Target Audience:
Owners, mechanics, service technicians specializing in vintage Massey Ferguson tractors
Value Proposition:
Provides essential factory data for maintaining and repairing highly capable agricultural machinery, extending service life and optimizing performance.
Completeness:
Complete official factory documentation for all major systems.
Accessibility:
Instant PDF download for immediate use.
Printability:
Allows for convenient printing of specific sections or the entire manual.
Engine:
Detailed diagnostics, repair, overhaul, tuning for Perkins diesel engines (typical for these models)
Transmission:
Repair and maintenance of gearbox, clutch, PTO, and hydraulic systems
Hydraulics:
Operation, troubleshooting, repair of hydraulic pump, cylinders, valves, and auxiliary systems
Electrical System:
Wiring diagrams, component testing, starter, alternator, lighting, instrumentation troubleshooting
Chassis And Frame:
Frame inspection, repair, front axle, steering system service
Braking System:
Hydraulic brake system diagnostics, repair, adjustment
Cooling System:
Radiator, thermostat, water pump, fan service and repair
Fuel System:
Fuel injection pump (e.g., Simms, CAV), injectors, fuel lines, filtration service
Exhaust System:
Muffler, exhaust manifold, pipe repair and replacement
Power Take Off Pto:
PTO engagement, shaft, clutch and gearbox components
Operator Station:
Seat, controls, dashboard, cab (if applicable) maintenance
Preventative Maintenance:
Detailed schedules for fluid changes, filter replacements, lubrication
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults
Engine Repair:
Engine overhaul procedures, piston and ring replacement, cylinder head service, bearing replacement
Transmission Repair:
Gearbox disassembly and reassembly, clutch adjustment, synchronizer repair
Hydraulic System Repair:
Pump rebuilding, cylinder resealing, valve block service, system bleeding
Electrical Troubleshooting:
Component testing, circuit diagnostics using wiring diagrams
Brake System Service:
Brake pad/shoe replacement, hydraulic line repair, master cylinder overhaul
Torque Specifications:
Precise torque values for all critical fasteners
Depth:
Comprehensive factory-level detail, suitable for mechanics and experienced DIY users
Diagnostics:
Advanced diagnostic flowcharts and component testing procedures
Rebuilds:
Full engine and transmission rebuild instructions
Engine Manufacturer:
Perkins (commonly used in these models, e.g., 4.248, 6.354 variants)
Engine Type:
Naturally Aspirated, Diesel
Horsepower 670 Approx:
Approx. 60-70 HP (varies by specific engine variant)
Horsepower 690 Approx:
Approx. 70-80 HP (varies by specific engine variant)
Horsepower 698 Approx:
Approx. 80-90 HP (varies by specific engine variant)
Injection System:
Direct Injection (e.g., Simms Minimec, CAV DPA)
Engine Oil Grade:
API CD or CE, SAE 15W-40 (typical for period, consult manual for exact)
Engine Oil Capacity:
Approx. 8-10 liters (check manual for exact capacity based on engine)
Coolant Type:
Ethylene Glycol based antifreeze with corrosion inhibitors
Transmission Type Standard:
Manual Gearbox with potentially Multi-Power or Hi-Lo options
Transmission Type Optional:
Specific options like 12-speed or 16-speed transmissions might be available
Pto Speeds:
Typically 540 RPM and 1000 RPM PTO options
Transmission Oil Grade:
API GL-4, SAE 80W-90 or 85W-140 (check manual for specific compartment and temperature)
Transmission Oil Capacity:
Varies significantly, manual will specify precise capacities for gearbox, hydraulics, and diff lock (if applicable)
Wheelbase:
Varies by model, typically around 2200-2400 mm
Length:
Varies by model, typically around 3800-4200 mm
Width:
Varies by model and tire configuration, typically around 1800-2000 mm
Operating Weight Approx:
Approx. 3000-4000 kg (unladen, depends on configuration)
Front Tire Size:
Typically 7.50-16 or 9.50-16 (check manual)
Rear Tire Size:
Typically 16.9-30 or 18.4-30 (check manual)
Features:
Basic instrumentation (tachometer, temperature gauge, oil pressure light, fuel gauge), mechanical controls.
Features:
Mechanical PTO engagement, 3-point hitch controls, draft control (depending on hitch type and configuration).
Features:
N/A (No electronic connectivity features expected for this era of tractor)
Engine Oil Change Interval:
Typically every 250-500 operating hours (refer to manual for exact)
Fuel Filter Replacement:
Every 500 operating hours or annually
Air Filter Service:
Check and clean regularly, replace as needed (e.g., every 250 hours or annually)
Hydraulic Filter Replacement:
Typically every 1000-1200 operating hours
Common Wear Points:
Clutch wear, hydraulic pump or cylinder seals, PTO clutch pack, front axle kingpins
Electrical Faults:
Wiring harness degradation, starter motor issues, alternator charging problems
Engine Perkins Specific:
Potential for cylinder head gasket leaks, injector pump timing issues, glow plug reliability
Hydraulic Fluid Type:
Massey Ferguson approved UTF (Universal Tractor Transmission Oil) or equivalent suitable for hydraulics, wet brakes, and transmission (check manual for specific)