Target Audience:
        
        
            Massey Ferguson MF 135 and MF 148 tractor owners, mechanics, and restoration enthusiasts.
        
     
    
    
        
            Value Proposition:
        
        
            Provides professional-grade repair and maintenance information, saving significant labor costs.
        
     
    
    
        
            Completeness:
        
        
            The COMPLETE official full factory service repair manual.
        
     
    
        
            User Friendliness:
        
        
            Easy to use, with clear instructions and visual aids for all skill levels.
        
     
    
        
            Accessibility:
        
        
            Instant PDF download, no waiting for physical delivery.
        
     
 
    
    
    
    
    
    
    
    
    
    
    
        
            Differential Lock:
        
        
            Covered
        
     
    
        
            Electrical System:
        
        
            Covered
        
     
    
    
        
            Fenders Fuel Tank Platform:
        
        
            Covered
        
     
    
    
    
        
            Front Wheel Drive:
        
        
            Covered
        
     
    
        
            Hydraulic System:
        
        
            Covered
        
     
    
        
            Main Drive Bevel Gears Differential:
        
        
            Covered
        
     
    
    
        
            Power Steering System:
        
        
            Covered
        
     
    
    
    
    
    
    
        
            Estimated Pages:
        
        
            Hundreds of pages
        
     
    
    
        
            Type:
        
        
            Factory Service Repair Manual
        
     
    
        
            Authenticity:
        
        
            Actual Genuine Factory Manual
        
     
    
    
    
    
    
        
            Printability:
        
        
            Printable without restriction
        
     
    
        
            Digital Access:
        
        
            Downloadable
        
     
    
        
            Software Requirement:
        
        
            Adobe PDF Reader
        
     
 
    
    
    
        
            Engine Mechanics:
        
        
            Detailed coverage of engine overhaul, repair, and maintenance.
        
     
    
        
            Cooling System Components:
        
        
            Radiator, thermostat, water pump, hoses, and fan operation.
        
     
    
        
            Fuel Delivery And Injection:
        
        
            Fuel tank, lines, filters, pump, carburetor/injection system.
        
     
    
        
            Drivetrain Components:
        
        
            Transmission, clutch, differential, final drives, and PTO.
        
     
    
        
            Axle And Steering Systems:
        
        
            Front and rear axles, steering gear, and power steering.
        
     
    
        
            Braking Mechanism:
        
        
            Brake system operation, maintenance, and repair.
        
     
    
        
            Electrical Circuitry:
        
        
            Detailed wiring diagrams, starter, alternator, battery, and lighting.
        
     
    
        
            Hydraulic Actuation:
        
        
            Hydraulic pump, cylinder, control valves, and associated plumbing.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, lubrication schedules, and general checks.
        
     
    
        
            Troubleshooting Diagnostics:
        
        
            Advanced troubleshooting guide for identifying and resolving common and complex issues.
        
     
    
        
            Component Overhaul:
        
        
            Step-by-step instructions for rebuilding major components.
        
     
    
        
            Repair And Replacement:
        
        
            Detailed guidance for replacing worn or damaged parts.
        
     
    
        
            Adjustment And Calibration:
        
        
            Procedures for adjusting various systems for optimal performance.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, factory-level detail for technicians and knowledgeable owners.
        
     
    
        
            Documentation Style:
        
        
            Numbered instructions, detailed substeps, notes, cautions, and warnings.
        
     
    
        
            Visual Aids:
        
        
            Includes detailed illustrations, drawings, photos, and enlarged insets.
        
     
    
        
            Searchability:
        
        
            Searchable PDF functionality for quick information retrieval.
        
     
 
    
    
    
        
            Engine Family:
        
        
            Perkins Diesel (Commonly A3.152, AD3.152, AT3.152)
        
     
    
    
        
            Displacement Range:
        
        
            Approximately 2.5 Liters (152 cubic inches)
        
     
    
        
            Horsepower Range:
        
        
            MF 135: ~45 HP (PTO), MF 148: ~50 HP (PTO) (Varies by engine and configuration)
        
     
    
    
    
        
            Injection Type:
        
        
            Indirect injection (IDI) via CAV or Simms (or similar) injection pumps.
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Manual transmission (e.g., 6-speed or 12-speed Multi-Power transmission)
        
     
    
    
        
            Optional Gearbox:
        
        
            Multi-Power transmission (offered as an option on many models, providing a torque converter effect and powershift capabilities).
        
     
    
    
        
            Gear Selection:
        
        
            Provides multiple forward and reverse gears for various field operations.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 100-250 operating hours, depending on operating conditions and oil type. Refer to manual for exact intervals.
        
     
    
        
            Fuel Filter Replacement:
        
        
            Recommended at scheduled intervals, often with oil changes or as needed.
        
     
    
        
            Hydraulic Fluid Change:
        
        
            Typically every 500-1000 operating hours. Refer to manual for specific fluid type and change interval.
        
     
    
    
        
            Engine Oil:
        
        
            API CD/CE or equivalent, SAE 15W-30 or 10W-30 depending on ambient temperature. Refer to manual for exact specifications and capacities.
        
     
    
        
            Hydraulic Transmission Fluid:
        
        
            Massey Ferguson M-1127, M-1129A, or equivalent UTF (Universal Tractor Fluid). Refer to manual for specific type and capacity.
        
     
    
    
        
            Common Wear Points:
        
        
            Clutch wear, hydraulic system leaks, PTO engagement issues, and front axle wear.
        
     
    
        
            Engine Perkins Maintenance:
        
        
            Regular maintenance of the Perkins diesel engine, including fuel system and cooling system, is crucial for longevity.
        
     
 
    
    
    
        
            Massey Ferguson Legacy:
        
        
            Massey Ferguson is a historic manufacturer of agricultural machinery with a long-standing reputation for robust and reliable tractors.
        
     
    
    
        
            Mf 100 Series:
        
        
            The MF 135 and MF 148 are part of the highly successful MF 100 series, known for their versatility and widespread adoption in agriculture.
        
     
    
    
        
            Production Period:
        
        
            The MF 135 was primarily produced from 1964 to 1975. The MF 148 was produced from 1972 to 1978.