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Years in Production / 1939–1947
Farmall
B
Explore the specifications, hardware, and original references for the Farmall B.
21hp
Engine estimate · from belt
2WD Only
Drive
1939–1947
Production years
Farmall
Manufacturer
B / 01
At a glance
Production
Row-Crop tractor
The Farmall A and B were nearly identical tractors. The A featured an offset engine and wide front end. The B had a centered engine, seat offset to the right, and narrow front end.
- Manufacturer
- Farmall (a part of International Harvester)
- Factories
- Chicago, Illinois, USA
- Factories
- Louisville, Kentucky, USA
- Total Built
- 75,241
- Original Price
- $770
Hitch
- Type
- IH Pneumatic Lift-All
Pto
- Rear Pto
- transmission
- Rear Type
- 540 (1.125)
Serial Numbers
FAQ: How to read a serial number table.
- 1939
- FAB3675
- 1940
- 6744
- 1941
- 41500
- 1942
- 80739
- 1944
- 96390
- 1945
- 113218
- 1946
- 146700
- 1947
- 182964 (Chicago)
- 1947
- 200001 (Louisville)
Belt Pulley
- Diameter
- 8.5 inches21 cm
- Width
- 6 inches15 cm
- Rpm
- 1157
- Speed
- 2574 ft/min784.56 meters/min
Electrical
- Ground
- positive
- Charging System
- generator
- Battery Volts
- 6
Mechanical
Two-wheel drive
Manual steering
Mechanical contracting band brakes
Open operator station.
B / 02
Under the hood
Engine Detail (Option 1)
International Harvester C113
gasoline
4-cylinder
liquid-cooled inline
- Displacement
- 113.1 ci1.9 L
- Bore Stroke
- 3.00x4.00 inches76 x 102 mm
- Compression Ratio
- 5.33:1
- Rated Rpm
- 1400
- Idle Rpm
- 900-1400
- Firing Order
- 1-3-4-2
- Starter
- manual
- Starter
- electric OptOptional
- Starter Volts
- 6
- Oil Capacity
- 5 qts4.7 L
- Coolant Capacity
- 13.5 qts12.8 L
- Sparkplug Gap
- 0.025 inches0.635 mm
- Point Gap
- 0.020 inches0.508 mm
- Intake Valve Clearance
- 0.014 inches (hot)0.356 mm
- Exhaust Valve Clearance
- 0.014 inches (hot)0.356 mm
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled inline
Engine Detail (Option 2)
International Harvester
kerosene
4-cylinder
liquid-cooled vertical I-head
- Displacement
- 113.1 ci1.9 L
- Bore Stroke
- 3.00x4.00 inches76 x 102 mm
- Rated Rpm
- 1400
- Firing Order
- 1-3-4-2
- Starter
- manual
- Starter
- electric OptOptional
- Starter Volts
- 6
- Oil Capacity
- 5 qts4.7 L
- Coolant Capacity
- 13.5 qts12.8 L
- Sparkplug Gap
- 0.025 inches0.635 mm
- Point Gap
- 0.020 inches0.508 mm
- Intake Valve Clearance
- 0.014 inches (hot)0.356 mm
- Exhaust Valve Clearance
- 0.014 inches (hot)0.356 mm
- Fuel Type
- kerosene
- Cylinders
- 4
- Cooling
- liquid-cooled vertical I-head
Engine Options
International Harvester 1.9L 4-cyl gasoline
International Harvester 1.9L 4-cyl kerosene
- Fuel Tank
- 10 gal37.9 L
- Aux Fuel
- 1 gal3.8 L
B / 03
Gears & controls
Transmission
- Transmission
- International Harvester
- Transmission Type
- gear
- Gears
- 4 forward and 1 reverse
B / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 2400 lbs1088 kg
- Front Tire
- 6.00-12
- Rear Tire
- 8-24
Tires And Tracks
- Front Ag
- 6.00-12
- Front Ag
- 4.00-15
- Front Ag
- 7.50-10
- Rear Ag
- 8-24
- Rear Ag
- 9-24
- Rear Ag
- 10-24
- Rear Ag
- 5-30
B / 05
Tractor Photos
See it in action
Videos
Watch Farmall B videos from their original YouTube creators.
B / 07
Tests (NTTL)
Nebraska Tractor Test 331
Gasoline 4-speed 2WDSeptember 25 - 29, 1939
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 331
- Belt Power Max
- 18.39 hp13.7 kW
- Belt Fuel Use Max
- 1.6 gal/hour6.1 l/hour
- Max Power
- 16.21 hp12.1 kW
- Max Pull
- 2,377 lbs1078 kg
Nebraska Tractor Test 332
Distillate 4-speed 2WDOctober 9 - 13, 1939
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 332
- Belt Power Max
- 16.00 hp11.9 kW
- Belt Fuel Use Max
- 1.4 gal/hour5.3 l/hour
- Max Power
- 14.73 hp11.0 kW
- Fuel Use
- 1.2 gal/hour4.5 l/hour
- Max Pull
- 2,463 lbs1117 kg