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Farmall A vs Farmall BN
Verdict: Farmall A vs Farmall BN
The Farmall A and the Farmall BN are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 17 hp. Farmall BN is the lighter machine (816 kg vs 1,088 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall BN is the newer design (1940 vs 1939). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Farmall
62
Fit score
Best match
Clear
Farmall
62
Fit score
Best match
Clear
Rated power
17 hp
17 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
International HarvesterReference
Farmall (a part of International Harvester)Reference
Distillate 4-speed 2WDOctober 9 - 16, 1939Link: Nebraska Tractor Test 330 fileReference
liquid-cooled inlineReference
Factories
Louisville, Kentucky, USAReference
Louisville, Kentucky, USAReference
Total built
117,552Reference
14,967Reference
Variants
AV
Vegetable cropReference
—
AI
International industrialReference
—
B
—
full widthReference
BN
—
narrow treadReference
Engine
Fuel tank
37.9 LReference
37.9 LReference
Aux. fuel
3.8 LReference
3.8 LReference
Drawbar (claimed)
12.9 kWReference
12.7 kWReference
Belt (claimed)
14.2 kWReference
14.2 kWReference
Plows
1Reference
1Reference
Drawbar (tested)
12.2 kWReference
—
Belt (tested)
13.7 kWReference
—
Displacement
1.9 LReference
1.9 LReference
Bore/Stroke
76 x 102 mmReference
76 x 102 mmReference
Compression
6.0:1Reference
5.33:1Reference
Rated RPM
1400Reference
1400Reference
Idle RPM
900-1400Reference
900-1400Reference
Firing order
1-3-4-2Reference
1-3-4-2Reference
Starter
electricReference
electricReference
Starter volts
6Reference
6Reference
Coolant capacity
12.3 LReference
—
Oil capacity
4.7 LReference
4.7 LReference
Oil change
120 hReference
—
Belt power (max)
12.3 kWReference
—
Max power
11.3 kWReference
—
Transmission
Gears
4 forward and 1 reverseReference
4 forward and 1 reverseReference
Transmission
—
International HarvesterReference
PTO & Hydraulics
Type
gearReference
gearReference
Rear PTO
transmissionReference
transmissionReference
Rear PTO Type
540 (1.125)Reference
540 (1.125)Reference
Dimensions
Weight
1088 kgReference
816 kgReference
Front tire
4.00-15Reference
6.00-12Reference
Rear tire
8-24Reference
8-24Reference
Ag front
5-30Reference
7.50-10Reference
Ag rear
8-24Reference
5-30Reference
Length
270 cmReference
273 cmReference
Height (steering wheel)
160 cmReference
165 cmReference
Ballasted weight
1564 kgReference
—
Clearance (front axle)
55 cmReference
—
Clearance (rear axle)
53 cmReference
—
Front tread
111 to 162 cmReference
—
Rear tread
101 to 172 cmReference
142 to 213 cmReference
Wheelbase
—
184 cmReference
A Serial Number Location
A Serial Numbers
1939
FAA501Reference
—
1940
FAA6744Reference
FABN39715Reference
1941
FAA41500Reference
—
1942
FAA80739Reference
—
1944
FAA96390Reference
—
1945
FAA113218Reference
—
1946
FAA146700Reference
—
1947
FAA200001 (Louisville)Reference
—
Final
FAA220829 (Louisville)Reference
—
Capacities
Diameter
21 cmReference
21 cmReference
Width
195 cmReference
15 cmReference
RPM
1157Reference
1157Reference
Speed
784.56 meters/minReference
784.56 meters/minReference
Electrical
Ground
positiveReference
positiveReference
Charging system
generatorReference
generatorReference
Battery volts
6Reference
6Reference
Test results
Belt fuel use (max)
5.3 l/hourReference
—
Max pull
1070 kgReference
—
BN Serial Number Location
BN Serial Numbers
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.