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 4650 4850 Tractor Repair Technical Manual TM1354 On USB Drive 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 4650 Tractor John Deere 4850 Tractor Publication No. TM1354 Print Date: 1987 Pages: 1,406 Manual Contents: ____________________________ SECTION 10 – GENERAL Group 00 – Specifications Group 05 – Predelivery, Delivery and After-Sale Services Group 10 – Tune-Up Group 15 – Lubrication SECTION 15 – SEPARATION Group 05 – Front Axle Group 10 – Front-End Group 15 – Front-End and Engine Group 20 – Engine Group 25 – SOUND-GARD body and Roll-Gard Protective Structure Group 30 – Power Shift Clutch Housing Group 31 – QUAD-RANGE Clutch Housing Group 35 – Transmission Group 40 – Final Drives SECTION 20 – ENGINE Group 05 – Acquire Access to Cylinder Head, Valves and Camshaft Group 10 – Acquire Access to Cylinder Block, Liners, Pistons and Rods Group 15 – Acquire Access to Crankshaft, Main Bearings and Flywheel Group 20 – Acquire Access to Lubrication System Group 25 – Remove / Install Cooling System SECTION 30 – FUEL AND AIR SYSTEM Group 05 – Acquire Access to Air Intake System Group 10 – Acquire Access to Diesel Fuel System Group 15 – Speed Control Linkage SECTION 40 – ELECTRICAL REPAIR Group 05 – Harness Replacement Group 06 – Connector Repair Group 10 – Remove / Install Delco-Remy Charging Circuit Group 15 – Starting Circuit Replacement Group 25 – Lighting Circuit Repair Group 30 – INVESTIGATOR II Warning System And Digital Techometer Repair Group 31 – Gauge Cluster Instrumentation Repair Group 32 – Analog Tachometer Repair Group 35 – Accessories Circuits Repair SECTION 50 – POWER TRAIN – QUAD-RANGE Group 05 – Remove / Install Clutch Pressure Valve Housing Group 10 – Clutch Oil Pressure Regulating Valve Housing Group 15 – Clutch Operating Piston Housing Group 20 – PERMA CLUTCH Group 30 – QUAD-RANGE Planetary Group 35 – QUAD-RANGE Transmission Charge Pump Group 40 – Shift Lever Assembly Group 55 – PTO Gear Train Group 60 – Adjust PTO Clutch Rod Group 65 – Differential Group 70 – Removal / Install Differential Lock Valve and Adjust Lock Valve Release Bar Group 75 – Differential Lock Valve Group 80 – Final Drive SECTION 55 – POWER TRAIN – POWER SHIFT Group 05 – Remove / Install Traction Clutch Valve Housing Group 10 – Traction Clutch Valve Housing Group 15 – Remove / Install Transmission Control Valve Housing Group 20 – Transmission Control Valve Group 25 – Remove / Install Traction Clutch Group 30 – Traction Clutch and Drive Shafts Group 35 – Input Planetary Group 40 – Reduction Gear Train Group 45 – Output Planetary Group 50 – Speed Selector Assembly Group 55 – Charge Pump Assembly Group 60 – PTO Gear Train with MFWO Group 61 – PTO Gear Train without MFWD Group 65 – Adjust PTO Clutch Rod Group 70 – Differential Group 75 – Remove / Install Differential Lock Valve and Adjust Lock Valve Release Bar Group 80 – Differential Lock Valve Group 85 – Final Drive Group 95 – MFWD Gear Train Group 100 – MFWD Clutch Group 105 – MFWD Axle and Final Drive SECTION 60 – STEERING / BRAKES Group 05 – Remove / Install Power Steering Components Group 10 – Steering Column Group 15 – Metering Pump Group 20 – Steering Valve Group 25 – Steering Motor Group 30 – Steering Assist Cylinders (MFWD) Group 35 – Remove / Install Brake Valve and Brake Accumulator Group 40 – Brake Valve Group 45 – Brake Accumulator Group 50 – Bleeding Brakes and Testing Brake Accumulator Group 55 – Brake Pistons, Plates and Disks SECTION 70 – HYDRAULICS Group 05 – Remove / Install Main Hydraulic Pump Group 15 – Oil Filter Relief Valve Housing (QRT) Group 20 – Return Oil Filter Relief Valve Housing (PST) Group 25 – Remove / Install Attenuator Group 30 – Hydraulic Attenuator Group 35 – Remove / Install HYDRACUSHOINED Seat Valve Group 40 – Repair Hydra-Cushoined Seat Valve Assembly Group 45 – Pressure Control Valve Group 50 – Remove / Install Rockshaft Components and Lift Assist Cylinders Group 55 – Rockshaft Components Group 60 – Lift Assist Cylinders Group 65 – Draft Sensing Cylinders Group 70 – Hitch Components Group 75 – Remove / Install SCV Coupler and Levers Group 80 – SCV and ISO Coupler Group 85 – Remote Cylinder Group 90 – Hydraulic Oil Cooler and Thermal Bypass Valve Group 95 – Transmission-Hydraulic System Clean-Up Procedure SECTION 80 – MISCELLANEOUS Group 05 – Rear Wheels Group 10 – Front Axle SECTION 90 – OPERATOR STATION Group 05 – Air Conditioning System Group 06 – Air Conditioning System Service Group 10 – Heating System (description exceeds maximum possible length)