{"product_id":"tm4307-john-deere-985-combine-technical-manual","title":"TM4307 - JOHN DEERE 985 COMBINE TECHNICAL MANUAL","description":"\u003ch1\u003eDOWNLOAD COMPLETE TECHNICAL MANUAL FOR JOHN DEERE 985 COMBINE | PUBLICATION NUMBER - TM4307\u003c\/h1\u003e\n\u003cp\u003eThe TM4307 Technical Manual for the John Deere 985 Combine is an essential reference guide for operators, technicians, and maintenance personnel. This comprehensive manual delivers detailed specifications, operational procedures, and troubleshooting protocols specific to the 985 Combine model. Featuring technical diagrams, component breakdowns, and step-by-step instructions, it enables efficient machine operation and preventive maintenance. Whether you're performing routine service or diagnosing complex issues, this manual provides the authoritative documentation needed to maximize equipment performance and longevity. Ideal for agricultural professionals seeking reliable technical guidance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eCONTENT:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eGENERAL\u003cbr\u003eSpecifications and special tools\u003cbr\u003eGeneral information\u003cbr\u003ePredelivery inspection, delivery service and after-sales inspection\u003cbr\u003eLubrication and periodic service\u003cbr\u003eEngine and combine tune-up and adjustments\u003cbr\u003eCombine separation\u003cbr\u003eENGINE REPAIR\u003cbr\u003eand special tools\u003cbr\u003eCylinder head, valves, camshaft and balancer shafts (Engines 3179, 4239, 6359) (985 combines Serial no. --18432)\u003cbr\u003eCylinder head, valves and camshaft (Engine 6466) (985 combines Serial no. 18433--)\u003cbr\u003eCylinder block, liners, pistons and connecting rods (Engines 3179, 4239, 6359) (985 Serial no. --18432)\u003cbr\u003eCylinder block, liners, pistons and connecting rods, (Engine 6466) (985 combines Serial no. 18433--)\u003cbr\u003eCrankshaft, main bearings and flywheel (Engines 3179, 4239, 6359) (985 combines Serial no. --18432)\u003cbr\u003eCrankshaft, main bearings and flywheel (Engine 6466) (985 combines Serial no. 18433--)\u003cbr\u003eLubrication system (Engines 3179, 4239, 6359) (985 combines Serial no. --18432)\u003cbr\u003eLubrication system (Engine 6466) (985 combines Serial no. 18433--)\u003cbr\u003eCooling system (Engines 3179, 4239, 6359) (985 combines Serial no. --18432)\u003cbr\u003eCooling system (Engine 6466) (985 combines Serial no. 18433--)\u003cbr\u003eFan drive contershaft\u003cbr\u003eTiming gear train (Engines 3179, 4239, 6359) (985 combines Serial no. --18432)\u003cbr\u003eFUEL AND AIR REPAIR\u003cbr\u003e\u0026amp;nbsp;Specifications and special tools\u003cbr\u003eAir intake system\u003cbr\u003eFuel system\u003cbr\u003eFuel filter with water trap and electrical fuel transfer pump from serial no. 041201\u003cbr\u003eRoto Diesel fuel injection pump\u003cbr\u003eRoosa Master fuel injection pump\u003cbr\u003eRobert Bosch fuel injection pump\u003cbr\u003eRoosa Master fuel injection nozzles\u003cbr\u003eRobert Bosch fuel injection nozzles KDEL (21 mm)\u003cbr\u003eSpeed control linkage\u003cbr\u003eELECTRICAL SYSTEM\u003cbr\u003eSpecifications and special tools\u003cbr\u003eDiagnosing malfunctions\u003cbr\u003eElectrical system components\u003cbr\u003ediagrams and wiring harnesses\u003cbr\u003eStarting motor (Bosch)\u003cbr\u003eStarting motor (John Deere)\u003cbr\u003eAlternator (Bosch)\u003cbr\u003eAlternator (Delcotron)\u003cbr\u003eElectrical leveling control system (sidehill combines)\u003cbr\u003eMODIFIED ELECTRICAL EQUIPMENT ON COMBINES FROM SERIAL NO. 041201\u003cbr\u003eWiring harnesses and connectors\u003cbr\u003eElectrical circuits and wiring diagrams\u003cbr\u003eTesting individual circuits\u003cbr\u003eStarting motor\u003cbr\u003eAlternator\u003cbr\u003eComponents\u003cbr\u003eShaft low speed monitor system\u003cbr\u003eHarvestrak combine monitor - Functional description and tests\u003cbr\u003eHarvestrak combine monitor - Repair\u003cbr\u003eElectromagnetic transmission brake\u003cbr\u003ePOWER TRAIN\u003cbr\u003eSpecifications and special tools\u003cbr\u003eVariable ground speed drive\u003cbr\u003e\"Posi Torq\" ground drive\u003cbr\u003eEngine clutch and clutch linkage (932, 942, 952)\u003cbr\u003eEngine clutch and clutch linkage (955)\u003cbr\u003eEngine Clutch (955 to 1085)\u003cbr\u003efrom Ser. No. 044137\u003cbr\u003eReverser clutch, control and linkage\u003cbr\u003eHydrostatic drive\u003cbr\u003eFront axle (932, 942, 952)\u003cbr\u003eTransmission and differential (955 to 1085 Hydro\/4)\u003cbr\u003eFinal drives (955, 965, 975 to 1085 Hydro\/4)\u003cbr\u003eRice drives\u003cbr\u003eFinal drive (sidehill combines)\u003cbr\u003eTrack system\u003cbr\u003eBRAKES AND REAR AXLE\u003cbr\u003eSpecifications and special tools\u003cbr\u003eParking brake (932, 942, 952)\u003cbr\u003eParking brake (955 to 1085 Hydro\/4)\u003cbr\u003eFootbrakes (disk brakes acting on transmission)\u003cbr\u003eFootbrakes (with integrated slave cylinder)\u003cbr\u003eFootbrakes (disk brakes acting on front wheels)\u003cbr\u003eaxle\u003cbr\u003eRear axle (sidehill combines)\u003cbr\u003eV-support for wide rear axle\u003cbr\u003eHYDRAULIC SYSTEM\u003cbr\u003eSpecifications and special tools\u003cbr\u003eGeneral information, diagnosing malfunctions\u003cbr\u003eHydraulic symbols and system layout\u003cbr\u003ePressure tests\u003cbr\u003eHydraulic oil reservoir, filter, suction and pressure lines\u003cbr\u003eHydraulic pump and flow divider\u003cbr\u003eTandem (dual-gear) hydraulic pump\u003cbr\u003eTriple hydraulic pump\u003cbr\u003eSingle and three spool control valves\u003cbr\u003eSeven spool control valve\u003cbr\u003eSeven spool control valve (from serial no. 041201)\u003cbr\u003eHydraulic cylinders (up to a certain serial no.)\u003cbr\u003eHydraulic cylinders (from a certain serial no.)\u003cbr\u003eNitrogen accumulators\u003cbr\u003eHydrostatic steering\u003cbr\u003eHydraulic brakes\u003cbr\u003eHydraulic clutch control\u003cbr\u003eClutch operation with integrated slave cylinder\u003cbr\u003eTransmission brake\u003cbr\u003eHydraulic components (sidehill combines)\u003cbr\u003eHydraulic drive reel or belt pick-up system\u003cbr\u003eHydraulic reverser motor\u003cbr\u003eMISCELLANEOUS\u003cbr\u003eSpecifications and special tools\u003cbr\u003eGeneral information\u003cbr\u003eBearings and shafts\u003cbr\u003eBelts and chains\u003cbr\u003eOPERATOR'S PLATFORM AND CAB\u003cbr\u003eSpecifications and special tools\u003cbr\u003eCab ventilation\u003cbr\u003eAir conditioning system\u003cbr\u003eAir conditioning system components\u003cbr\u003eHeater\u003cbr\u003eOPERATOR'S PLATFORM WITH SG-2 CAB ( - 044136)\u003cbr\u003eSpecifications and special tools\u003cbr\u003eCab ventilation\u003cbr\u003eAir conditioning system\u003cbr\u003eCompressor\u003cbr\u003eSystem components\u003cbr\u003eCab heating system\u003cbr\u003eOperator's seat\u003cbr\u003eSG2 cab\u003cbr\u003eOPERATOR'S PLATFORM WITH SG-2 CAB (044137 - )\u003cbr\u003eCab ventilation\u003cbr\u003eAir conditioning system\u003cbr\u003eSystem service\u003cbr\u003eSystem testing\u003cbr\u003eCompressor\u003cbr\u003eSystem components\u003cbr\u003eCab heating system\u003cbr\u003eOperator's seat\u003cbr\u003eSG2 cab\u003cbr\u003eCUTTING PLATFORM AND CORN HEAD\u003cbr\u003eSpecifications and special tools\u003cbr\u003eGeneral information, diagnosing malfunctions\u003cbr\u003eCutting platform and knife drive\u003cbr\u003eSeries Platform\u003cbr\u003eVariable reel speed drive\u003cbr\u003eCorn head\u003cbr\u003eCorn head gear case\u003cbr\u003eFEEDER HOUSE\u003cbr\u003eGeneral information, diagnosing malfunctions\u003cbr\u003eFeeder drive\u003cbr\u003eFeeder house (with integrated cutting platform)\u003cbr\u003eFeeder house (with quick-tach cutting platform)\u003cbr\u003eFeeder house (with quick-tach cutting platform; from serial no. 041201)\u003cbr\u003eChain transmission - cutting platform drive\u003cbr\u003eHydraulic reverser\u003cbr\u003eSEPARATOR AND CLEANING UNIT\u003cbr\u003eSpecifications and special tools\u003cbr\u003eGeneral information, diagnosing malfunctions\u003cbr\u003eSeparator drive\u003cbr\u003eThreshing cylinder, variable cylinder drive\u003cbr\u003eCylinder drive reduction gear (up to serial no. 039866)\u003cbr\u003eCylinder drive reduction gear (from serial no. 039867)\u003cbr\u003eConcave\u003cbr\u003eBeater, beater variable drive\u003cbr\u003eCross shaker\u003cbr\u003eStraw walkers, cleaning shoe with sieves and fan\u003cbr\u003eELEVATORS, GRAIN TANK AND GRAIN TANK UNLOADING AUGERS\u003cbr\u003eGeneral information, diagnosing malfunctions\u003cbr\u003eElevator and auger drives\u003cbr\u003eClean grain auger and elevator\u003cbr\u003eLower tailings auger, elevator and upper auger\u003cbr\u003eGrain tank leveling auger and unloading auger\u003cbr\u003eOuter unloading auger and housing\u003cbr\u003eSPECIAL EQUIPMENT\u003cbr\u003eSpecifications and special tools\u003cbr\u003eStraw chopper with centrifugal and electric clutch\u003cbr\u003eStraw chopper with direct drive\u003cbr\u003eStraw spreader\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eTOTAL PAGE - 1697\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFILE FORMAT - PDF\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eLANGUAGE - ENGLISH\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"DIGITAL MANUAL DOWNLOAD","offers":[{"title":"Default Title","offer_id":45330837733554,"sku":"","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/4448\/5810\/files\/TM4307_-_JOHN_DEERE_985_COMBINE_TECHNICAL_MANUAL.png?v=1767336275","url":"https:\/\/www.digital-manual.com\/products\/tm4307-john-deere-985-combine-technical-manual","provider":"DIGITAL MANUALS","version":"1.0","type":"link"}