{"product_id":"john-deere-3040-and-3140-tractor-tm4379-technical-manual-pdf","title":"JOHN DEERE 3040 AND 3140 TRACTOR TM4379 TECHNICAL MANUAL - PDF","description":"\u003ch1\u003eDOWNLOAD COMPLETE TECHNICAL MANUAL FOR JOHN DEERE 3040 AND 3140 TRACTOR | PUBLICATION NUMBER - TM4379\u003c\/h1\u003e\n\u003cp\u003eThis comprehensive technical manual covers the John Deere 3040 and 3140 tractors, providing detailed specifications, operation procedures, and maintenance guidelines. The TM4379 manual delivers expert-level documentation essential for operators, technicians, and service professionals. Access complete information on engine performance, hydraulic systems, transmission operation, and troubleshooting protocols. Ideal for anyone requiring authoritative reference material for these classic John Deere models. Available in PDF format for convenient digital access and printing.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eCONTENTS:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eENGINE\u003cbr\u003eSpecifications\u003cbr\u003eRadiator\u003cbr\u003e  FUEL AND AIR INTAKE SYSTEM\u003cbr\u003e Specifications and special tools\u003cbr\u003e General information, diagnosing malfunctions\u003cbr\u003e Fuel tank and water trap\u003cbr\u003e Cold weather starting aids\u003cbr\u003eSpeed control linkage\u003cbr\u003eAir cleaner\u003cbr\u003eELECTRICAL SYSTEM\u003cbr\u003eSpecifications and special tools\u003cbr\u003eDescription, diagnosing malfunctions and tests\u003cbr\u003eWiring harnesses\u003cbr\u003eControls and instruments\u003cbr\u003eLighting systems\u003cbr\u003eWiring diagrams\u003cbr\u003eStarting motor\u003cbr\u003eAlternator\u003cbr\u003ePOWER TRAIN\u003cbr\u003eSpecifications and special tools\u003cbr\u003eDescription ,operation and lubricating system\u003cbr\u003eClutch operating linkages\u003cbr\u003e Engine clutches\u003cbr\u003eHi-Lo shift unit\u003cbr\u003eCreeper transmission\u003cbr\u003e Transmission shift linkage\u003cbr\u003eSynchronized transmission and transmission oil pump\u003cbr\u003eDifferential\u003cbr\u003eFinal drives\u003cbr\u003eIndependent PTO\u003cbr\u003eFront PTO\u003cbr\u003eMechanical front wheel drive\u003cbr\u003eSTEERING SYSTEM AND BRAKES\u003cbr\u003eSpecifications and special tools\u003cbr\u003eHydrostatic Steering ( operating pressure: 12000 kPa; 120 bar; 1740 psi)\u003cbr\u003eHydrostatic Steering (operating pressure: 15000 kPa; 150 bar; 2180 psi)\u003cbr\u003eBrakes\u003cbr\u003eHYDRAULIC SYSTEM\u003cbr\u003eSpecifications and special tools\u003cbr\u003eDescription, diagnosing malfunctions and pressure tests\u003cbr\u003eOil reservoir, filter, valves and oil cooler\u003cbr\u003eHydraulic pumps\u003cbr\u003eRockshaft\u003cbr\u003eFront hitch\u003cbr\u003eSelective control valves ( spool type)\u003cbr\u003eSelective control valves (poppet valve type)\u003cbr\u003eHose couplers\u003cbr\u003eRemote cylinder\u003cbr\u003eSelective control valves ( tractors manufactured in Spain)\u003cbr\u003eMISCELLANEOUS\u003cbr\u003eSpecifications\u003cbr\u003eFront axle\u003cbr\u003eBelt pulley\u003cbr\u003eFront and rear wheels\u003cbr\u003eAxla trailer hitch\u003cbr\u003eTrailer hitch (height adjustable)\u003cbr\u003eOPERATOR'S CABS\u003cbr\u003eSpecifications and special tools\u003cbr\u003eAir conditioning system\u003cbr\u003eVentilation and heating\u003cbr\u003eOperator's seats\u003cbr\u003eOPU cab\u003cbr\u003eSG2 cab\u003cbr\u003eRoil guard\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eTOTAL PAGE - 1373\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":45447146078386,"sku":"","price":57.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/4448\/5810\/files\/JOHN_DEERE_3040_AND_3140_TRACTOR_TM4379_TECHNICAL_MANUAL_-_PDF.webp?v=1775998700","url":"https:\/\/www.digital-manual.com\/products\/john-deere-3040-and-3140-tractor-tm4379-technical-manual-pdf","provider":"DIGITAL MANUALS","version":"1.0","type":"link"}