BB 740 - Bagi

BB 740Wheel-TypeAsphalt PaverCat ® 3054 EngineGross Power (SAE J1995) 61.5 kW 83.6 hpOperating Weight 11 500 kg 25,000 lb(with RB E274 Screed)Hopper Capacity 5.0 cu m 10 tonStandard Paving Range 2.50 - 4.75 m 8 ft - 15 ftMaximum Paving Width 5.60 m 18 ft(with RB E274 Screed)

Caterpillar ® Diesel EngineModel 3054 DINA is a high-tech four cylinder diesel engine designed to provide quietperformance, high reliability, easy servicing and excellent fuel economy.Liquid-cooled system. Engine output to61.5 kW (83.6 hp) at 2200 rpm.Small-to-medium bore Caterpillarengine. Offers a superior reliability andoptimized maintenance serviceintervals.Low transverse-mounted engine.Provides easy access to the hydraulicpumps. Large service panels guaranteeeasy servicing operations and access tothe hydraulic pumps and externalengine components.Meets U.S. Tier 2 and European EUStage II. Conforms to emission controlstandards.Hydrostatic Drive SystemEfficient hydraulic drive system combined with two-speed gearbox eliminates chainsbetween diesel engine and final drive components.Closed-loop hydrostatic propel system.Provides accurate control of propulsionand low-maintenance operation.New final drives allows greattransmission torque capability andsuperior reliability.HydraulicMotorFinalDriveDiskBrakeCaterpillarDiesel EngineInfinite speed selection. Four speedranges, two in working mode and twoin travel mode, to select the best speedrange according to operating modes.New propel hydraulic motor. It is fittedto the four speed gearbox (twomechanical and two hydraulic) andoptimizes torque transmission at lowworkingspeed.Self-locking differential. Ensuresoptimum traction in every gripcondition of the surface.Front wheel assist. On request, itprovides hydrostatic drive for rear twobogie wheels, according to standardconfiguration.Gearbox withself-lockingdifferentialFinalDriveDiskBrakeHydraulicPump2

Operator’s StationDouble operator's station designed for comfort and optimum efficiency.Sliding operator’s console.Roller mounted, permits operation fromeither side of machine.Dual-slide feature. Each seat can bemoved from side to side and front toback on the pedestal frame, enhancingvisibility and ergonomics.Two ergonomic operator seats.Fitted on sliding platforms (on request)can be easily positioned outside themachine frame to further improvevisibility.Lockable vandal cover. Protects consolecontrols.Low-mounted engine. Providesunobstructed forward visibility.Control ConsoleFull instrumentation package allows operator to conveniently monitor all machinefunctions.Ergonomic and easy to use.Fully equipped with warning lights andall main operating and travel controls.International symbols.Shown for all controls.Analog-type gauges.Assure quick interpretation.Illuminating warning lights.Alert operator to:• High hydraulic oil temperature;• High engine temperature;• Low engine oil pressure.Rear machine controls. Vibrationfrequency regulators and screed assistoperating controls are located at therear of the machine for ground crewusage.3

Handling SystemPrecise mix delivery through an advanced material handling system.Left and right feeder/auger units.Controlled independently of each other.Two adjustable truck push rollers.Fitted to the front of the hoppers.Four paddle sensors. In automaticmode adjust material flow bycontrolling auger and conveyorrotation.Wear-resisting steel. Providesconveyors and hopper bottom plate forlong wear life.Proportional augers speed. On request,two ultrasonic wave detectors controlproportional augers movement and canbe adjusted from the screed controlboxes.Split-SegmentNi-Hard AugersOutboard Mountedand IndependentlyControlled Feeder MotorsIndependently ControlledAugers MotorsAlloy Steel DragFlights and ChainsFumes extractionAvailable on request, promotes reducing asphalt fumes enchanting the operating conditionsfor the paver operator and screed operator.A suction system. Provides removing ofasphalt fumes from the auger chamberarea for better operating conditions.Optimum visibility. The suction duct atthe end of the feeding tunnel and fumesoutlet pipe positioned behind theengine exhaust pipe maintains optimumvisibility of the hoppers loading area.Meets mandatory emissionsrequirements. It is compliant toemissions standards.Folding pipes. The fumes outlet pipeand the engine exhaust pipe can befolded for easy transportation.4

ServiceabilitySimplified service means more paving and less maintenance time.Large swing-open doors and panels.Provide access to all service areas.Transverse engine mounting.Assures ground-level access tohydraulic pumps and external enginecomponents.Low-mounted engine. Promotes easyaccess for servicing.Parking spring-applied/pressurerelease brakes. Optimum brakeperformance, long service life andeasier serviceability.Easily removable and hingedfootboards at operator’s station.Easy access to operating components.Electrical wiring. Protected by a nylonbraidedharness.RB E274 ScreedVariable width, power extending vibrating screed increases productivity and lowersoperating costs.Model RB E274. Vibrating screed pavesfrom 2.50 m to 4.75 m (8' 2" to 15' 7").With 2 extensions (0.425 m (16.7")optional) range max is 5.60 m (18' 4").Smoothing plate vibration frequencyfrom 1000 to 3400 rpm (16.7 to 56.7Hz).Two configurations. The RB E274screed is fitted with heating system inthe standard configuration and withelectronic ignition and automatictemperature control on request.Screed Assist. Hydraulic devicemaintains a constant screed pressure onthe bituminous mix, independentlyfrom the mix bearing capacity and thepaving width.5

EngineCaterpillar 3054 DINA, four cylinderliquid-cooled diesel engine. Meets U.S.Tier 2 and European EU Stage IIemission control standards.Ratings at 2.200 RPM kW hpGross power (SAE J1995) 61.5 83.6DimensionsBore 105 mm 4.1"Stroke 127 mm 5.0"Displacement 4400 cu cm 269 cu inDrive SystemA closed-loop hydrostatic propel systemprovides accurate control of propulsion.The propel system drives the rear wheelsthrough a variable displacement pumpand dual displacement axial piston motordirectly splined to a servo-assisted twospeedgearbox.Available on request is the front wheelassist that ensures hydrostatic drive forrear two bogie wheels.Four speed rangesWork (1 st gear)Work (2 nd gear)Travel (3 rd gear)Travel (4 th gear)0-38 mpm 0-125 fpm0-67 mpm 0-220 fpm0-8.5 kmph 0-5.3 mph0-15 kmph 0-9.3 mphSteeringSteering efficiency in travel mode withoptimized weight distribution on the frontaxle. The four front steering bogeywheels are fitted to oscillating axle rockerarms that maintain ground contact evenon irregular terrain. The wide treadsection of the rear tyres assures optimummaneuverability and high tractiveperformance on all types of terrains andslopes. Bogies are 280 mm (11") wide by485 mm (19") diameter solid rubber tires.Inside Turning Radius 3.6 m (11' 8")BrakesThe hydrostatic drive acts as the servicebrake and is hydraulically applied via thepropel lever on the operator’s consolepanel. The safety and parking brakes,mechanical disk spring-applied system,are controlled by a pushbutton andautomatically applied with the machinein “stand-by” mode. New disk brakeswith positive proportional effect incombination with hydrostatic andparking braking systems. Meet worldmost severe homologation tests.Operator’s StationTwo operator’s seats, fitted on slidingplatforms (on request), can be easilypositioned outside the machine frame tofurther improve visibility. The operator’sseats can be slid side-to-side and frontto-backon the pedestal frame.Station has a fully equipped instrumentconsole allowing the operator toconveniently monitor all machinefunctions.Operator’s ConsoleControl console with lockable vandalcover includes: steering wheel, left andright hopper raise/lower switches; leftand right feeder control switches; reverseauger switch; lights/horn switch; propelforward/reverse control lever; engineignition pushbutton; parking brakecontrol; screed vibrator control switch;screed lift switch up/down; and fumesextraction control switch.Operator’s console and station alsoincludes: foot brake pedal;manual/automatic switch; working lightson warning light; direction indicatorswitch; hazard warning light button; fastspeed on switch; and emergency stopbutton.InstrumentationOperator’s console includes: systemwarning light for high hydraulic oiltemperature, low hydraulic oil level, andlow engine oil pressure; fuel levelindicator; warning lights test pushbutton;alternator warning light; hourmeter.Electrical SystemThe 12-volt electrical system utilizes two12-volt batteries and a 12-volt, 75-ampalternator. The electrical system isdeveloped to enhance reliability anddurability with nylon-braided harness.Feeders and AugersRight and left side augers/feeders operateindependently of each other. Feedingconveyors and augers, made of antiwearingmaterial, can be manuallyoperated from the operator’s console orfrom the screed control panels. Inautomatic mode, four paddle sensorsadjust material flow by controlling augerand conveyor rotation.The augers are reversible andmechanically adjustable in heightproviding benefits to mat quality andbetter distribution of material in front ofthe screed.On request is proportional augers speedcontrolled by two ultrasonic wavedetectors.HopperPower hopper dumping, controlled fromcontrol console. Heavy-duty flashingprevents material spillage.Capacity5.0 cu m (10 ton)Discharge height - at centre460 mm (18")Discharge height - at sides510 mm (20")Fumes extractionOn request, this suction system removesasphalt fumes from the auger chamberarea, enhancing operating conditions, inorder to comply with mandatoryemissions requirements.Service Refill CapacitiesLiters GallonsFuel Tank 130 34.3Hydraulic Oil Tank 120 31.7Ecological liquid Tank 35 9.2Weight (approximate)Tractor with RB E274 Screed11 500 kg (25,000 lb)6BB 740 specifications

Sound levelAverage sound level at the driving position L PA = 84 dB (A)Test conditions with machine stationary on asphalted surface, engine running at 2200 rpm, work functions OFF.Sound emission in the environment by equipment for use outdoors according to Directive 2000/14/EC.Sound power level guaranteed for the machine L WA = 104 dB (A)DimensionsA Overall length 5700 mm (18' 8")B Operating width with RB E274 Screed 4750 mm (15' 7")with 2 extensions (0.425 m (17") optional 5600 mm (18' 5")C Overall height (with canopy - optional) 3340 mm (11')D Transport height (with fumes outlet pipe - optional) 2760 mm (9')Transport height (without fumes outlet pipe) 2600 mm (8' 5")Transport width (hoppers raised) 2500 mm (8' 2")E Hoppers width (hoppers open) 3130 mm (10' 3")Hoppers capacity5 cu m (10 ton)F Hoppers depth 1850 mm (6')G Wheelbase 1870 mm (6')CFDBEAGOptional EquipmentFolding operator's station canopy. It covers the entire width ofthe machine. The canopy can be lowered and raised manuallyfacilitating machine transportation.Sliding operator seats. The two operator seats, fitted on slidingplatforms, can be easily positioned outside the machine frameto further improve visibility.Grade control. Paddle-type grade control with small rigid skithat rides on the pavement surface.Ultrasound grade control. 5 non-contact ultrasound sensorsprovide full control for longitudinal grade. The system includesa digital control unit and a multiple ultrasound sensor thatdetects obstacles or breaks in the reference surface and providesa mean average of the surface on which it is operating.Combined ultrasound grade control. The system includes asingle control unit with a rigid ski in contact with the referencesurface and a non-contact ultrasound sensor incorporated formaximum flexibility.Slope control. Works together with the grade control to provideaccurate transverse slope checking of the mat.Digital slope control. Together with the grade controls providesaccurate transverse slope of the mat. The system also includes aremote LCD control that can be fitted to the front of the screed.6 m (19' 7") (Self-leveling ski for grade control. The selflevelingski rides on the pavement surface and provide a meanaverage on the surface on which it is operating.1 m (3' 3") paving width reduction elements. This featurereduces the paving width to 1 m (3' 3") with RB E274 screed.450 mm (18") extension boxes. Bolt-on vibrating mechanicalextensions for 5.60 m (18' 4") (2 elements) with RB E274 screed.Burners electronic ignition. One sensor constantly control thetemperature of the screed. The RB E274 screed is equippedwith electronic ignition and automatic smoothing platetemperature control.Proportional augers speed. Two ultrasonic wave detectorscontrol proportional augers movement and can be adjustedfrom the screed control boxes.Screed controls on console panel. Full screed controls areavailable on the operator station.Backup alarm. It is automatically activated when the machineis on reverse mode.Fumes extraction. A suction system helps remove asphaltfumes from the auger chamber area. The system complies withmandatory emissions requirements.BB 740 specifications7

© 2005 BitelliAll Rights Reservedwww.bitelli.comSP-293-00-0505-GB (05/05)Featured machines in photography may include optional equipment.Materials and specifications are subject to change without notice.