Farmall A: all source data

All 84 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerFarmall (a part of International Harvester)
(no label)Row-Crop tractor
FactoriesChicago, Illinois, USA
FactoriesLouisville, Kentucky, USA
Total built117,552
(no label)Original price was $750 in 1947
(no label)The Farmall A and B were nearly identical tractors. The A featured an offset engine and wide front end. The offset engine was known as "Cultivision". The B had a centered engine, seat offset to the right, and narrow front end. A high-crop AV version was available.
Engine
(no label)International Harvester 1.9L 4-cyl gasoline
(no label)International Harvester 1.9L 4-cyl kerosene
Fuel tank10 gal | 37.9 L
Aux. fuel1 gal | 3.8 L
Transmission
(no label)4-speed gear
Power
Drawbar (claimed)17.35 hp | 12.9 kW
Belt (claimed)19.06 hp | 14.2 kW
Plows1
Drawbar (tested)16.32 hp | 12.2 kW
Belt (tested)18.34 hp | 13.7 kW
Mechanical
(no label)Two-wheel drive
(no label)Manual steering
(no label)Mechanical contracting band brakes
(no label)Open operator station.
Hitch
TypeIH Pneumatic Lift-All
Pto
Rear PTOtransmission
Rear PTO Type540 (1.125)
Dimensions
Weight2400 lbs | 1088 kg
Front tire4.00-15
Rear tire8-24
Serial location
(no label)Serial number plate on the seat support bracket. On very early model A tractors the serial number plate is on the cross-frame below the pedals.
Belt pulley
Diameter8.5 inches | 21 cm
Width6 inches | 15 cm
RPM1157
Speed2574 ft/min | 784.56 meters/min
Electrical
Groundpositive
Charging systemgenerator
Battery volts6

Engine

Engine options
(no label)International Harvester 1.9L 4-cyl gasoline
(no label)International Harvester 1.9L 4-cyl kerosene
Engine detail
(no label)International Harvester C113
(no label)gasoline
(no label)4-cylinder
(no label)liquid-cooled inline
Displacement113.1 ci | 1.9 L
Bore/Stroke3.00x4.00 inches | 76 x 102 mm
Compression6.0:1
Rated RPM1400
Idle RPM900-1400
Firing order1-3-4-2
Startermanual
Starterelectric
Starter volts6
Coolant capacity (Coolant)13 qts | 12.3 L
(no label)International Harvester
(no label)kerosene
(no label)4-cylinder
(no label)liquid-cooled
Displacement113.1 ci | 1.9 L
Bore/Stroke3.00x4.00 inches | 76 x 102 mm
Rated RPM1400
Firing order1-3-4-2
Startermanual
Starterelectric
Starter volts6
Oil capacity5 qts | 4.7 L
Coolant capacity (Coolant)13 qts | 12.3 L
Engine oil
Oil capacity5 qts | 4.7 L
Oil change120 h

Transmission

Transmission
ManufacturerInternational Harvester
Typegear
Gears4 forward and 1 reverse

Dimensions

Tires
Ag front4.00-15
Ag rear8-24
Ag front9-24
Ag front10-24
Ag front5-30
Dimensions
Length106.3 inches | 270 cm
Width76.8 inches | 195 cm
Height (steering wheel)63.3 inches | 160 cm
Weight2400 lbs | 1088 kg
Ballasted weight3450 lbs | 1564 kg
Clearance (front axle)21.875 inches | 55 cm
Clearance (rear axle)20.875 inches | 53 cm
Front tread43 inches | 109 cm
Front tread44 to 64 inches | 111 to 162 cm
Rear tread40 to 68 inches | 101 to 172 cm