🏷️ Basic Information

Make:

Massey Ferguson

Model:

MF 135 / MF 148

Product Type:

Workshop Service Repair Manual

Vehicle Code:

MF 135, MF 148

👋 Introduction

Segment:

Compact utility tractors, widely used in agriculture, landscaping, and small farm operations.

Competitors:

Competed with tractors from manufacturers like Ford, John Deere, International Harvester, and David Brown during its production era.

Reliability:

Renowned for its robust construction, dependable Perkins diesel engines, and user-friendly design, making it a workhorse in its class.

Versatility:

Capable of a wide range of agricultural tasks through various implement attachments, including plowing, tilling, mowing, and PTO-driven machinery.

📋 Manual Details

Coverage:

Comprehensive repair and service for Massey Ferguson MF 135 and MF 148 tractors.

Page Count:

Estimated 400+ pages (typical for this model range).

Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine:

Detailed information on Perkins diesel engines (e.g., AD3.152, AT4.203), including disassembly, assembly, inspection, troubleshooting, and overhaul procedures.

Transmission:

Complete coverage of the manual transmission, including clutch, gearbox, differential, and PTO (Power Take-Off) unit. Includes overhaul and adjustment procedures.

Hydraulics:

In-depth coverage of the Ferguson System (e.g., Multi-Power, hydraulic lift system, hydraulic pump, control valves, hydraulic cylinders). Includes troubleshooting, testing, and repair.

Electrical:

Wiring diagrams, starter motor, alternator, battery, lighting system, ignition system (if applicable), and dashboard instruments.

Steering:

Manual steering system, including steering box, linkages, and kingpins. Power steering system for models equipped with it.

Brakes:

Brake system components, including brake shoes, drums, master cylinder, slave cylinders, and linkages. Adjustment and overhaul procedures.

Front Axle:

Front axle assembly, including kingpins, wheel bearings, and steering components. Four-wheel-drive front axle details for relevant variants.

Rear Axle:

Rear axle housing, final drives, and differential assembly. Includes inspection and repair of axle components.

Cooling System:

Radiator, water pump, thermostat, and cooling fan. Flushing and leak testing procedures.

Fuel System:

Fuel tank, fuel lines, fuel filter, injection pump, and injectors. Troubleshooting fuel delivery issues.

Exhaust System:

Exhaust manifold, pipe, muffler, and support brackets. Inspection for leaks and damage.

Bodywork:

Fenders, hood, grille, instrument panel, seat, and chassis. Minor body repair and adjustment.

Routine Maintenance:

Oil changes, filter replacements, lubrication points, greasing schedule, air cleaner service, cooling system flushing, battery maintenance.

Engine Repair:

Engine disassembly, inspection of internal components (pistons, rings, bearings, crankshaft, camshaft), cylinder head repair, valve adjustment, timing belt/chain replacement, seal and gasket replacement.

Transmission Repair:

Clutch replacement, gearbox disassembly and reassembly, synchronizer inspection, bearing replacement, seal replacement, differential overhaul.

Hydraulic Repair:

Hydraulic pump testing and repair, control valve overhaul, cylinder seal replacement, hydraulic filter replacement, bleeding the hydraulic system.

Electrical Troubleshooting:

Diagnosing starting problems, charging system faults, lighting issues, and instrument malfunctions using wiring diagrams.

Brake Adjustment And Repair:

Brake shoe adjustment, master cylinder and wheel cylinder replacement, brake line inspection and replacement.

Steering System Service:

Steering box adjustment, tie rod end replacement, wheel alignment checks, power steering system troubleshooting.

Troubleshooting Guides:

Systematic diagnostic charts for common problems related to engine performance, starting issues, hydraulic operation, and transmission shifting.

Special Tools:

Identification and usage of specialized tools required for specific repair operations.

Depth:

Comprehensive workshop level, suitable for mechanics and experienced DIY users. Covers complete overhaul and rebuilding of major components.

📊 Manual Specifications

Quality:

High-resolution PDF with clear, legible text and diagrams. Searchable content for efficient information retrieval.

Printability:

Designed for easy printing of individual pages or sections as needed.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Family:

Perkins Diesel

Mf 135 Engine Options:

Primarily Perkins AD3.152 (3-cylinder diesel). Some variants may have gasoline engines.

Mf 148 Engine Options:

Primarily Perkins AT4.203 (4-cylinder diesel).

Mf 135 Hp Approx:

Approximately 45-50 PTO horsepower (engine horsepower slightly higher).

Mf 148 Hp Approx:

Approximately 60-65 PTO horsepower.

Injection System:

Typically Lucas/CAV or Simms inline fuel injection pumps.

Fuel Type:

Diesel (for diesel variants)

🔧 Transmission

Gearbox Type:

Manual transmission with multiple speed options. Common configurations include 4-speed, 6-speed, or 8-speed gearbox.

Multi Power:

Optional 'Multi-Power' (or Hydroshift) transmission providing on-the-go gear changes in two ranges.

Pto:

Standard 540 RPM PTO, with some variants offering a 540/1000 RPM PTO.

Clutch:

Dry single-stage or dual-stage clutch, depending on the PTO configuration.

📐 Dimensions

Wheelbase:

Approx. 72 inches (1830 mm).

Length:

Approx. 120-130 inches (3050-3300 mm).

Width:

Approx. 65-70 inches (1650-1780 mm).

Operating Weight:

Approx. 3,500 - 4,500 lbs (1588 - 2041 kg).

Drawbar Capacity:

Varies, but designed for moderate draft loads.

🛡️ Safety Features

Rollover Protection:

ROPS (Roll-Over Protective Structure) was often an optional extra or retrofitted, not always standard from the factory.

Brakes:

Independent rear wheel brakes, often with parking brake functionality.

Lighting:

Headlights, taillights, and brake lights for visibility.

💡 Technology Features

Features:

Basic dashboard instrumentation including tachometer, engine temperature gauge, oil pressure warning light, and battery charge indicator.

Features:

None in the modern sense. Relies on mechanical controls and operator skill.

Features:

N/A

🔧 Maintenance

Engine Oil Change:

Typically every 100-150 operating hours or annually.

Oil Filter Change:

Replace with engine oil change.

Fuel Filter Change:

Replace every 200-250 operating hours or as needed.

Air Filter Service:

Check and clean/replace every 50-100 operating hours, depending on operating conditions.

Engine Oil Type:

API CE/SF or ACEA E1/E2, SAE 15W-30 or 20W-40 (check manual for exact recommendation based on climate).

Engine Oil Capacity:

Approx. 5-7 quarts (4.7-6.6 liters) depending on engine variant.

Transmission Hydraulic Fluid:

Use approved tractor transmission oil (e.g., Massey Ferguson approved Universal Tractor Transmission Oil - UTTO) or SAE 80W-90 gear oil for gearbox and hydraulics.

Coolant Type:

Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio) for freeze protection and corrosion inhibition.

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic fluid for clutch and brake master cylinders (if separate).

Clutch Wear:

Clutch wear is common with age and usage; replacement procedures are detailed in the manual.

Hydraulic Leaks:

Common leaks can occur at hydraulic pump seals, control valve seals, and cylinder seals. Manual provides troubleshooting and replacement guides.

Diesel Injection Pump Timing:

Incorrect injection pump timing can lead to poor performance and starting issues; manual details timing procedures.

Electrical Connections:

Corroded or loose electrical connections can cause intermittent faults; manual includes wiring diagrams for diagnosis.

Perkins Engine Glow Plugs:

Glow plugs can fail, causing hard starting in cold weather; manual details their testing and replacement.

📚 Vehicle History

Heritage:

Massey Ferguson is a historic British brand with a long legacy in agricultural machinery, known for innovation and robust designs.

Predecessors:

The MF 135 succeeded models like the MF 35 and was a highly popular tractor globally.

Successors:

The MF 135 and MF 148 were part of Massey Ferguson's highly successful '100 series' and were eventually succeeded by models like the MF 300 series.

Production Years:

MF 135: ~1964-1975. MF 148: ~1972-1975.

Manufacturing Locations:

Primarily manufactured in the UK (Coventry, England) and France.

🏆 Awards & Recognition

Industry Reputation:

The MF 135 and MF 148 are widely recognized as iconic and highly reliable tractors, considered benchmarks in their class for durability and performance.

User Reviews:

Consistently receive high ratings from users for their ease of operation, repairability, and longevity.