Target Audience:
Farmers, agricultural contractors, and equipment technicians
Vehicle Class:
Agricultural tractor
Advantage:
Known for reliability, robust construction, and ease of servicing
Market Position:
Mid-range tractor competing with models from John Deere, Massey Ferguson, and Ford
Engine Power:
Approximately 80-90 hp depending on configuration
Transmission:
Manual with multiple gears (details in manual)
Hydraulics:
Robust hydraulic system for implements
Comfort:
Operator-friendly layout for long hours
Engine:
Complete engine service, overhaul, and repair
Transmission:
Gearbox, clutch, and driveline service
Hydraulic System:
Pumps, valves, cylinders, and steering
Electrical System:
Wiring diagrams, charging, starting
Brakes:
Brake system adjustment and repair
Steering:
Steering system maintenance and overhaul
Power Take-Off (PTO):
PTO clutch and shaft service
Fuel System:
Fuel injection pump, injectors, and lines
Cooling System:
Radiator, thermostat, and water pump
Exhaust System:
Exhaust manifold, turbocharger if applicable
Service:
Detailed step-by-step repair procedures
Adjustments:
Valve clearances, injection timing, clutch, brake
Disassembly & Assembly:
Component removal and installation instructions
Diagnosis:
Troubleshooting guides
Tightening Torques:
Specified torque values for fasteners
Special Service Tools:
Reference to required tools with illustrations
Complexity:
Comprehensive, intended for experienced mechanics and DIY persons
Illustrations:
Pictorial diagrams and exploded views
Specifications:
Factory specifications and allowable limits
Part Numbers:
OEM part numbers for components
Service Tool Numbers:
Specific tool references
Compatibility:
Windows, Mac, Linux
Requirements:
Adobe Reader (or similar PDF viewer)
Searchability:
Text searchable if the PDF contains text layer (not stated)
Printability:
All pages printable
Resolution:
High quality for clear printouts
Binding:
Digital - no physical binding
Paper Requirements:
Standard A4 or Letter for printing
Engine Model:
Valmet 420 DS (specifics in manual)
Displacement:
Approximately 3.3 liters (exact not specified)
Power:
Approximately 80-90 hp (exact not specified)
Engine Variants:
Perhaps turbocharged version available (not confirmed)
Rated Speed:
2200-2400 rpm (typical for era)
Fuel System:
Direct injection (likely)
Injection Pump:
Bosch or similar (manual details)
Injectors:
Standard diesel injectors
Crash Test Rating:
N/A - tractors are not crash tested
Brakes:
Service brakes on rear wheels
Steering:
Power steering (if equipped)
Rollover Protection:
ROPS (Rollover Protective Structure) likely standard
Seat Belt:
Standard operator seat belt
Engine Oil Change:
Every 250-300 hours (typical)
Transmission Oil:
Every 1000 hours or seasonally
Hydraulic Oil:
Check and replace as per manual
Engine Oil:
15W-40 (typical for diesel)
Transmission Oil:
SAE 80W-90 or similar
Hydraulic Fluid:
UTF (Universal Tractor Fluid)
Coolant:
Ethylene glycol based coolant
Known Issues / Common Wear Items
Common Issues:
Wear on injection pump seals, hydraulic leaks, electrical connections
Wear Items:
Belts, hoses, filters, brake linings
Manufacturer:
Valmet (Finland), later Valtra
Heritage:
Finnish engineering known for durability
Evolution:
Part of Valmet 6000 series; Valmet 6350 was a 1980s model
Successor:
Replaced by later Valtra models
