This workshop service manual provides comprehensive information for the International Harvester (IH) Farmall A, AV, B, and BN tractors, produced between 1939 and 1948. These tractors, powered by the International C-113 engine, were designed for farm work and are known for their robust construction and reliability. The Farmall A, with its 113 cubic inch, 4-cylinder engine, offered between 15-16 drawbar horsepower, while the AV, B, and BN variants provided slightly more power and different fuel options, including gasoline. These models feature a 4-speed sliding gear transmission and a 2-wheel drive configuration, embodying the engineering standards of their era.
This manual serves as an essential guide for the service, repair, maintenance, and troubleshooting of your IH Farmall tractor. It covers all major systems, including engine overhaul, fuel and cooling systems, drivetrain components, and chassis systems such as brakes and hydraulics. Detailed, step-by-step instructions, accompanied by illustrations, are provided for routine maintenance, preventative care, and complex repairs, making it suitable for farm owners, collectors, mechanics, and DIY enthusiasts. The manual's extensive coverage ensures that owners can effectively maintain their tractors, saving time and money on repairs.
Make:
International Harvester (IH)
Models Covered:
Farmall A, Farmall AV, Farmall B, Farmall BN
Target Audience:
Farm owners, collectors, mechanics, DIY tractor enthusiasts
Illustrations:
Illustrated with clear step-by-step instructions
Completeness:
Essential help guide for repair and troubleshooting, same manual used by professionals
Cost Savings:
Save money by doing your own repairs
Delivery Speed:
Instant download after payment
Primary Coverage:
Service, Repair, Maintenance, Troubleshooting
Estimated Page Count:
Likely extensive, often 500+ pages for comprehensive tractor manuals, though specific count not provided. File size up to 1 GB suggests significant detail.
Manual Type:
Workshop Service Manual / Repair Manual
Language:
English (assumed based on product description phrasing)
Engine Systems:
Engine overhaul, fuel system repair, cooling system maintenance, lubrication
Drivetrain Systems:
Transmission repair, clutch service, final drives
Chassis Systems:
Brake system repair, steering system maintenance, hydraulic system service (as applicable for the era)
Electrical Systems:
Wiring diagrams, ignition system troubleshooting, lighting systems
Farmall A Plow Rating:
1-14" plow
Farmall Av Plow Rating:
1-16" plow
Farmall B Plow Rating:
1-16" plow
Farmall Bn Plow Rating:
1-16" plow
Maintenance Procedures:
Routine maintenance, preventative maintenance schedules, fluid changes, lubrication points
Repair Procedures:
Step-by-step repair instructions for all major components and systems
Troubleshooting:
Diagnostic procedures, common issue identification and resolution
Depth Of Information:
Comprehensive, detailed, suitable for professional technicians and DIY enthusiasts; includes engine overhauls, component breakdowns, and exploded views
Print Quality:
High quality, printable from any computer with any printer
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
PDF Reader:
Any PDF reader
Unzipping:
Required for zipped files (e.g., WinZip, WinRAR)
Engine Make:
International
Displacement:
113 cubic inches (1.85 Liters)
Cooling System:
Water-cooled
Aspiration:
Naturally Aspirated
Farmall A Drawbar Hp:
15 hp
Farmall Av Belt Hp:
18 hp
Farmall Av Drawbar Hp:
16 hp
Farmall B Drawbar Hp:
16 hp
Farmall Bn Belt Hp:
18 hp
Farmall Bn Drawbar Hp:
16 hp
Farmall A Fuel Type:
Distillate
Farmall Av Fuel Type:
Gasoline
Farmall B Fuel Type:
Gasoline
Farmall Bn Fuel Type:
Gasoline
Transmission Type:
Sliding Gear
Gearbox Make:
International
Drive Type:
2-Wheel Drive (2WD)
Farmall A Length:
106 inches (2.69 meters)
Farmall A Width:
56 inches (1.42 meters)
Farmall A Height:
63 inches (1.60 meters)
Farmall Av Length:
115 inches (2.92 meters)
Farmall Av Width:
63 inches (1.60 meters)
Farmall Av Height:
69 inches (1.75 meters)
Farmall B Length:
108 inches (2.74 meters)
Farmall B Width:
79 inches (2.01 meters)
Farmall B Height:
65 inches (1.65 meters)
Farmall Bn Length:
108 inches (2.74 meters)
Farmall Bn Width:
71 inches (1.80 meters)
Farmall Bn Height:
65 inches (1.65 meters)
Farmall A Weight:
1780 lb (807 kg)
Farmall Av Weight:
2280 lb (1034 kg)
Farmall B Weight:
1870 lb (848 kg)
Farmall Bn Weight:
1780 lb (807 kg)
Farmall A Wheelbase:
71 inches
Farmall Av Wheelbase:
72 inches
Farmall B Wheelbase:
73 inches
Farmall Bn Wheelbase:
73 inches
Farmall A Front Tires:
4.00-15 4-ply
Farmall A Rear Tires:
9-24 4-ply (8-24 standard)
Farmall Av Front Tires:
4.00-19 4-ply
Farmall Av Rear Tires:
8-36 4-ply
Farmall B Front Tires:
6.00-12 4-ply single
Farmall B Rear Tires:
8-24 4-ply
Farmall Bn Front Tires:
4.00-15 4-ply
Farmall Bn Rear Tires:
8-24 4-ply
Farmall A Turning Circle:
18 ft
Farmall Av Turning Circle:
17.5 ft
Farmall B Turning Circle:
15 ft
Farmall Bn Turning Circle:
15 ft
Engine Oil Change Interval:
Refer to manual for specific hours or annual recommendations for engine oil and filter changes (typical for the era was around 50-100 hours or annually).
Lubrication Points:
Extensive lubrication schedule for grease fittings, universal joints, and pivot points detailed in the manual.
Transmission Oil Change:
Manual will specify intervals for transmission and final drive oil changes.
Engine Oil Viscosity:
Manual will specify recommended SAE viscosity grade based on operating temperature (likely SAE 30 or SAE 10W-30 for the period).
Coolant Type:
Standard water or water with appropriate anti-corrosion additives for the era. Manual will detail mixture ratios and freeze protection.
Hydraulic Fluid Type:
If equipped with hydraulics, the manual will specify the type and viscosity of hydraulic fluid required.
Carburetor Issues:
Common for aging carburetors to require cleaning, adjustment, or rebuilding due to fuel varnish and wear. Manual provides detailed procedures.
Ignition System:
Spark plug fouling, distributor cap and rotor wear, and timing adjustments are common maintenance items detailed in the manual.
Cooling System:
Radiator clogging, thermostat failure, and water pump leaks can occur and are covered in the manual for diagnosis and repair.
Transmission Wear:
Wear in the sliding gear engagement and bearing surfaces over time can lead to shifting issues. The manual provides guidance on inspection and repair.
Manufacturer:
International Harvester (IH)
Farmall A Introduced:
1939
Farmall A Discontinued:
1947
Farmall A Preceded By:
McCormick-Deering Farmall F-14
Farmall A Superseded By:
McCormick Farmall Super A
Farmall Av Introduced:
1941
Farmall Av Discontinued:
1947
Farmall Av Superseded By:
McCormick Farmall Super AV
Farmall B Introduced:
1940
Farmall B Discontinued:
1948
Farmall B Preceded By:
McCormick-Deering Farmall F-14
Farmall B Superseded By:
McCormick Farmall C
Farmall Bn Introduced:
1941
Farmall Bn Discontinued:
1947
Farmall Bn Superseded By:
McCormick Farmall C
Farmall A Produced:
128,246 (includes A-AV, International A)
Farmall B Produced:
93,156 (includes BN)
Factories:
Tractor Works, Chicago, Illinois
Farmall A Nebraska Test:
No. 330
Farmall Av Nebraska Test:
No. 329 (for Farmall A)
Farmall B Nebraska Test:
No. 331
Farmall Bn Nebraska Test:
No. 331
Farmall A Cost 1941:
$542
Farmall A Cost 1947:
$1295
Farmall Av Cost 1941:
$660
Farmall B Cost 1940:
$605
