Manual on a USB thumb drive, also available on CD PDF copy of complete manual with ability to zoom in to see fine print that is hard to read in original copies as well as print pages you need. Comes to you on a USB thumb drive that can be opened on your computer or ipad with Adobe ( or other PDF reader ). John Deere 4050 4250 4450 4650 4850 Tractor Operation / Technical Manual TM1259 Click image to enlarge Description Manual comes on a new USB flash drive or if you prefer a CD in PDf format and works with any PDF Reader such as Adobe This manual contains all service, repair, maintenance troubleshooting procedures you need to keep your machine operating smoothly, contains step-by-step instructions, diagrams, illustrations, specifications and more, everything you need to save you money and do your own repairs. Covers the following: John Deere 4050 Tractor John Deere 4250 Tractor John Deere 4450 Tractor John Deere 4650 Tractor John Deere 4850 Tractor Publication No. TM1259 Print Date: 1987 Pages: 1,086 Manual Contents: ____________________________ SECTION 210 – GENERAL Introduction and Safety Information SECTION 220 – ENGINE OPERATION Group 05 – System Operation Group 10 – System Tests and Diagnosis SECTION 230 – FUEL / AIR OPERATION AND TESTS Group 05 – Air Intake System Group 10 – Diesel Fuel System Group 15 – Control Linkage SECTION 240 – ELECTRICAL SYSTEM Group 05 – Electrical System Information Group 06 – Phase I Electrical Wiring Diagrams Group 07 – Phase II Electrical Wiring Diagrams Group 10 – Electrical System Diagnosis Group 15 – Delcotron Charging Circuit Group 16 – John Deere Charging Circuit Group 20 – Starting Circuit Group 25 – Lighting Circuit Group 30 – INVESTIGATOR II and Digital Tachometer Group 31 – Gauge Cluster Instrumentation Group 32 – Analog Techometer Group 35 – Accessories Circuit Group 40 – PERFORMANCE TRAK I Radar Sensor System (Tachometer Version) Group 41 – PERFORMANCE TRAK II Radar Sensor System (Mini Monitor) Group 42 – PERFORMANCE TRAK III Radar Sensor System (Multi-Function Monitor) SECTION 250 – POWER TRAIN (PERMA-CLUTCH TRANSMISSION) Group 05 – QUAD-RANGE System Operation Group 10 – PERMA_CLUTCH Operation Group 15 – QUAD-RANGE Planetary Group 20 – QUAD-RANGE Eight-Speed Group 25 – Transmission Oil Pump Group 30 – Transmission Lubrication Valve Group 35 – Transmission Control Valves Group 40 – Differential and Final Drive Group 45 – SYNCRO-RANGE Transmissions Diagnosis SECTION 255 – POWER SHIFT TRANSMISSION Group 05 – Mechanical Operation Group 10 – Hydraulic Controls Group 15 – PTO, Differential and Final Drives Group 16 – Power Shift Transmission Diagnosis Group 20 – Mechanical Front Wheel Drive SECTION 260 – STEERING / BRAKES OPERATION AND TESTS Group 05 – 4050, 4250, and 4450 Power Steering Group 06 – 4650 and 4850 Power Steering Group 10 – Power Brakes SECTION 270 – HYDRAULIC OPERATION AND TESTS Group 05 – PERMA-CLUTCH Transmission Operation Group 10 – Power Shift Transmission Hydraulic System Operation and Tests Group 15 – Main Hydraulic Pump Group 20 – QUAD-RANGE Transmission Hydraulic Valves Group 25 – Power Shift Transmission Hydraulic Valves Group 30 – Pressure Control Valve Group 35 – HYDRACUSHIONED Seat Group 40 – Rockshaft Operation (4050, 4250, 4450) Group 45 – Rockshaft Operation (4650 and 4850) Group 50 – Selective Control Valve Group 55 – Remote Cylinder Group 60 – QUAD-RANGE Hydraulic Diagnosis Group 65 – Power Shift Transmission Hydraulic Diagnosis SECTION 290 – OPERATOR STATION OPERATIONS AND TESTS Group 05 – Air Conditioning System Group 10 – Air Conditioning System Tests – Introduction Group 11 – System Tests Without Timer Relay – Warning Lamps Group 12 – System Tests With Timer Relay – Warning Lamps Group 15 – Heating System Operation Tests Group 20 – HYDRACUSHIONED Seat SECTION 299 – SPECIAL TOOLS Group 05 – Purchased Tools Group 10 – Fabricated Tools Group 15 – Test Equipment Calibration If you would prefer a CD Disc rather than a USB drive please send a note with payment and I will prepare a disc for shipping. (USB drive may vary in color and style.) Attention: This listing complies with all rules and regulations. We own resale rights to it, or we are the publishers and sole copyright holders. No trademarks, copyrights or rules have been violated in this listing. This product fully conforms to compilation and international media policy. Shipping All packages will be shipped through first class mail with tracking information uploaded. First class shipping is included in your purchase price, I am also able to ship priority mail for a discounted fee of 4.00. ( Free and discounted shipping in the USA only.) I can ship worldwide for actual postage. If interested in more than one item, I will ship any order of 4 or more through priority mail at no extra charge. Terms of Sale I guarantee all of my items and if you have any questions or concerns please contact me before leaving feedback and I will work with you so everyone is happy. Get images that make Supersized seem small. 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