🏷️ Basic Information

Make:

International Harvester

Model:

Farmall 404 & 2404

Product Type:

Service Repair Manual

Format:

PDF Download

👋 Introduction

Market Position:

Essential technical documentation for owners, mechanics, and restorers of International Harvester Farmall 404 and 2404 tractors, providing critical repair and maintenance guidance.

Value Proposition:

Offers a highly detailed and illustrated resource for DIY repairs and professional servicing, bridging the gap for hard-to-find technical information on these classic tractors.

Key Features:

Instant download, comprehensive system coverage, illustrated instructions, troubleshooting guidance.

📋 Manual Details

Coverage:

Comprehensive service and repair for International Harvester Farmall 404 and 2404 tractors.

Page Count:

Unknown (stated as potentially large, up to 4000 MB)

Manual Type:

Service Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Systems:

Belt Pulley, Brakes, Carburetor, Clutch, Cooling System, Differential, Engine, Final Drive, Front System, Governor, Hydraulic System, Power Steering System, Power Takeoff (PTO), Rear Axle, Steering Gear, Transmission.

Procedures:

Repair, service, restoration, maintenance, rebuilding, troubleshooting, diagnostics.

Depth:

Detailed step-by-step instructions with illustrations for comprehensive repair and maintenance.

📊 Manual Specifications

File Format:

PDF

Print Quality:

Printable on Windows, Linux, or Mac computers. Quality dependent on user's printer.

Binding Type:

Digital Download (No physical binding)

Paper Type:

Not Applicable (Digital)

⚙️ Engine Specifications

Engine Model:

International Harvester C-263 (Gasoline/LP) or C-221 (Diesel)

Engine Type:

Inline Diesel / Gasoline / LP Gas

Displacement Gasoline:

221 cubic inches (3.6 L)

Displacement Diesel:

263 cubic inches (4.3 L)

Bore Gasoline:

3.4375 in (87.3 mm)

Stroke Gasoline:

4.0 in (101.6 mm)

Bore Diesel:

3.875 in (98.4 mm)

Stroke Diesel:

4.5 in (114.3 mm)

Compression Ratio Gasoline:

7.5:1

Compression Ratio Diesel:

21.0:1

Horsepower Gasoline:

Approx. 50 PTO HP

Horsepower Diesel:

Approx. 57 PTO HP

Fuel System Gasoline:

Marvel-Schebler TSX365 or similar carburetor

Fuel System Diesel:

Roosamaster or IH distributor type injection pump

Cooling System:

Water-cooled, pressurized system with fan

Oil Capacity:

7 US quarts (6.6 L) with filter

Recommended Oil:

Refer to manual for specific grades, typically API Service SG or higher for gasoline, CD or higher for diesel.

Ignition System:

Battery ignition with distributor and coil (Gasoline)

Governor Type:

Mechanical, variable speed governor

Air Cleaner:

Oil-bath type air cleaner

Exhaust System:

Manifold and muffler system

Starter Type:

Electric starter

Alternator Charging System:

12-volt alternator

Engine Timing:

Ignition timing and valve timing specifications are critical and detailed in the manual.

Spark Plug Type Gasoline:

Champion H-10 or equivalent, with specified gap.

Glow Plug Type Diesel:

Electric glow plugs for cold starting.

🔧 Transmission

Transmission Type:

Constant mesh, sliding gear transmission

Number Of Gears:

8 forward, 2 reverse

Clutch Type:

Dry, single-plate clutch (also dual-clutch for independent PTO)

Clutch Pedal Free Play:

Approximately 0.75 to 1 inch (19-25 mm)

Transmission Fluid Capacity:

Approximately 15 US quarts (14.2 L)

Recommended Transmission Fluid:

IH Hy-Tran Fluid or equivalent UTF (Universal Tractor Transmission Fluid)

Differential Lock:

Optional differential lock, foot pedal operated

Power Takeoff Pto:

Standard 540 RPM PTO, available with independent PTO (IPTO) option

Rear Axle Type:

Heavy-duty, final drive reduction gears

Brake Type:

Internal expanding shoe brakes, operated by foot pedals (differential brakes)

Brake Fluid Spec:

Brake system typically uses transmission fluid. Refer to manual for specific type.

Parking Brake:

Hand lever operated, typically locking transmission.

📐 Dimensions

Wheelbase:

Approximately 81 inches (2057 mm)

Length:

Approximately 127 inches (3226 mm) without implements

Width:

Approximately 67 inches (1702 mm) at rear wheels, variable

Height:

Approximately 58 inches (1473 mm) to top of steering wheel

Ground Clearance:

Approximately 15.5 inches (394 mm) at drawbar hitch

Weight Approx Unloaded:

Approximately 4300 lbs (1950 kg)

Front Tire Size:

6.00-16 (standard)

Rear Tire Size:

13.6-28 (standard)

Wheel Bolt Pattern Rear:

Typically 6-stud, 7.5 inch bolt circle

Tread Width Rear:

Adjustable, typically 60-80 inches

🛡️ Safety Features

Safety Features Inherent:

Operator presence control (clutch disengagement), differential brakes for maneuverability.

Operator Station:

Open operator station, operator protection (ROPS/FOPS) not standard but can be retrofitted.

Pto Shielding:

PTO shaft guarding is essential and documented for safe operation.

Hydraulic Safety:

Hydraulic system pressure warnings and safe operation procedures are critical.

💡 Technology Features

Infotainment:

Not applicable. Basic analog instrumentation includes tachometer (if equipped), oil pressure gauge, temperature gauge, and ammeter.

Driver Assistance:

Power steering was an available option, significantly enhancing ease of operation.

Connectivity:

Not applicable.

Hydraulic System Controls:

Typically controlled by a single lever for position or draft control of the 3-point hitch and hydraulic remotes.

Lighting:

Optional factory lighting packages available.

🔧 Maintenance

Interval:

Every 100 hours of operation, or annually.

Interval:

Clean oil-bath air cleaner frequently, service as needed based on operating conditions (e.g., every 50 hours in dusty conditions).

Interval:

Replace fuel filter elements as recommended, typically every 250-500 hours or when experiencing fuel delivery issues.

Interval:

Change transmission fluid and filter (if applicable) every 1000 hours or bi-annually.

Interval:

Check coolant level daily. Flush and replace coolant every 2 years or as recommended by coolant manufacturer.

Interval:

Grease all lubrication points (e.g., steering linkage, PTO shaft, hitch points) daily or every 10 hours of operation.

Viscosity Gasoline:

SAE 30 or 10W-30 depending on ambient temperature (refer to manual).

Viscosity Diesel:

SAE 30 or 10W-30 depending on ambient temperature (refer to manual).

Type:

Ethylene Glycol based permanent antifreeze (50/50 mix with distilled water recommended).

Type:

IH Hy-Tran fluid or equivalent UTF.

Common Issues:

Common issues may include carburetor wear, fuel injection pump problems (diesel), hydraulic pump or cylinder leaks, worn clutch components, and electrical system maintenance.

Wear And Tear:

Due to age, wear on seals, bearings, and internal engine/transmission components is common.

Cooling System Maintenance:

Regular flushing and cleaning of the radiator is important to prevent overheating.

Carburetor Adjustment:

Carburetors often require periodic adjustment or rebuilding to maintain optimal performance.

Governor Adjustment:

Governor linkage and settings can drift over time, affecting engine speed regulation.

📚 Vehicle History

Brand Heritage:

International Harvester (IH) was a major American manufacturer of agricultural and construction equipment, known for its durable and reliable tractors. Farmall was one of its iconic tractor lines.

Model Introduction:

The Farmall 404 and its siblings (like the 340, 444) were introduced in the late 1950s and early 1960s, representing IH's move towards more modern, powerful, and versatile utility tractors.

Key Innovations Farmall:

The Farmall line was known for its "Fast-Hitch" (a quick-coupling three-point hitch system), power steering, and more comfortable operator stations compared to earlier models.

Production Years:

The Farmall 404 was primarily produced from 1961 to 1967.

Manufacturing Plants:

Primarily manufactured at International Harvester's Louisville Works plant in Louisville, Kentucky.

🏆 Awards & Recognition

Recognitions:

While specific awards for the Farmall 404 are not widely documented, the Farmall series itself is recognized for its contribution to agricultural mechanization and its status as an iconic tractor.

Market Reputation:

The Farmall 404 is well-regarded by collectors and users for its robust construction and reliable performance, making it a popular choice for restoration and light to moderate farm work.