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.
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
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.
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 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.
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).
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.
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.
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.
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.
