TANK, PUMP AND OIL COOLER SYSTEM (SCHEMATIC)VARIABLE DISPLACEMENT PUMPVALVES IN VARIABLE DISPLACEMENT PUMPSERVO VALVE CROSS SECTIONSERVO VALVE -668960012SERVO VALVE -668960013COMBINATION VALVE9J4818 VALVE GROUPSHYDRAULIC SYSTEM FOR STEERINGMETERING VALVE FOR STEERING -668960017SYSTEMS OPERATION -668960018CONTROL VALVEIMPLEMENT VALVE IN HOLD POSITIONIMPLEMENT VALVE FOR BLADE LIFT IN LOWER POSITIONLOCK CHECK VALVE -668960022Lock Check Valve -668960023HYDRAULIC SYSTEM AND STEERINGCircle RotationCONTROL VALVE ON RIGHT SIDEHOT OIL IN HYDRAULIC TANKMOTOR FOR CIRCLE DRIVECONTROL VALVE SECTIONValve for Flow ControlValve SpoolDUAL CROSSOVER RELIEF VALVE FOR STEERINGMETERING VALVE FOR STEERING -668960033SCHEMATIC OF STEERING CIRCUITSection II. SUPPLEMENTAL STEERING SYSTEMSUPPLEMENTAL STEERING WARNINGSAFTER ENGINE START-UP - WARNING CONDITIONSSUPPLEMENTAL STEERING SYSTEM ELECTRICAL SYSTEM (SCHEMATIC)ENGINE GOVERNOR SWITCHELECTRONIC CONTROL MODULE (SUPPLEMENTAL STEERING)SUPPLEMENTAL STEERING SYSTEM -668960041SUPPLEMENTAL STEERING HYDRAULIC SYSTEM IN OPERATION (SCHEMATIC) -668960042PRESSURE SENSING SWITCHSUPPLEMENTAL STEERING HYDRAULIC SYSTEM IN OPERATION (SCHEMATIC) -668960044RELIEF AND BY-PASS VALVESTROUBLESHOOTING INFORMATIONSUPPLEMENTAL STEERING SYSTEM -668960047SUPPLEMENTAL STEERING ELECTRICAL SCHEMATICELECTRICAL SYSTEM TROUBLESHOOTING (SUPPLEMENTAL STEERING)ELECTRICAL SYSTEM TROUBLESHOOTING (SUPPLEMENTAL STEERING) - continuedFUSE LOCATIONTroubleshooting -668960052SUPPLEMENTAL STEERING SYSTEM -668960053SUPPLEMENTAL STEERING SYSTEM - continuedTHREE SECOND POWER UP TEST IS OK.THREE SECOND POWER UP TEST IS OK - continued -668960056THREE SECOND POWER UP TEST IS OK - continued -668960057THREE SECOND POWER UP TEST IS OK - continued -668960058HYDRAULIC SYSTEM TROUBLESHOOTING (SUPPLEMENTAL STEERING)TESTING AND ADJUSTING -668960060SUPPLEMENTAL STEERING PUMPMAGNETIC SWITCHDUMP VALVE SWITCHSection III. HYDRAULIC SYSTEM SCHEMATICSection III. HYDRAULIC SYSTEM SCHEMATIC - continued -668960065Section III. HYDRAULIC SYSTEM SCHEMATIC - continued -668960066Section III. HYDRAULIC SYSTEM SCHEMATIC - continued -668960067Section III. HYDRAULIC SYSTEM SCHEMATIC - continued -668960068Section III. HYDRAULIC SYSTEM SCHEMATIC - continued -668960069Section IV. FLOW METER TEE TEST PROCEDURE-IX DESCRIPTIONINTRODUCTION -668960071SYSTEM TESTS (CHARTS A AND B) - cotninuedSYSTEM TESTS (CHARTS A AND B) - continued -668960073SYSTEM TESTS (CHARTS A AND B) - continued -668960074PUMP TEST (CHART C)PUMP TEST (CHART C) - continuedCylinders or Motor Blocked - continuedSection V. TEE TESTS TOOLSTEE TEST TOOLSPUMP SUPPLY LINE ADAPTERS -668960080CONNECTING HOSE ASSEMBLIESRETURN LINE ASSEMBLIESBLOCKING PLATE ASSEMBLIESPUMP SUPPLY LINE ADAPTERS -668960084ADAPTERS FOR THE 9S2000 & 5P3600 FLOW METERSection IX. LOW METER TEE TEST PROCEDURE-IXFLOW METER INSTALLEDBLOCKING LOCATION FOR SIDE SHIFT CYLINDERBLOCKING LOCATION FOR STEERING CIRCUITTEE-TEST PROCEDURE DATA SHEETTEE-TEST PROCEDURE DATA SHEET - continued -668960091TEE-TEST PROCEDURE DATA SHEET - continued -668960092TEE-TEST PROCEDURE DATA SHEET - continued -668960093TEE-TEST PROCEDURE DATA SHEET - continued -668960094HYDRAULIC SYSTEM TEE TEST SCHEMATICHYDRAULIC SYSTEM TEE TEST SCHEMATIC - continued -668960096HYDRAULIC SYSTEM TEE TEST SCHEMATIC - continued -668960097HYDRAULIC SYSTEM TEE TEST SCHEMATIC - continued -668960098HYDRAULIC SYSTEM TEE TEST SCHEMATIC - continued -668960099HYDRAULIC SYSTEM TEE TEST SCHEMATIC - continued -668960100Section VII. SPECIFICATIONS HYDRAULIC PUMP -668960102ADJUSTMENT OF SWASHPLATE BEARINGSADJUSTMENT OF SWASHPLATE BEARINGS - continuedDRIVE FOR HYDRAULIC PUMPCROSSOVER RELIEF VALVE FOR STEERING (3G7448)RELIEF VALVEFILTER AND TANKCHECK AND RELIEF VALVECHECK VALVECYLINDERSCYLINDERS - continued -668960112CYLINDERS - continued -668960113FRONT AXLE (5R6362)HITCH (Articulation) (8D2370)HITCHHYDRAULIC SYSTEM & STEERINGDRIVE FOR THE CIRCLEBLADE TIPChapter 2. VEHICLE SYSTEMSAIR SYSTEMSTESTING AND ADJUSTING -668960121TWO SECTION AIR TANKSCHEMATIC OF AIR SYSTEM AND BRAKES WITHINTRODUCTION -668960124SAFETY LEVER FOR PARKING BRAKE IN PARK POSITIONCENTERSHIFT LOCK PINElectric Warning SystemSYSTEMS OPERATION -668960128FLOW OF AIR DURING COMPRESSION CYCLE (Compressor Loaded)PURGE CYCLEFLOW OF AIR DURING PURGE CYCLE (Compressor Unloaded)AIR COMPRESSOR AND GOVERNORCONTROL VALVE FOR SERVICE BRAKESCONTROL VALVE FOR PARKING BRAKEQUICK RELEASE VALVE IN HOLD POSITIONPARKING BRAKE -668960136CONTROL VALVE FOR DIFFERENTIAL LOCKCENTERSHIFT CONTROL VALVE -668960138OPERATION CHECKSAIR SYSTEM AND BRAKES -668960140SERVICE BRAKES NOT RELEASING CORRECTLYAIR SYSTEM AND BRAKES -668960142BRAKE PEDAL FOR SERVICE BRAKESROTOCHAMBER FOR PARKING BRAKE2G6680 CONTROL VALVE FOR SERVICE BRAKESSection II. AIR COMPRESSORSFIGURE 1 - PISTONS & CONNECTING RODSFigure 2. INTAKE AND COMPRESSION (Loaded).REMOVING AND INSTALLINGREMOVING AND DISASSEMBLYCONNECTING ROD ASSEMBLIESCLEANING AND INSPECTION OF PARTSFigure 8. MEASURING CYLINDER BORESINLET VALVES AND SEATSCYLINDER HEAD ASSEMBLYTABULATED DATACOMPRESSOR TROUBLESHOOTING CHARTCOMPRESSOR TROUBLESHOOTING CHART - continued -668960158COMPRESSOR TROUBLESHOOTING CHART - continued -668960159COMPRESSOR TROUBLESHOOTING CHART - continued -668960160COMPRESSOR TROUBLESHOOTING CHART - continued -668960161Section III. SPECIFICATIONSAIR COMPRESSOR GOVERNORSERVICE BRAKESNEW AND USE AGAIN DIMENSIONS FOR PARTS IN SERVICE BRAKESPEDAL ADJUSTMENT FOR SERVICE BRAKESACTUATOR FOR PARKING BRAKEPARKING BRAKE -668960168CENTERSHIFT CONTROL VALVE -668960169STOPLIGHT SWITCHChapter 3. VEHICLE SYSTEMS DISASSEMBLY AND ASSEMBLYWHEEL LEAN AND CENTERSHIFT LOCK CHECK VALVESCIRCLE DRIVE AND BLADE SIDESHIFT LOCK CHECK VALVESARTICULATION LOCK CHECK VALVE, BLADE LIFT LOCK CHECK VALVE BLADE FLOAT PILOT VALVEBLADE FLOAT PILOT VALVEREMOVE BLADE LIFT LOCK CHECK AND RELIEF VALVEBLADE FLOAT CHECK VALVE -668960178BLADE LIFT LOCK CHECK AND RELIEF VALVE AND LOCK CHECK VALVESSTEERING RELIEF VALVE -668960180STEERING RELIEF VALVE -668960181STEERING PUMPDISASSEMBLE STEERING PUMPASSEMBLE STEERING PUMPASSEMBLE STEERING PUMP - continued -668960185ASSEMBLE STEERING PUMP - continued -668960186STEERING CYLINDERS -668960187INSTALL STEERING CYLINDERSREMOVE STEERING TIE RODFRONT WHEELSWHEEL SPINDLES -668960191WHEEL SPINDLES -668960192WHEEL SPINDLES AND WHEEL SPINDLE HOUSINGSINSTALL WHEEL SPINDLES AND WHEEL SPINDLE HOUSINGS -668960194INSTALL WHEEL SPINDLES AND WHEEL SPINDLE HOUSINGS -668960195WHEEL LEAN ARMSINSTALL WHEEL LEAN ARMSWHEEL LEAN BARINSTALL WHEEL LEAN BARWHEEL LEAN CYLINDERFRONT AXLEINSTALL FRONT AXLEBLADE LIFT CYLINDERS -668960203BLADE LIFT CYLINDERS, BALL AND SOCKET JOINT INSERTSBLADE LIFT ARMSINSTALL BLADE LIFT ARMSINSTALL BLADE LIFT ARMS - continuedCENTERSHIMFT LOCKINSTALL CENTERSHIFT LOCKREMOVE CENTERSHIFT LOCK CONTROL VALVEDISASSEMBLE CENTERSHIFT LOCK CONTROL VALVE -668960211REMOVE LIFT BARINSTALL BLADE LIFT BARINSTALL BLADE LIFT BAR - continuedREPLACE CENTERSHIFT REPLACE CENTERSHIFTREMOVE BLADE SIDESHIFT CYLINDERINSTALL BLADE SIDESHIFT CYLINDERREMOVE BLADE CENTERSHIFT CYLINDERREMOVE BLADE TIP CYLINDERREMOVE SWIVEL JOINTDISASSEMBLE SWIVEL JOINTASSEMBLE SWIVEL JOINTREMOVE BLADE (HYDRAULIC SIDESHIFT)REMOVE BLADE ASSEMBLYINSTALL BLADE ASSEMBLYREMOVE CIRCLEREMOVE CIRCLE DRAWBARINSTALL CIRCLE DRAWBARREMOVE CIRCLE DRAWBAR BOLTINSTALL CIRCLE DRAWBAR BOLTCIRCLE DRIVE MOTOR -668960231DISASSEMBLE CIRCLE DRIVE MOTORDISASSEMBLE CIRCLE DRIVE MOTOR - cotninuedASSEMBLE CIRCLE DRIVE MOTORASSEMBLE CIRCLE DRIVE MOTOR - continued -668960235ASSEMBLE CIRCLE DRIVE MOTOR - continued -668960236CIRCLE DRIVE MOTOR -668960237REMOVE CIRCLE DRIVEINSTALL CIRCLE DRIVEDISASSEMBLE CIRCLE DRIVEDISASSEMBLE CIRCLE DRIVE - continuedASSEMBLE CIRCLE DRIVEASSEMBLE CIRCLE DRIVE - continuedCIRCLE DRIVE -668960244COOLER PUMPDISASSEMBLE COOLER PUMPASSEMBLE COOLER PUMPREMOVE COOLER RELIEF VALVEREMOVE PUMP DRIVEREMOVE HYDRAULIC PUMPREMOVE HYDRAULIC PUMP - continuedINSTALL HYDRAULIC PUMPDISASSEMBLE HYDRAULIC PUMPHYDRAULIC PUMP -668960254HYDRAULIC PUMP - continued -668960255HYDRAULIC PUMP - continued -668960256HYDRAULIC PUMP - continued -668960257HYDRAULIC PUMP - continued -668960258HYDRAULIC PUMP - continued -668960259ASSEMBLE HYDRAULIC PUMPASSEMBLE HYDRAULIC PUMP - continued -668960261ASSEMBLE HYDRAULIC PUMP - continued -668960262ASSEMBLE HYDRAULIC PUMP - continued -668960263ASSEMBLE HYDRAULIC PUMP - continued -668960264REMOVE AND INSTALL CONTROL VALVESDISASSEMBLE CONTROL VALVESASSEMBLE CONTROL VALVESASSEMBLE CONTROL VALVES - continuedREMOVE COMBINATION VALVEDISASSEMBLE COMBINATION VALVEASSEMBLE COMBINATION VALVEASSEMBLE COMBINATION VALVE - continuedREMOVE BRAKE CONTROL VALVE.DISASSEMBLE BRAKE CONTROL VALVEDISASSEMBLE BRAKE CONTROL VALVE - continuedASSEMBLE BRAKE CONTROL VALVEASSEMBLE BRAKE CONTROL VALVE - continuedPARKING BRAKE ROTOCHAMBER PARKING BRAKE ROTOCHAMBERDISASSEMBLE PARKING BRAKE ROTOCHAMBERDISASSEMBLE PARKING BRAKE RELEASE VALVEREMOVE FUEL TANK,REMOVE ARTICULATION CYLINDERSDISASSEMBLE HYDRAULIC CYLINDERSASSEMBLE HYDRAULIC CYLINDERSASSEMBLE HYDRAULIC CYLINDERS - continuedHYDRAULIC CYLINDERSMAIN FRAMESSEPARATION OF MAIN FRAMESSEPARATION OF MAIN FRAMES - continuedCONNECTION OF MAIN FRAMESCONNECTION OF MAIN FRAMES - continuedREMOVE PIVOT PIN BEARINGSINSTALL PIVOT PIN BEARINGSINSTALL PIVOT PIN BEARINGS - continuedREMOVE REAR BUMPERVEHICLE SYSTEMS -668960296VEHICLE SYSTEMS - continued -668960297VEHICLE SYSTEMS - continued -668960298DISASSEMBLY AND ASSEMBLYVEHICLE SYSTEMS -668960300VEHICLE SYSTEMS - continued -668960301SCARIFIER CYLINDERREMOVE SCARIFIER TEETH AND SHANKSINSTALL SCARIFIER BLOCKSCARIFIER SLEEVE AND LINK ASSEMBLYREMOVE SCARIFIER DRAWBARSREMOTE CONTROL AIR PRESSURE REGULATOR ADJUSTMENTAir System Schematic Brake and SteeringWiring DisconnectsStarting Circuit Wiring, Remote ControlPart IV. OPERATORS STATIONChapter 1. OPERATORS STATION OPERATORS STATION AND ELECTRICAL SYSTEMPROTECTIVE ITEMSOPERATOR COMFORT ITEMSCIGAR LIGHTERCONTROL GROUPSDECELERATORARTICULATION -668960318ARTICULATION -668960319ELECTRICAL SCHEMATIC -668960320ELECTRICAL SCHEMATIC - continued -668960321ELECTRICAL SCHEMATIC - continued -668960322ELECTRICAL SCHEMATIC - continued -668960323ELECTRICAL SCHEMATIC - continued -668960324ELECTRICAL SCHEMATIC - continued -668960325ELECTRICAL SCHEMATIC - continued -668960326ELECTRICAL SCHEMATIC - continued -668960327ELECTRICAL SCHEMATIC - continued -668960328ELECTRICAL SCHEMATIC - continued -668960329ELECTRICAL SCHEMATIC - continued -668960330ELECTRICAL SCHEMATIC - continued -668960331INSTRUMENT PANEL (EMS)EMS PANEL TEST SWITCHINSTRUMENT GAUGE PANELELECTRICAL SYSTEM INSTRUMENT PANELOPERATOR'S PANEL CONSOLEELECTRICAL SYSTEM -668960337OPERATOR'S STATIONELECTRICAL TROUBLESHOOTING -668960339CODES AND ABBREVIATIONSELECTRONIC MONITORING SYSTEMTable 1. ELECTRONIC MONITORING SYSTEM SWITCHESTROUBLESHOOTING THE ELECTRONIC MONITORING SYSTEM (E.M.S.) OPERATOR PANELTEST ITROUBLESHOOTING -668960345TROUBLESHOOTING - continued -668960346TROUBLESHOOTING - continued -668960347TROUBLESHOOTING - continued -668960348ELECTRICAL TROUBLESHOOTING -668960349ELECTRICAL TROUBLESHOOTING - continued -668960350ELECTRICAL TROUBLESHOOTING - continued -668960351ELECTRICAL TROUBLESHOOTING - continued -668960352ELECTRICAL TROUBLESHOOTING - continued -668960353ELECTRICAL TROUBLESHOOTING - continued -668960354ELECTRICAL TROUBLESHOOTING - continued -668960355ELECTRICAL TROUBLESHOOTING - continued -668960356TEST IIIEngine Oil Pressure Indicator -668960358Engine Oil Pressure Indicator -668960359Engine Oil Pressure Indicator -668960360TEST IVTROUBLESHOOTING -668960362ELECTRICAL TROUBLESHOOTING -668960363ELECTRICAL TROUBLESHOOTING - continued -668960364OPERATOR PANELIndicator OnlyIndicator and Master Fault LightIndicator, Master Fault Light and Fault AlarmFigure 6. Brake Pressure CircuitFigure 1. Start CircuitFigure 3. Back-Up Alarm CircuitFigure 5. Start Aid CircuitFigure 8. Park Brake CircuitFigure 13. Blade Lamp CircuitFigure 14. Turn Signal CircuitDRIVING AND PANEL LIGHTS CIRCUITHEATER -668960377BLACK OUT DRIVING LIGHTS CIRCUITBLADE FLOATDIFFERENTIAL LOCKFigure 23. EMS CircuitELECTRICAL COMPONENT LOCATION AND IDENTIFICATIONELECTRICAL COMPONENT LOCATION AND IDENTIFICATION - continued -668960383ELECTRICAL COMPONENT LOCATION AND IDENTIFICATION - continued -668960384START AID CIRCUITBACK-UP WARNING GROUPChapter II. OPERATORS STATIONSEAT AND SEAT BELTSSEAT -668960389REMOVE PARKING BRAKE CONTROL VALVEPARKING BRAKE CONTROL VALVEDISASSEMBLE PARKING BRAKE CONTROL VALVEREMOVE TRANSMISSION CONTROL VALVEINSTALL TRANSMISSION CONTROLDISASSEMBLE TRANSMISSION CONTROLDISASSEMBLE TRANSMISSION CONTROL - continued -668960396DISASSEMBLE TRANSMISSION CONTROL - continued -668960397ASSEMBLE TRANSMISSION CONTROLASSEMBLE TRANSMISSION CONTROL - continued -668960399ASSEMBLE TRANSMISSION CONTROL - continued -668960400ASSEMBLE TRANSMISSION CONTROL - continued -668960401REMOVE ROLLOVER PROTECTIVE STRUCTUREINSTALL ROLLOVER PROTECTIVE STRUCTUREREMOVE AND INSTALL STEERING WHEELREMOVE ELECTRIC HORNINSTALL ELECTRIC HORNREMOVE AND INSTALL MONITOR PANELREMOVE GAUGE GROUPREMOVE CAB WINDOW GLASSINSTALL CAB WINDOW GLASSREMOVE AND INSTALL DISCONNECT SWITCHREMOVE AND INSTALL CENTERSHIFT LOCK CONTROL VALVEDISASSEMBLE CENTERSHIFT LOCK CONTROL VALVE -668960413Part V. MAINTENANCESAFETYWalk-Around InspectionCooling System -668960417GeneralSerial Number LocationsTire Inflation Information -668960420Lubricant SpecificationsRefill Capacities - ApproximateFuel SpecificationLubrication and Maintenance ChartLubrication and Maintenance Chart - continued -668960425Lubrication and Maintenance Chart - continued -668960426Drawbar Ball and Socket ClearanceBlade Circle-Measure Circle to Shoe ClearanceTo Adjust Circle to Shoe Clearance:To Adjust Rear Shoes: Circle Drive HousingFusesCutting Edge and End BitsFront Mounted Scarifier TeethBrakesAir Intake SystemCleaning Air Cleaner ElementsFuel System -668960437Priming the Fuel SystemSeat BeltSeat Belt - continuedEther Starting AidMoldboard- Wear StripsBladelift Cylinder SocketsCentershift Cylinder SocketsEngine CrankcaseAir ReservoirFront Mounted ScarifierCylinder Lean BearingsHydraulic System -668960449 EngineAlternator and Fan Drive BeltsBlade Lift Cylinders -668960452Heater -668960453Cooling System--Add Cooling System ConditionerEngine BreatherLower Articulation PivotTransmission and Differential Housing -668960457Transmission and Differential Housing - continuedTransmission and Differential Housing Filter Front Axle Lower BearingsFront Wheel Spindle Bearing HousingsTransmission and Differential Housing -668960462Hydraulic TankCooling System - Changing Antifreeze SolutionCooling System - Changing Antifreeze Solution - continuedTandem Drive HousingsEngine Valve LashAND REPAIR PARTS INSTRUCTIONSTractor ImageCATERPILLAR Model 13OGNSCE, Grader, Non-Sectionalized NSN 3805-01-252-0128CATERPILLAR Model 130GSCE, Grader, Sectionalized NSN 3805-01-251-8252 -668960471
CATERPILLAR Model 130GSCE, Grader, Sectionalized NSN 3805-01-251-8252 -668960472
CATERPILLAR Model 130GSCE, Grader,Non- Sectionalized NSN 3805-01-251-8252Section I. GENERALDescription.Operation ConceptPersonnel and TrainingSection II. MAINTENANCEShipment and StorageSection III. REPAIR PARTS SUPPLYSubmitting RequisitionsSection IV. SAFETYSection IV. SAFETY - continuedAppendix A. EQUIPMENT PUBLICATIONSAppendix C. MAINTENANCE ALLOCATION CHARTColumn entriesSECTION II. MAINTENANCE ALLOCATION CHARTSECTION II. MAINTENANCE ALLOCATION CHART - continued -668960491SECTION II. MAINTENANCE ALLOCATION CHART - continued -668960492SECTION II. MAINTENANCE ALLOCATION CHART - continued -668960493SECTION II. MAINTENANCE ALLOCATION CHART - continued -668960494SECTION II. MAINTENANCE ALLOCATION CHART - continued -668960495SECTION II. MAINTENANCE ALLOCATION CHART - continued -668960496SECTION II. MAINTENANCE ALLOCATION CHART - continued -668960497SECTION II. MAINTENANCE ALLOCATION CHART - continued -668960498SECTION II. MAINTENANCE ALLOCATION CHART - continued -668960499SECTION III TOOL AND TEST EQUIPMENT REQUIREMENTSSECTION III TOOL AND TEST EQUIPMENT REQUIREMENTS - continuedCCE Manufacturer Field Campaigns and Modification ProceduresBASIC ISSUE ITEMS LIST.Sample Form DA FORM 2765 PART NUMBER REQUESTAppendix G. SAMPLE FORM - MILSTRIP REQUISITION FOR (NSN)Appendix H. SAMPLE FORM - MILSTRIP REQUISITION FOR (NON-NSN) -668960506Appendix H. SAMPLE FORM - MILSTRIP REQUISITION FOR (NON-NSN) -668960507APPENDIX IINSTRUCTIONSAppendix J. MAINTENANCE AND OPERATING SUPPLY LISTORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - continuedUNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICESUNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES - continued -668960514UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES - continued -668960515TM-5-3805-263-14-P-3 Grader Heavy Road Motorized Diesel Engine Driven Type I (Nonsectionalized) Type II Sectionalized Manual