This workshop service manual provides comprehensive guidance for the MF 135 and MF 148 tractors, iconic utility machines renowned for their agricultural and general-purpose applications. These tractors, with the MF 135 produced from 1964 to 1975 and the MF 148 as a later, more powerful variant, are powered by the reliable Perkins 3-A-152 3-cylinder diesel engine. Known for their robust engineering and versatility, these models feature various transmission options including 6-speed, 8-speed, and Multipower systems, along with dual-clutch mechanisms. This manual is designed for tractor owners, mechanics, and restoration enthusiasts seeking detailed information on maintaining and repairing these durable machines. The scope of this 421-page English-language manual encompasses all major systems, including the engine, transmission, drivetrain, steering, hydraulics, brakes, and electrical systems. It offers detailed step-by-step instructions for maintenance, repair, disassembly, and assembly of components, alongside troubleshooting procedures for common issues. The manual covers regular maintenance schedules, fluid specifications, and provides in-depth coverage for engine and transmission rebuilds, as well as hydraulic system repairs. This resource aims to equip users with the professional technician-level knowledge necessary to ensure the optimal performance and longevity of their tractors. 🏷️ Basic Information Identification Make: Massey Ferguson Model: MF 135 / MF 148 Product Type: Workshop Service Manual Codes Vehicle Codes: MF 135, MF 148 👋 Introduction Market Position Market Position: The Massey Ferguson MF 135 and MF 148 are iconic utility tractors known for their reliability and versatility, widely used in agriculture and general-purpose tasks. This manual targets owners and operators seeking to maintain or repair these robust machines. Key Features Key Features: Extremely detailed, illustrated step-by-step instructions, professional technician quality, comprehensive troubleshooting assistance, covers all major systems. Illustrations: Illustrated with clear, step-by-step instructions and diagrams. Rebuild Quality: Provides information equivalent to what professional technicians and workshops use. Target Audience Target Audience: DIY tractor owners, mechanics, workshops, restoration enthusiasts. 📋 Manual Details Coverage Areas Manual Scope: Comprehensive service, repair, maintenance, and troubleshooting for Massey Ferguson MF 135 and MF 148 tractors. Page Count Page Count: 421 Manual Type Manual Type: Workshop Service Manual / Repair Manual / Factory Manual Language Language: English Format Format: PDF Download Delivery Method: Instant download post-payment. Download link provided on checkout page and via email. Limited download window (three days). Compatibility: Compatible with Windows 97, 2000, Me, XP, Vista, Windows 7, Windows 10, Linux, and Mac operating systems. Digital Rights: No restrictions on printing or saving/burning to disc. File Type Variations: May be delivered as .pdf, .zip, or .rar files. 📖 Manual Coverage Systems Covered Engine Systems: 3-A-152 Engine: General overview, engine removal, cooling system, fuel system, lubrication, troubleshooting. Transmission Systems: Dual Clutch, Multipower Transmission, 8-Speed Transmission, 6-Speed Transmission: Operation, maintenance, repair procedures, troubleshooting. Drivetrain Systems: Rear Axle, PTO (Power Take-Off), Front Axle: Disassembly, assembly, maintenance, adjustments, troubleshooting. Steering Systems: Steering System: Hydraulic steering, manual steering components, maintenance, repair, alignment. Hydraulic Systems: Hydraulics: Operation of hydraulic pump, control valves, lift arms, cylinders, troubleshooting hydraulic issues. Braking Systems: Brakes: Mechanical and hydraulic brake systems, adjustments, maintenance, repair. Electrical Systems: Electrical System: Wiring diagrams, battery, starter, alternator, lighting, instruments, troubleshooting electrical faults. Chassis And Bodywork: Frame & Cabs, Seats, Tin Work, Wheels: Body panel repair, frame inspection, seat mounting, wheel alignment, tire maintenance. Linkage And Drawbars: Three-point linkage system, drawbar adjustments, and related components for implement attachment. Cooling System: Radiator, fan, water pump, thermostat, coolant hoses, and system flushing procedures. Fuel System: Fuel tank, lines, filters, injection pump, injectors, glow plugs, and bleeding procedures. Wheels And Tires: Wheel removal and installation, tire inflation pressures, front and rear track width adjustments. Engine Components: Detailed breakdowns of engine components including pistons, rings, crankshaft, camshaft, valves, and bearings. Procedures Included Maintenance Procedures: Regular Maintenance, PDI & Installation: Scheduled servicing, lubrication points, filter changes, pre-delivery inspection, component installation. Repair Procedures: Engine Repair, Transmission Repair, Axle Repair, Hydraulic System Repair, Electrical System Repair: Detailed step-by-step instructions for component overhaul and replacement. Troubleshooting Procedures: Troubleshooting: Fault diagnosis for engine performance, transmission issues, hydraulic leaks, electrical problems, and mechanical failures. Diagnostic Procedures: Diagnostic Procedures: Methods for identifying the root cause of operational problems. Installation Procedures: Guidance for installing specific components or attachments. Restoration Guidance: Comprehensive information supporting tractor restoration projects. Rebuild Procedures: Detailed instructions for rebuilding major components like the engine, transmission, and hydraulic pump. Component Disassembly Assembly: Step-by-step guides for taking apart and putting back together all major tractor components. Pre Delivery Inspection: PDI (Pre-Delivery Inspection) and installation procedures are covered. Technical Depth Technical Depth: High. Covers detailed component breakdowns, rebuild procedures, and advanced diagnostic techniques suitable for professional technicians and experienced DIY users. Diagnostic Tools: Implies use of standard mechanical and electrical diagnostic tools as outlined in the manual. 📊 Manual Specifications File Format File Format: PDF Accessibility: Readable on computers, iPads, and other devices with a PDF reader. Requires unzipping for some files (WinZip/WinRAR...