771D Quarry Truck

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Systems/ApplicationsThe 771D is designed for versatility.Machine Configuration Options.System Approach. The CaterpillarCaterpillar offers a variety of machine system approach means increasedconfiguration options to help meet efficiencies through common design.customer needs.Haul trucks, loaders, excavators,tractors, engines for generator sets andBody Options. Include a full line ofpumps – all designed by Caterpillar –standard and custom designs based onuse common components, parts andspecific customer preference, materialdesign. Commonality reduces customerdensity, loading tool and site conditions.parts stock, improves parts availability,Tire Options. A full line of tire options, reduces training/maintenance andrepresenting various manufacturers, is improves diagnostics. This systemoffered by Caterpillar to maximize approach adds up to lower cost-per-ton.performance and life for specific Dealer support is available to addressapplications.customer needs regardless of thecomponent.Attachments. Give the customer optionsto tailor trucks for specific applicationrequirements, including:■ Truck Production ManagementSystem.■ Automatic Retarder Control.■ Traction Control System.■ Custom product offerings.■ Muffler/exhaust diverter.Caterpillar Product Analysis Team(PAT). Combined with Caterpillarsoftware programs can assist customerswith detailed, application evaluation.Loader Match. Designed to work as partof a system, the 771D is best matched tothe following Caterpillar loaders:■ 980G – 5 pass/match.■ 988G – 4 pass/match.■ 5080/5090B – 5 pass/match.■ 375/385B ME – 4 to 5 pass/match.16
EngineBrakesBody HoistsCat 3408EGross Power 386 kW/518 hpFlywheel Power 363 kW/487 hpNet PowerISO 9249363 kW/487 hpEEC 80/1269 363 kW/487 hpMax. Torque2186 NmTorque rise 27%Bore137 mmStroke152 mmDisplacement18 Liters■■■■■These ratings apply at 2000 rpmwhen tested under the specifiedstandard conditions for the specifiedstandard.Net power advertised is the poweravailable at the flywheel when theengine is equipped with fan, aircleaner, muffler and alternator.No derating required up to 3050 maltitude.Complies with U.S. EnvironmentalProtection Agency Tier II emissionsregulations.Complies with Stage II EU EmissionsDirective 97/68/EC.Brake surfacefront 1395 cm 2rear 54 999 cm 2■ Brakes meet ISO 3450:1996standards up to 75 700 kg grossoperating weight.■ Retarding system continuous rating433 kW intermittent rating 895 kW.Final DrivesPlanetary, full-floating.RatioDifferential 2.74:1Planetary 4.80:1Total reduction 13.15:1Pump flowhigh idleRelief valve settingraiselowerBody raise timehigh idleBody lower time floatBody power downhigh idle■■417 L/min17 225 kPa3445 kPa7.5 Seconds8.3 Seconds8.3 SecondsTwin, two-stage, hydraulic cylindersmounted inside the main frame,double acting in second stage.Power raise in both stages and powerdown in second stage.SuspensionEffective cylinder strokefront234 mmrear149 mmRear axle oscillation ±8.5°Service Refill CapacitiesLitersFuel Tank 530Cooling System 113.5Crankcase 45Differentials and final drives 83SteeringTank 34System (includes tank) 56Brake/HoistHydraulic tank 133System (includes tank) 277Torque converter/transmissionSump 53System (includes sump) 72TransmissionMaximum travel speeds(standard 18.00-R33).Forwardkm/h1 12.62 17.23 23.34 31.45 42.56 57.3Reverse 16.6SteeringMeets ISO 5010-1992■ Turning diameter per ISO 7457-1997is 17 m.■ Machine clearance diameter perISO 7457-1997 (E) is 20.3 m.■ Steering angle (left or right) is39 degrees.■ Separate hydraulic system preventscross contamination.■ Steering wheel effort is low and cycletimes are reduced with dynamic, loadsensing, variable displacement pistontypesteering pump.771D Quarry Truck specifications17
Page 1 and 2: 771DQuarry Truck®Cat ® 3408E Engi
Page 3 and 4: Oil-Cooled, Rear Disc BrakesCaterpi
Page 5 and 6: Electronic Control Module (ECM).The
Page 7 and 8: Engine/Power Train IntegrationCombi
Page 9 and 10: Integrated Braking Control (IBC)Ele
Page 11 and 12: Truck Body - Flat FloorCaterpillar
Page 13 and 14: 771D Operator Station. Rated highly
Page 15: Ground Level Battery DisconnectSwit
Page 19 and 20: DimensionsAll dimensions are approx
Page 21 and 22: 3. From the intersection of the gro
Page 23 and 24: Standard EquipmentStandard and opti

771D Quarry Truck

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