Target Audience:
Farm owners and operators needing a versatile, mid-range tractor for tillage, planting, and general farm tasks.
Market Segment:
Utility and row-crop tractor segment, approximately 120-130 HP class.
Advantages:
Durable construction, synchronized gearbox, hydraulic wet disc brakes, and reliable diesel engine; trusted by agricultural professionals.
Engine:
Diesel engine in the 120-130 HP range.
Transmission:
Synchronized gearbox.
Steering:
Hydraulic power steering.
Brakes:
Hydraulic wet disc braking system.
Topics Covered:
Complete service and repair instructions for engine, fuel system, turbocharger, electrical equipment, control center, and chassis.
Page Count:
Searchable PDF with extensive content (exact page count not specified).
Manual Type:
Service Repair Workshop Manual
Delivery Method:
Instant digital download
Engine:
Complete overhaul, disassembly, assembly, and troubleshooting for diesel engine.
Fuel System:
Fuel tank, pumps, injectors, and lines; service and calibration procedures.
Turbocharger:
Inspection, replacement, and troubleshooting.
Electrical System:
Wiring diagrams, starter, alternator, battery, lights, and sensors.
Control Center:
Operator controls, gauges, and cab components.
Chassis:
Frame, axles, steering, and suspension.
Transmission:
Gearbox, clutch, and driveline.
Hydraulic System:
Hydraulic pumps, valves, cylinders, and power steering.
Brake System:
Wet disc brakes, master cylinder, and lines.
Power Take-Off (PTO):
PTO assembly and drive.
Maintenance:
Scheduled maintenance, fluid checks, filter replacements, and adjustments.
Disassembly and Assembly:
Step-by-step instructions for major components.
Overhaul Procedures:
Complete engine and transmission overhaul details.
Fault Diagnosis:
Troubleshooting guides for common issues and error codes.
Wiring Diagrams:
Detailed electrical schematics.
Level of Detail:
Contains comprehensive specifications, clear diagrams, and illustrations for professional-level repairs.
Torque Specifications:
Provided for critical fasteners.
Special Tools:
References to dealer-level special tools where necessary.
Part Numbers:
Some manuals include factory part numbers; this manual is focused on service procedures.
File Type:
PDF (Portable Document Format)
Compatibility:
Works on any device with a PDF reader (PC, Mac, tablet, smartphone).
Requirements:
PDF viewer software
Searchability:
Fully searchable text for quick access to topics.
Print Quality:
High-resolution print-ready pages.
Binding Type:
Digital (no physical binding)
Paper Type:
N/A - digital product
Type:
Synchronized gearbox (manual)
Speeds:
Not specified exactly - refer to manual
Clutch:
Dry or wet clutch (refer to manual)
Options:
None specified for this model
Drivetrain:
2WD and 4WD versions likely available (common for tractors)
PTO:
Independent PTO (typical)
Wheelbase:
Not specified - refer to manual
Length:
Not specified - refer to manual
Width:
Not specified - refer to manual
Height:
Not specified - refer to manual
Curb Weight:
Not specified - refer to manual
Crash Test Ratings:
Not applicable (off-road vehicle)
Steering:
Hydraulic power steering for improved control
Brakes:
Hydraulic wet disc brakes for reliable stopping
Visibility:
Good visibility from operator station
Rollover Protection:
ROPS (Roll-Over Protective Structure) likely standard or optional
Seat Belts:
Operator seat belt typically present with ROPS
Engine Oil:
Change at intervals specified in manual (typically 100-200 hours)
Hydraulic Fluid:
Check and replace per manual schedule
Air Filter:
Clean or replace as needed
Engine Oil:
Refer to manual for recommended viscosity and API classification
Hydraulic Oil:
Refer to manual for appropriate hydraulic/transmission fluid
Coolant:
Ethylene glycol-based coolant
Known Issues / Common Wear Items
Common Issues:
Era-specific electronics and wiring may need attention; check wiring diagrams
Wear Items:
Brake discs, clutch discs, pump seals, and filters
Troubleshooting:
Manual includes diagnostic procedures for electrical and mechanical failures
Heritage:
Long-standing heritage in agricultural machinery manufacturing
Series:
1255 is part of a series of tractors
Predecessor:
Replaced earlier models (not specified)
Successor:
Followed by later Case IH models (not specified)
Plant:
Manufactured in North America (likely)
