Target Audience:
Valtra 6550 Tractor owners, operators, mechanics, and agricultural repair businesses.
Manual Utility:
Essential for repair, maintenance, rebuilding, refurbishing, and restoration.
Content Advantage:
Provides the same information used by professional technicians.
Engine Systems:
Engine overhaul, fuel system diagnostics, lubrication, cooling system service, intake and exhaust system repair.
Transmission Systems:
Transmission service, clutch repair, gearbox overhaul, drivetrain components.
Hydraulic Systems:
Hydraulic pump service, cylinder repair, valve body diagnostics, fluid maintenance.
Electrical Systems:
Wiring diagrams, starter motor, alternator, battery service, lighting system repair, diagnostic procedures.
Chassis And Body:
Frame inspection and repair, steering system service, brake system maintenance, axle overhaul, cab components.
Maintenance:
Routine maintenance checks, lubrication schedules, filter replacement, fluid level checks and changes.
Repair:
Step-by-step repair procedures for all major systems, component rebuilding and replacement.
Troubleshooting:
Comprehensive diagnostic procedures, common fault identification, and solutions.
Diagnostics:
Electrical system diagnostics, mechanical troubleshooting, performance issue analysis.
Expertise Level:
Professional Technicians and Do-It-Yourself Mechanics
Detail Level:
Detailed sub-steps, notes, cautions, warnings, numbered instructions, detailed illustrations, enlarged insets.
Engine Type:
Diesel (Specific engine model/manufacturer not provided, but typical for Valtra tractors of this era would be Sisu/Valmet or similar).
Horsepower:
Approx. 80-90 HP (Typical range for Valtra 6550, specific rating varies by configuration and year).
Torque:
Not specified, but expected to be robust for agricultural work.
Injection System:
Likely mechanical or electronic injection, depending on the specific year and variant. Manual would detail.
Rollover Protection:
Likely ROPS (Roll-Over Protective Structure) equipped as standard or optional. Manual will cover safety features and maintenance.
Braking System:
Hydraulic disc brakes, potentially wet disc brakes. Manual covers inspection and service.
Cab Features:
May include features like safety glass and operator presence systems, detailed in the manual.
Operator Interface:
Basic dashboard indicators, PTO controls, hydraulic lever controls. Manual details operation and maintenance of these controls.
Power Take Off:
Multiple PTO speed options (e.g., 540/1000 RPM) controlled via mechanical or electronic engagement. Manual covers operation and service.
Electrical Connectors:
Standard agricultural electrical connectors. Manual includes detailed wiring diagrams for troubleshooting.
Engine Oil Change:
Typically 250-500 hours, or annually. Manual will provide precise intervals and Valtra-specified oil types.
Hydraulic Oil Change:
Generally 1000-1500 hours. Manual will specify Valtra-approved fluid specifications.
Engine Oil Type:
Valtra-specified SAE 15W-40 or 10W-40 diesel engine oil meeting API CG-4 or CH-4 standards is common. Manual will confirm exact specification.
Hydraulic Fluid Type:
Valtra-approved UTTO (Universal Tractor Transmission Oil) or specific hydraulic/transmission fluid. Manual will list part numbers and specifications.
Common Wear Items:
Hydraulic pump wear, clutch wear, electrical connector corrosion, and PTO clutch issues can be common on tractors of this age. The manual will address diagnosis and repair.
Diagnostic Challenges:
Tracing electrical faults and diagnosing hydraulic system performance issues can be complex; this manual's wiring diagrams and diagnostic procedures are crucial.
Manufacturer History:
Valtra, formerly Valmet, is a Finnish manufacturer known for its robust and reliable tractors, particularly for demanding agricultural and forestry applications.
6550 Lineage:
The Valtra 6550 belongs to Valtra's utility tractor range, often characterized by versatile functionality and user-friendly design. It succeeded or paralleled models in the 500/600 series.
Production Period:
Likely produced in the late 1990s to early 2000s, a period of significant development for Valtra.
