Optional Tamper rpm Display46Right-hand auxiliary rear control panel. Mounted on the rightrear side of the tractor provides constant and easy control forground crew usage during paving operations.Monitoring and adjustment. Tamper and vibrators frequencies,screed assist & counterbalance system and augers group areconveniently controlled on the panel.Screed assist. An electro-hydraulic device maintains a constantscreed pressure on the bituminous mix, independently from themix bearing capacity and the paving width. Screed assist andcounterbalance system guarantees superior mat quality andflatness regardless of the speed variations and machine stopsfor material refilling.Lockable panel cover. The lockable vandal cover efficientlyprotects panel controls.8

ScreedsElectric heated and LPG hydraulic screeds combine the flexibility to match equipment tooperator preferences or job requirements.Screed choices. The AP600 is available with the AS3251screed and the AS4251 screed both available with variablefrequency tamper and vibrators and with LPG and electricheating system.AS3251 screed. Hydraulic power extendible asphalt screed,it paves from 2500 mm to 4700 mm. With solid extensionsadded to both sides, maximum paving width is 7500 mm.AS4251 screed. Double width hydraulic power extendibleasphalt screed, it paves from 2550 mm to 5000 mm.With solid extensions added to both sides, maximum pavingwidth is 7840 mm.Tamper and vibrator. For all screed models are operatedautomatically when the asphalt paver advances followinga preset ramp. Tamper starting and stopping ramps areadjustable in order to maintain an optimum mat finish evenwith the AP600 stopped during material reloading operations.All screeds are equipped with electronic ignition, automaticand independent adjustment of the smoothing platetemperature for central and each mobil plate.Electric heating system. The electric heating system featuresa tractor-mounted generator, replaceable heating elements andoperator friendly controls providing an operator-friendlyenvironment. The system is equipped with automaticadjustment of the smoothing plate and tamper bar temperaturefor central, each mobile plate and bolt-on extensions up to7500 mm. Rapid screed preheating is obtained at low enginerpm for quiet operation. Heavy-duty, user-friendly screedheating control unit with self-diagnostic control is positionedat the rear of the machine for easy ground crew usage.* Refer to the Screeds Specalogs for more detailed information.9

Reliability and ServiceabilityReliability and serviceability are integrated into every Caterpillar machine.These important features keep your machine investment profitable.The AP600 asphalt paver has beendesigned for easy service andmaintenance with special attentiongiven to component access.Large access doors and panels. Ensurequick and easy inspection of the mainparts. The service doors and panels alsoprovide optimum ground levelserviceability and easy access to thehydraulic pumps and external enginecomponents.Low transversely mounted engine.Provides optimum access to thehydraulic pumps mounted to the rightside of the engine. The front servicepanel features a single wide hingeddoor that provides easy filter andtraction valves serviceability.Propel pump servicing. The optimumdisplacement of the propel pumpprovide enhanced servicing.Ergonomic operator stations. Equippedwith rotating seats and console panelprovide optimum comfort, all-aroundvisibility and easy control duringmachine operations.Hydraulic motors servicing. Hydraulicmotors for augers are fitted outboardfor improved accessibility andserviceability. The auxiliary and frontpower-assist drive solenoid valvesblocks have been conveniently fittedcentrally simplifying checking andadjustments.Hydraulic hoses and electrical wiringharnesses. Cleanly routed and clampedto reduce wear and provide easy service.Exposed hoses. Provided with nylonsleeve protection to reduce abrasion.Vibrator system hydraulic lines.Cat XT hoses provide optimumdurability and resistance to damage.Integrity of the electrical system.Is ensured with the use of high-qualitycomponents.The Caterpillar electrical standards.Enhance reliability and durability,feature numbered and color-coded wires.Nylon-braided wrap efficiently protectsthe electrical wires.Electrical schematics. Detailing wirenumbers, wire colors and componentpart numbers are located in the electricalschematic technical publication.10

EnginePropel SystemSuspensionSix cylinder Caterpillar ® 3056EATAAC, turbocharged air-to-airafter-cooled diesel engine. MeetsEuropean EU Stage II engine emissionregulations.Gross PowerSAE J1995Rated Net PowerISO 9249EEC 80/1269BoreStrokeDisplacement2200 rpm129 kW/173 hp2200 rpm121 kW/162 hp121 kW/162 hp100 mm127 mm6 litersAll engine horsepower (hp) aremetric including front page.Net power ratings are testedat the reference conditions forthe specified standard.Net power advertised is the poweravailable at the flywheel when theengine is equipped with alternator,air cleaner, muffler and fan.A closed-loop hydrostatic propelsystem provides accurate control ofpropulsion. The propel system ofAP600 drives the rear wheels witha variable displacement pump andfixed displacement axial piston motordirectly splined to a servo-assistedtwo-speed gearbox. The propel pumpis infinitely variable and electronicallycontrolled for starting and stoppingramps.The front wheel assist provides enhancedtraction increasing rimpull power.An electro-proportional servo-controlprovides machine starting and stoppingwith no pre-set working speed variation.The high-capacity cooling systempromotes operator comfort bydrawing ambient air through theengine compartment and exhaustingit on the right side of the machine,away from the operator.Max. Speeds (forward and reverse):Operating0-60 mpmTravel0-15 km/hThe AP600 is equipped with twolarge tread drive tyres. The fourfront solid-rubber steering bogiewheels are mounted to the frontoscillating axle rocker arms formaximum ground contact andsmooth operation over high and lowspots.The long wheel base providesenhanced tractive effort and stabilityon soft base materials.Wheel base2290 mmBrakesSteeringPrimary Brake Features Closed-loop hydrostatic driveprovides dynamic braking duringnormal operation.Parking Brake Features The hydrostatic drive acts as theservice brake and is hydraulicallyand proportionally applied via abrake pedal besides the operator'sconsole panel. Safety and parking brakes aremechanical multi-disk spring-appliedbrakes. Parking brake is automaticallyapplied with the machine in“stand-by” mode. When required the brakes can bereleased manually.Hydraulic power-assist steering systemprovides smooth, low effort steering bymeans of a steering wheel on theconsole panel.Features An automotive-type steering wheel isused to control direction. The steeringwheel controls the four front wheels bya modulated hydraulic cylinder. The four front steering wheels aremounted in pairs of oscillatingbogies, providing maximum groundcontact and smooth operation evenon irregular terrain. The wide tread section of the reartyres assures optimummaneuverability and high tractiveperformance on all types of terrainsand slopes.Turning RadiusMinimum3900 mmAP600 Asphalt Paver specifications 11

Operator’s StationConveyors and AugersElectrical SystemThe AP600 can be equipped with twodifferent operator's stationconfigurations. Both of theseconfigurations include an optionalfolding canopy cover for operatorcomfort. The single operator's stationcan be electrically positioned over theentire width of the asphalt paver whilstthe dual operator station configurationincludes two seats fitted onmechanically sliding semi-platforms.Both configurations also includeoperator seats and console panelmounted on pivoting pedestals enablingthe operator to rotate either to the leftor right for enhanced visibility.The sliding operator's console panel ofthe AP600 is fully equipped withcomprehensive controls allowing theoperator to conveniently monitor allmachine functions. In addition amultifunctional LCD-display fitted tothe console panel provides detailedinformation regarding the operatingparameters of the machine and engine.A lockable vandal cover protectsconsole controls.Controls operating tamper, vibrationand screed assist are also located atthe rear of the machine for ground crewusage.With the engine mounted forward andlow in the frame, the operator hasexcellent visibility into the hopper.The operator is also positioned awayfrom the engine heat and exhaust.The independent movement of the twohoppers is obtained by means of twohydraulic cylinders. Two feedingconveyors, manufactured with abrasionresistant-steel, are independentlycontrolled and proportionally drivenby two ultrasonic sensors.Conveyor rotation can also be invertedfrom either operator's console panel orfrom rear screed control boxes.Two independently controlled augersspread the material conveyed to bothsides. Auger rotation speed can bevaried automatically to ensure ahomogeneous distribution of materialbefore the screed. Two ultrasonic wavedetectors control proportional augermovement and can be adjusted fromthe screed control boxes. The augersare reversible and hydraulicallyadjustable in height providing benefitsto mat quality and better distribution ofmaterial in front of the screed.The 24-volt electrical system consistsof two 12-volt batteries and a 24-volt,55 amp alternator. Integrity of theelectrical system on Cat machines isensured with the use of high-qualitycomponents. The Caterpillar electricalstandards, developed to enhancereliability and durability, featuresoldered, molded, numbered and wireswith nylon-braided wrap to protect theelectrical harness.All wiring and harnesses are routedaway from areas that may cause wearor damage and are held in place byfasteners.An onboard generator is fitted when theAP600 is equipped with the AS3251 orAS4251 electric screeds. The generatorprovides 25 kW output to power screedheating and also optional lightingassemblies.Hydraulic SystemThe propel, material handling andauxiliary systems are operated withelectrically controlled, hydrostaticcomponents. In the event of electricalfailure, each system has manualoperation capability.The warning lights are activated byabnormal conditions in engine oiltemperature and pressure, enginecoolant temperature and hydraulic oillevel. The warning lights are positionedon the control console for easymonitoring by the operator.Quick-connect hydraulic test portssimplify system diagnostics.The hydraulic oil filtering systemof the AP600 provides optimumcartridges working life.12 AP600 Asphalt Paver specifications

ScreedsAll screeds fitted to AP600 performthe same basic function - to lay materialto the desired width and depth whileproviding a smooth finish with initialcompaction.The AS3251 screed is hydraulicallyextendible and paves from 2500 mm to4700 mm. With solid extensions addedto both sides, the maximum pavingwidth is 7500 mm. Tamper vibrationfrequency from 0 to 1700 rpm(0 to 28.3 Hz). Smoothing platevibration frequency from0 to 3400 rpm (0 to 56.7 Hz).The AS4251 screed is hydraulicallyextendible and paves from 2550 mm to5000 mm. With solid extensions addedto both sides, the maximum pavingwidth is 7840 mm. Tamper vibrationfrequency from 0 to 1700 rpm(0 to 28.3 Hz). Smoothing platevibration frequency from0 to 3400 rpm (0 to 56.7 Hz).Tamper and vibrator for all screedmodels are operated automaticallywhen the asphalt paver advancesfollowing a preset ramp. Duringoperation tamper and vibratoradjustment are electronically controlledand can be individually adjusted viapotentiometers located on the rearground control panel. The rear groundcontrol panel also includes an optionalLCD-display indicating tamperfrequency and a potentiometer foradjusting the tamper ramp.Dual LPG high-energy burners, eight inall, are included on all main screedsand each hydraulic extension whereavailable. Four sensors constantlycontrol the temperature throughout theentire width of the screeds. All screedsare equipped with electronic ignition,automatic and independent adjustmentof the smoothing plate temperature forcentral and each mobile plate.Electric heating system is available forthe AS3251 screed and the AS4251screed. The electric heating systemfeatures a tractor-mounted generator,replaceable heating elements andoperator friendly controls providing anoperator-friendly environment.The system is equipped with automaticadjustment of the smoothing plate andtamper bar temperature for central, eachmobile plate and bolt-on extensions upto 7500 mm. Rapid screed preheating isobtained at low engine rpm for quietoperation. Heavy-duty, user-friendlyscreed heating control unit with selfdiagnosticcontrol is positioned at therear of the machine for ground crewusage.All screed models are equipped withthe screed assist, an electro-hydraulicdevice maintaining a constant screedpressure on the bituminous mix,independently from the mix bearingcapacity and the paving width.Grade and Slope ControlOptionThe grade and slope controls providefull control for both longitudinal gradeand transverse slope when operating toa single reference. Correction is directlyrelated to the magnitude of the surfacedeviation. Controls are functional fromeither side of the AP600 asphalt paver.System components may varyaccording to the optional controlsmounted on the AP600.AP600 Asphalt Paver specifications13

DimensionsGEFAP600ABDHCmmA Tractor length w/push roller 5000B Length with push roller and screed 6400C Transport width without end gates and screed(hopper raised) 2500D Tractor operating width (hopper lowered) 3200E Operating height with canopy 3800mmF Transport height(no folding exhaust pipe, canopy lowered) 3700Transport height(folding exhaust pipe, canopy lowered) 3000G Hopper length 1800H Truck entry width 2500WeightskgTractor 14 150with AS3251 screed 17 800with AS4251 screed 18 10014 AP600 Asphalt Paver specifications

Optional EquipmentSome options listed may be an option in some areas and standard in others. Consult your dealer for specifics.Folding Operator's Station Canopy.The operator's station canopy covers theentire width of the machine. The canopycan be lowered and raised manuallyfacilitating machine transportation.Hydraulic Raising Operator's StationCanopy. The operator's station canopycovers the entire width of the machine.The canopy can be lowered and raisedelectrically even with the engine notrunning.All Wheels Assist (AWD). The systemadds hydrostatic propel power to allfour front steering wheels. The allwheels assist provides total traction.Grade Control. Paddle-type gradecontrol with small rigid ski that rides onthe pavement surface. The referencesurface may be a flat surface or a wire.Digital Grade Control. Paddle-type gradecontrol with small rigid ski that rides onthe pavement surface. The system alsoincludes a digital control unit fitted tothe screed handrail.The digital control unit allows theground crew to set the grade of thesurface, in accordance with the siterequirements. The digital control unitcan also be used to control a gradecontrol applied to the opposite side ofthe screed.Digital Ultrasound Grade Control.A multi-functional sensor provides fullproportional control for longitudinalgrade. The system includes a digitalcontrol unit and an ultrasound sensorthat detects obstacles or breaks in thereference surface (stones, small holes,etc.) and provides a mean average ofthe surface on which it is operating.The control unit can also be used tocontrol a grade control applied to theopposite side of the screed.Ultrasound Grade Control. 5 noncontactultrasound sensors provide fullproportional control for longitudinalgrade. The system includes a digitalcontrol unit and a multiple ultrasoundsensor that detects obstacles or breaksin the reference surface (stones, smallholes, etc.) and provides a meanaverage of the surface on which it isoperating. A sixth sensor, positionedhorizontally, automatically corrects theeffects of variations in the airtemperature so that there is not an errorin the evaluation of the referencedistance.Combined Ultrasound Grade Control.The system includes a single controlunit with a rigid ski in contact with thereference surface and a non-contactultrasound sensor incorporated formaximum flexibility. The referencesurface may be a flat surface or a wire.Laser Scanner Grade Control.The system includes a mobile laser unitthat is attached to the paver. The mobileunit is positioned high above thesurface in order to allow it to detectdiscontinuities in the reference surfaceand in the laid material over a distanceadjustable up to 18 meters. The systemalso includes two digital control units,one for adjusting the levelingparameters and controlling a gradecontrol applied to the opposite side ofthe screed, and a second digital controlunit is used to set the operatingparameters of the laser (reading height,range and length of the screed).Slope Control. Works together with thegrade controls to provide accuratetransverse slope of the material laid.Digital Slope Control. Works togetherwith the grade controls to provideaccurate transverse slope of the materiallaid. The system also includes a digitalcontrol unit fitted to the screedhandrail. The digital control unit allowsthe ground crew to set the percentageslope of the surface, in accordance withthe site requirements.Screeds Extension Boxes. 250 mmand 710 mm mechanical extensionsavailable for AS3251 and AS4251screeds.Rotating Side Screed End Gates (forAS3251 and AS4251). Bolted on hingedend gates reduce screed width for easytransportation.Motorized Screed Camber Adjustment(for AS3251 and AS4251). Electric motormodifies screed plate camber anglesbetween +4.5% and -2.5%.Supplementary Working LightsPackage with Xenon Lights (24V).Consists of four variable position xenonbeam flood lights, two mountedforward and two mounted to the rearilluminating work area.Supplementary Working LightsPackage (230V) available only forAP600 with AS3251 and AS4251Electric Heated Screeds. Consists offour variable position sealed beamflood lights, two mounted forward andtwo mounted to the rear illuminatingwork area.Automatic Greasing System for Tractorand for Tractor & Screed. Centralizedand automatic lubrication of conveyors,augers, tamper and vibrator shafts.Refueling Pump. An electric selfprimingpump permits machinerefuelingon-the-go or with enginenot running.AP600 Asphalt Paver specifications15

AP600 Asphalt PaverFor more complete information on Cat products, dealer services, and industry solutions, visit us on the web atwww.cat.comMaterials and specifications are subject to change without notice. Featured machines in photosmay include additional equipment. See your Caterpillar dealer for available options.© 2007 Caterpillar -- All rights reservedHEHG3400-1 (03/2007) hrCAT, CATERPILLAR, their respective logos, “Caterpillar Yellow” and the POWER EDGE trade dress as well ascorporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.®