🏷️ Basic Information

Make:

Case IH

Model:

Farmall 105U

Product Name:

Case IH 105U Farmall Full Service Repair Manual PDF Download

Vehicle Platform Code:

Farmall U Series (likely based on McCormick MC/MX series ancestry)

👋 Introduction

Segment:

Utility Tractor

Target User:

Farmers, agricultural contractors, estate managers, heavy-duty users requiring reliable and powerful tractor performance.

Competitors:

John Deere 5E Series, New Holland T5 Series, Massey Ferguson 4700 Series, Kubota M Series.

Engine Power:

Approx. 105 engine horsepower (NEP), suitable for a wide range of agricultural tasks.

Transmission Options:

Available with Powershift or Synchro Shuttle transmissions for enhanced operational flexibility.

Hydraulic Capacity:

Robust hydraulic system capable of powering demanding implements.

Durability:

Known for Case IH's reputation for rugged construction and reliability in demanding field conditions.

Operator Comfort:

Designed for extended work periods with focus on operator station ergonomics and comfort.

📋 Manual Details

Engine:

Complete overhaul, diagnostics, fuel system, cooling system, lubrication system, intake and exhaust systems, starting and charging systems.

Transmission:

Powershift, Synchro Shuttle, PTO clutch, hydraulic powershift engagement, troubleshooting and repair of all gear and clutch assemblies.

Drivetrain:

Front-wheel drive (FWD) axle, rear axle, differential, final drives, driveshafts, PTO drivetrain.

Hydraulics:

Hydraulic pump, hydraulic system diagnostics, lift cover assembly, remote control valves, PTO hydraulic controls, power steering hydraulics.

Electrical:

Complete wiring diagrams, component testing, diagnostic procedures for sensors, actuators, lighting systems, starter, alternator, battery system.

Operator Station:

Dashboard, controls, HVAC system, seating, operator comfort features, safety interlocks.

Chassis And Body:

Frame, drawbar, fenders, hood, ballast weights, mounting points, general body repair.

Estimated Pages:

Over 1000 pages (typical for a full service manual of this type).

Type:

Full Service Repair Manual / Workshop Manual

Primary Language:

English

Delivery Method:

PDF Download

📖 Manual Coverage

Powertrain:

Engine, Transmission (Powershift/Synchro Shuttle), Front-Wheel Drive (FWD), Rear Axle, Power Take-Off (PTO).

Hydraulics:

Implement Hydraulics, Steering Hydraulics, Hydraulic Pump, Control Valves, Lift Cover.

Electrical System:

Starting and Charging, Ignition (if applicable to diesel), Lighting, Sensors, ECU Diagnostics, Wiring Diagrams.

Operator Controls And Safety:

Dashboard, PTO Controls, Gear Shifting, Safety Interlocks, HVAC.

General Maintenance:

Lubrication, filter changes, fluid checks and changes, greasing points, battery maintenance.

Engine Repair:

Overhaul, piston and ring replacement, bearing replacement, cylinder head service, valve adjustment, fuel injector testing and replacement, turbocharger service.

Transmission Repair:

Disassembly and reassembly of powershift and synchro shuttle transmissions, clutch replacement, gear set inspection and replacement, troubleshooting shifting issues.

Hydraulic System Troubleshooting:

Diagnosis of low flow, leaks, and control issues; pump testing, valve block service, cylinder resealing.

Electrical Diagnostics:

Component testing, circuit tracing, fault code diagnosis (if equipped with electronic controls), wiring repair.

Front-Wheel Drive (FWD) Service:

Axle overhaul, U-joint replacement, differential service.

Pto System Repair:

PTO engagement clutch service, PTO shaft and bearing replacement.

Depth:

Comprehensive: From routine maintenance and adjustments to complete engine, transmission, and hydraulic system overhauls. Includes detailed troubleshooting guides, diagnostic procedures, and specifications for repair and rebuilding.

📊 Manual Specifications

Format:

Adobe PDF

Searchable:

Likely searchable by text within the PDF (depends on source scanning quality).

Quality:

High-resolution digital scan, suitable for printing key sections or the entire manual.

Binding:

N/A (Digital PDF)

Paper:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Model:

Likely a Case IH FPT (Fiat Powertrain Technologies) engine, commonly the NEF series (e.g., 4.5L or 6.7L).

Engine Type:

Turbocharged, Intercooled, Diesel

Displacement:

Approx. 4.5 Liters (common for this power class, but could be up to 6.7L).

Rated Power Net Hp:

Approximately 105 HP (engine horsepower, PTO horsepower will be lower).

Peak Torque:

Likely in the range of 300-350 lb-ft (estimated, specific to variant).

Injection System:

Common Rail Direct Injection (CRDI) with electronic control.

Emissions Control:

Likely utilizes Diesel Oxidation Catalyst (DOC) and/or Diesel Particulate Filter (DPF) depending on emission standards of the model year.

Cooling Type:

Water-cooled, pressurized system with thermostat and fan.

Oil Type:

API CJ-4 or API CK-4 compliant 15W-40 or 10W-30 diesel engine oil.

🔧 Transmission

Transmission Type:

Available with Synchro Shuttle or Powershift transmission options.

Powershift Gears:

Typically a 16F x 16R or 20F x 20R Powershift transmission with clutchless shifting.

Synchro Shuttle Gears:

Often a 12F x 12R Synchro Shuttle transmission with a left-hand reverser.

Pto Options:

Standard 540/1000 RPM PTO, potentially with ground speed PTO.

Clutch Type:

Dual-clutch for powershift, single-stage clutch for Synchro Shuttle.

Transmission Fluid Type:

Case IH Hy-Tran Ultra or equivalent hydraulic/transmission fluid (UTTO).

Transmission Oil Capacity:

Approx. 15-20 Gallons (60-75 Liters), varies by specific configuration.

📐 Dimensions

Wheelbase:

Approx. 85-90 inches (2160-2286 mm) for standard configuration.

Overall Length:

Approx. 160-170 inches (4064-4318 mm) without front weights/loader.

Overall Width:

Approx. 70-80 inches (1778-2032 mm) at rear wheels.

Height To Cab:

Approx. 95-105 inches (2413-2667 mm).

Operating Weight:

Approx. 7,000 - 8,500 lbs (3175 - 3856 kg) without ballast or loader.

Max Allowable Weight:

Typically around 12,000 - 14,000 lbs (5443 - 6350 kg).

🛡️ Safety Features

Roll Over Protection:

ROPS (Roll-Over Protective Structure) compliant, typically with a safety frame or integrated cab.

Seatbelt:

Standard seatbelt installation on operator's seat.

Brakes:

Hydraulically actuated, wet disc brakes for reliable stopping power.

Parking Brake:

Mechanical or spring-applied parking brake.

Operator Station Design:

Ergonomically designed controls and visibility for safe operation.

Lighting:

Integrated work lights and safety beacon mounting points.

💡 Technology Features

Radio:

Basic AM/FM radio with optional CD player or auxiliary input.

Gauges And Displays:

Analog gauges for engine RPM, speed, fuel, temperature, and hour meter; digital display for selected parameters.

Cruise Control:

Engine speed cruise control (PTO speed and road speed) often available.

Pto Engagement:

Electro-hydraulic PTO engagement for smooth operation.

Telematics:

Basic wiring for optional beacon lights or GPS mounting, but typically no advanced CAN bus telematics unless a later model variant.

🔧 Maintenance

Engine Oil Change:

Typically every 250 hours or annually, whichever comes first. Consult manual for specific engine type.

Fuel Filter Replacement:

Every 500 hours or annually, depending on fuel quality.

Hydraulic Oil Change:

Every 1000-1500 hours or every two years.

Transmission Oil Change:

Every 1200-1500 hours.

Engine Coolant:

Heavy-duty ELC (Extended Life Coolant) with a 50/50 mix of coolant and distilled water. Typically OAT-based.

Hydraulic Fluid:

Case IH Hy-Tran Ultra (UTTO) or equivalent.

Common Wear Items:

Clutch packs (especially in powershift), hydraulic pump wear, FWD U-joints, EGR valve (on older diesel emissions systems).

Electrical Gremlins:

Wiring harness chafing in high-vibration areas, sensor failures (e.g., speed sensors, position sensors).

Transmission Shifting:

Slow or delayed engagement in powershift models can indicate issues with hydraulic solenoids or clutch packs.

📚 Vehicle History

Manufacturer History:

Case IH is a major American manufacturer of agricultural machinery, tracing its roots back to J.I. Case Company founded in 1842. Known for innovation and robust equipment.

Farmall Lineage:

The Farmall nameplate has a storied history dating back to the iconic red tractors of the early 20th century. The 'U' series represents a modern evolution focused on utility and value.

Production Period:

The Farmall 105U was primarily produced from the late 2000s through the mid-2010s, coinciding with updates to emission standards and technology.

Manufacturing Location:

Likely manufactured in plants in Europe (e.g., Italy) or North America, often utilizing FPT engines.

🏆 Awards & Recognition

Industry Awards:

Specific awards for the 105U Farmall are not widely documented, but Case IH tractors generally receive recognition for reliability and innovation in their respective classes.

Customer Satisfaction:

Customer satisfaction ratings are generally positive for Farmall series tractors, particularly regarding their robustness and value for money.