Target Audience:
Owners, operators, and service technicians of Case IH Farmall 105U tractors
Value Proposition:
Cost-effective solution for maintaining and repairing the Farmall 105U, reducing reliance on expensive dealer services
Content Focus:
Comprehensive repair procedures, detailed schematics, and diagnostic information
Benefit To Owner:
Empowers users to perform maintenance and repairs, extending tractor lifespan and minimizing downtime
Engine:
Detailed diagnostics, overhaul, fuel system, lubrication, cooling, exhaust, starting and charging systems
Transmission:
Removal, disassembly, assembly, adjustment, and troubleshooting of powershift and mechanical transmissions
Drivetrain:
Front and rear axle repair, differential service, driveshaft maintenance, PTO (Power Take-Off) system
Hydraulic System:
Hydraulic pump repair, valve body service, cylinder overhaul, circuit diagnostics, hydraulic fluid specifications
Electrical System:
Wiring diagrams, component testing, troubleshooting electrical faults, alternator, starter, battery, lighting systems
Brake System:
Hydraulic brake system diagnosis, repair, adjustments, parking brake service
Steering System:
Power steering pump and cylinder repair, linkage adjustments, steering column service
Operator Station:
Cab removal and installation, HVAC system (if applicable), control systems, operator comfort features
Body And Chassis:
Frame repair, fender and hood maintenance, hitch and drawbar service
Maintenance:
Scheduled maintenance, lubrication charts, filter replacement, fluid level checks
Troubleshooting:
Diagnostic flowcharts, fault code interpretation, common problem resolution
Repair:
Step-by-step overhaul procedures for all major components and systems
Installation:
Guidance on installing new or replacement parts and accessories
Adjustment:
Precise instructions for adjusting clutches, brakes, hydraulics, and other systems
Level Of Detail:
Comprehensive, suitable for professional technicians and experienced owner-operators
Diagnostic Capabilities:
In-depth diagnostic procedures, including electrical system testing and hydraulic circuit analysis
Rebuild Procedures:
Complete engine, transmission, and hydraulic component rebuild instructions
Engine Family:
FPT (Fiat Powertrain Technologies) NEF series
Engine Model Typically:
FPT F4AE series (e.g., F4AE0481A)
Displacement:
Approximately 4.5 liters (274 cubic inches)
Configuration:
4-cylinder, turbocharged, intercooled diesel
Gross Horsepower Rating:
Typically rated around 107 HP (may vary slightly by specific configuration)
Peak Torque:
Refer to specific model year documentation for exact figures, but generally in the range of 450-500 Nm
Fuel Injection:
Common Rail Direct Injection (CRDI)
Emissions Compliance:
Tier 3 / Stage IIIA or later, depending on market and production year
Transmission Type:
Powershift (e.g., 24x24 or 16x16 with powershift)
Transmission Type Option:
Synchromesh (e.g., 12x12 or 20x20) may be available on some variants
Clutch Type:
Wet multi-disc clutches for powershift
Pto Options:
Standard 540/1000 RPM PTO, potentially ground-speed PTO
Transmission Fluid Type:
UTC (Universal Tractor Transmission Fluid) or NH410B specification, consult manual for exact fill
Wheelbase:
Varies by configuration, but typically around 2400-2500 mm
Overall Length:
Varies, typically around 4200-4500 mm
Overall Width:
Varies by tire and fender configuration, typically around 1800-2000 mm
Overall Height:
Varies by cab and tire size, typically around 2600-2800 mm to top of cab
Operating Weight:
Approximately 4500-5000 kg (unballasted)
Max Allowable Weight:
Refer to specific model year documentation
Rollover Protection:
ROPS (Roll Over Protective Structure) equipped as standard
Seatbelt:
Seatbelt equipped
Braking System:
Hydraulic wet disc brakes
Lighting:
Standard work lights, turn signals, and hazard lights
Operator Station Design:
Designed for operator safety and visibility
Engine Oil Change:
Typically every 250-500 hours, or annually. Consult manual for exact interval and oil type.
Fuel Filter Replacement:
Typically every 500 hours or as recommended based on fuel quality
Hydraulic Fluid Change:
Typically every 1000-1500 hours. Refer to manual for specific fluid and filter change intervals.
Engine Oil Specification:
API CJ-4 or higher, SAE 15W-40 (check manual for specific viscosity and API rating)
Coolant Type:
Heavy-duty ethylene glycol-based antifreeze with DCA (DCA4 equivalent or higher)
Common Wear Items:
Clutch packs in powershift transmission, hydraulic pump wear, exhaust gas recirculation (EGR) system components (on later models)
Potential Electrical Issues:
Wiring harness chafing, sensor failures, dashboard warning light issues
Preventative Maintenance Tips
Air Filter Monitoring:
Regularly check and clean/replace air filter to ensure optimal engine performance and longevity
Brand History:
Case IH, a long-standing manufacturer of agricultural equipment, known for its Farmall lineage dating back to 1923
Farmall Lineage:
The Farmall U series represents a modern evolution of the iconic Farmall brand, focusing on versatility and operator comfort
Production Years For 105U:
Typically produced from the late 2000s through the mid-2010s, check specific year for exact range.
Manufacturing Location:
Primarily manufactured in Italy by CNH Industrial (parent company of Case IH)
