John Deere A (1939-1947)

John Deere AThe John Deere A is a 2WD row-crop tractor from the Two-Cylinder Letter Series series. This second generation was manufactured by John Deere in Waterloo, Iowa, USA from 1939 to 1947.

The JD A is equipped with one of two engines: a 5.1 L (309.0 cu·in) two-cylinder all-fuel engine or a 5.3 L (321.0 cu·in) two-cylinder all-fuel/gasoline engine and one of two transmissions: unsynchronized gear transmission with 4 forward and 1 reverse gear or unsynchronized gear transmission with 6 forward and 1 reverse gear.

The tractor could be equipped with the following engines:

  • John Deere. It is a 5.1 L, 5,064 cm2, (309.0 cu·in) two-cylinder natural aspirated all-fuel engine with 140.0 mm (5.51 in) of the cylinder bore and 165.0 mm (6.5 in) of the piston stroke. The compression ratio rating is 4.45:1. This engine produced 18.2 PS (13.4 kW; 18.0 HP) at 975 rpm of output power.
  • John Deere. It is a 5.3 L, 5,260 cm2, (321.0 cu·in) two-cylinder natural aspirated all-fuel/gasoline engine. The cylinder bore is 140.0 mm (5.51 in) and the piston stroke is 171.0 mm (6.73 in). The compression ratio rating is 4.45:1 for all-fuel version or 5.60:1 for gasoline version. This engine produced 34.5 PS (25.4 kW; 34.0 HP) at 975 rpm of output power.

The John Deere Model A is equipped with manual steering, differential mechanical expanding shoe brakes, an open operator station, and 53.0 liters (14 US gal.; 11.7 Imp. gal) fuel tank for an all-fuel version or 68.1 liters (18 US gal, 15 Imp. gal) for gasoline engine version.

John Deere A variants:

  • AR – A-Regular with standard front axle
  • AO – Orchard
  • AW – Adjustable wide-front
  • AN – Single front wheel
  • AWH – High-crop, adjustable wide-front
  • ANH – High-crop, single-front wheel

John Deere A Specifications

General Specifications
Model John Deere A
Length 3,400 mm (133.9 in)
Width 2,190 mm (86.2 in)
Height 1,620 mm (63.8 in)
Wheel base
Weight 2,085 kg (4,597 lbs)
Fuel tank capacity All-fuel: 53.0 liters (14 US gal.; 11.7 Imp. gal)
Gasoline: 68.1 liters (18 US gal, 15 Imp. gal)
Battery 6V
Cabin type Open operator station
Engine
Engine model John Deere
Engine type Four-stroke, liquid-cooled, inline
Cylinders 2
Fuel type All-fuel
Displacement 5.1 L, 5,064 cm2, (309.0 cu·in)
Bore and stroke 140.0 mm X 165.0 mm (5.51 in X 6.5 in)
Compression ratio 4.45:1
Horsepower (drawbar) 18.2 PS (13.4 kW; 18.0 HP) at 975 rpm
Starter Manual or electric (option)
Oil capacity: 8.8 L (9.3 US. qt, 7.7 Imp. qt.)
Coolant capacity: 36.0 L (38 US. qt, 31.7 Imp. qt.)
Engine
Engine model John Deere
Engine type Four-stroke, liquid-cooled, inline
Cylinders 2
Fuel type All-fuel / Gasoline
Displacement 5.3 L, 5,260 cm2, (321.0 cu·in)
Bore and stroke 140.0 mm X 171.0 mm (5.51 in X 6.73 in)
Compression ratio All-fuel: 4.45:1
Gasoline: 6.50:1
Horsepower (drawbar) 34.5 PS (25.4 kW; 34.0 HP) at 975 rpm
Starter Manual or electric (option)
Oil capacity: 10.4 L (11 US. qt, 9.2 Imp. qt.)
Transmission and chassis
Chassis 4×2 2WD
Steering type Manual
Brakes Differential mechanical expanding shoe
Transmission model John Deere
Transmission type Unsynchronized gear with dry disc clutch
Gears 4 forward and 1 reverse
Speed Forward: 10.1 kmh (6.3 mph) Reverse: 5.6 kmh (3.5 mph)
Transmission model John Deere
Transmission type Unsynchronized gear with dry disc clutch
Gears 6 forward and 1 reverse
Tires
Front tires Ag: 24×4 steel
Ag: 5.50×16
Rear tires Ag: 50×6 steel
Ag: 9/10/11.00×38
PTO (Power take-off shaft)
Rear PTO type Transmission
Rear PTO speed 540 rpm
ATTENTION! Dear visitors, this site is not a trading platform, an official dealer or a spare parts supplier, so we do not have any price lists, spare parts catalogs, service or owner manuals. We are an information portal and provide the technical specifications.

We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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