🏷️ Basic Information

Make:

Massey Ferguson

Model:

MF 135 / MF 148

Product Type:

Workshop Service Repair Manual

Product Format:

PDF Download

👋 Introduction

Segment:

Light to Medium Duty Utility Tractor

Historical Significance:

Iconic and highly popular tractors, known for their robustness and versatility.

Competitors:

Fordson Major, David Brown 780, International Harvester B450

Design Philosophy:

Simplicity, reliability, ease of maintenance.

Value Proposition:

Provides essential information for owners and technicians to maintain and repair these durable machines, extending their operational life.

📋 Manual Details

Main Coverage:

Massey Ferguson MF 135 and MF 148 Tractors

Estimated Pages:

Comprehensive (Exact page count not specified, but typically 500+ pages for such manuals)

Type:

Service and Repair Manual

Language:

English

Digital Format:

PDF

📖 Manual Coverage

Powertrain:

Engine, Transmission, Clutch, PTO, Final Drives, Differential

Chassis:

Steering, Brakes, Front Axle, Rear Axle, Suspension

Electrical:

Wiring Diagrams, Lighting, Ignition, Starting System, Charging System

Hydraulics:

Hydraulic System, Lift-O-Matic, External Hydraulics, Pump, Control Valves

Operators Controls:

Dashboard Instruments, Controls Layout, Pedal Functions

Bodywork:

Sheet Metal, Guards, Operator Station (Basic)

Maintenance:

Routine Servicing, Lubrication Schedules, Filter Changes, Greasing Points

Troubleshooting:

Diagnostic Procedures, Symptom Analysis, Fault Finding Charts

Repair:

Component Disassembly, Reassembly, Adjustments, Calibration

Rebuild:

Engine Overhaul, Transmission Rebuild, Hydraulic Pump Reconditioning

Depth:

Comprehensive: From basic adjustments and fluid changes to complete engine, transmission, and hydraulic system overhauls.

Diagnostics:

Advanced diagnostic procedures for electrical and hydraulic systems.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable, enabling quick navigation to specific topics.

Image Quality:

Variable depending on original source scan; aim for high-resolution scans with clear diagrams.

Binding:

Not Applicable (Digital PDF)

Paper Quality:

Not Applicable (Digital PDF)

⚙️ Engine Specifications

Engine Family:

Perkins AD3.152

Engine Type:

Diesel

Displacement:

2.5 Liters (152.7 cu in)

Cylinders:

3

Bore X Stroke:

91.5 mm x 114.3 mm (3.60 in x 4.50 in)

Horsepower Rated:

Approx. 45 hp (33.5 kW)

Torque Peak:

Approx. 118 lb-ft (160 Nm) at 1350 RPM

Engine Family:

Perkins 4.203 / 4.212

Engine Type:

Diesel

Displacement:

3.3 Liters (203 cu in) or 3.4 Liters (212 cu in)

Cylinders:

4

Bore X Stroke:

91.5 mm x 127 mm (3.60 in x 5.00 in)

Horsepower Rated:

Approx. 55 hp (41 kW)

Torque Peak:

Approx. 150 lb-ft (203 Nm) at 1200 RPM

Injection Pump:

Typically Simms or CAV Simms inline or rotary injection pumps.

Fuel Type:

Diesel Fuel

🔧 Transmission

Gearbox Type:

8-speed manual gearbox (4 forward gears, 2 ranges: Low and High, plus Reverse)

Overdrive Option:

Some models may feature an optional overdrive unit for higher road speeds.

Clutch:

Single-plate, dry clutch (or twin-plate on some high-horsepower variants).

Pto:

Multi-speed PTO (e.g., 540 RPM standard, optional 540/1000 RPM).

Differential Lock:

Standard rear differential lock.

📐 Dimensions

Length:

Approx. 124.6 inches (3165 mm)

Width:

Approx. 67.7 inches (1720 mm) at rear wheels

Height:

Approx. 83.5 inches (2120 mm) to top of exhaust pipe

Length:

Approx. 127 inches (3226 mm)

Width:

Approx. 70 inches (1778 mm) at rear wheels

Height:

Approx. 87 inches (2210 mm) to top of exhaust pipe

Operating Weight:

Approx. 3,900 lbs (1769 kg)

Operating Weight:

Approx. 4,500 lbs (2041 kg)

Wheelbase:

Approx. 74 inches (1880 mm)

Front Tire:

e.g., 6.00-16, 6.50-16

Rear Tire:

e.g., 11.2-28, 12.4-28, 13.6-28

🛡️ Safety Features

Operator Safety:

RoPS (Roll-Over Protective Structure) and seatbelt installation highly recommended and often mandatory for safe operation.

Brakes:

Mechanical drum brakes, often internal expanding shoe type. Independent braking for each rear wheel for tight turns.

Parking Brake:

Independent hand lever parking brake.

Operator Station:

Basic operator platform with controls, may have optional weather protection.

💡 Technology Features

Infotainment System:

Not Applicable (This is a mechanical tractor from the 1960s/1970s).

Driver Assistance Features:

Not Applicable (Basic mechanical controls only).

Connectivity Features:

Not Applicable.

🔧 Maintenance

Engine Oil Change:

Every 100-125 operating hours or annually.

Oil Filter Change:

At every engine oil change.

Air Cleaner Service:

Frequent service recommended, especially in dusty conditions (e.g., daily inspection, weekly cleaning/oiling).

Fuel Filter Replacement:

Every 250-500 operating hours or as needed.

Transmission Oil Change:

Every 500-1000 operating hours or annually.

Engine Oil:

API CD or CE rated diesel engine oil, SAE 15W-30 or 10W-30 (depending on climate). Typical capacity: 6.5 - 7.5 quarts (6.2 - 7.1 Liters).

Transmission Hydraulic Fluid:

Massey Ferguson Permazyme Universal Tractor Oil (UTO) or equivalent. Typical capacity: 14-16 gallons (53-60 Liters) for transmission and hydraulics.

Coolant:

Ethylene glycol based antifreeze/coolant. 50/50 mix with distilled water. Capacity: Approx. 12-14 quarts (11.4-13.2 Liters).

Common Problems:

Wear in PTO clutch, leaking hydraulic seals, starter motor issues, potential head gasket leaks on older engines, carburetor issues on gasoline variants (if applicable).

Lift System Problems:

Hydraulic pump wear, leaks in the three-point linkage system (often due to worn seals or cylinder issues).

📚 Vehicle History

Heritage:

Massey Ferguson, a long-standing manufacturer of agricultural machinery, has a rich history of innovation and reliability.

Mf 100 Series:

The MF 135 and MF 148 are part of the highly successful MF 100 series, which succeeded the popular MF 35 and MF 65 models.

Mf 135 Launch:

Introduced in 1964, the MF 135 became one of the best-selling tractors of all time, known for its ease of use and durability.

Mf 148 Launch:

The MF 148, often considered an evolution or higher-spec version of the MF 135, typically featured a more powerful four-cylinder engine and enhanced hydraulics, introduced later in the series.

Manufacturing Locations:

Primarily manufactured at Massey Ferguson's Banner Lane plant in Coventry, England, and also in France and other international locations.

Mf 135 Production:

1964 - 1975 (approx.)

Mf 148 Production:

1972 - 1978 (approx.)

🏆 Awards & Recognition

Industry Impact:

The MF 135 is widely recognized as one of the most successful and influential tractors of its era, contributing significantly to agricultural mechanization worldwide.

Reliability Reputation:

Excellent. Known for its robustness and longevity when properly maintained.

Manual Quality:

This service manual provides industry-standard repair procedures and technical data for Massey Ferguson tractors.