John Deere A (1947-1952)

John Deere AThe John Deere A is a 2WD row-crop tractor from the Two-Cylinder Letter Series series. This third generation was manufactured by John Deere in Waterloo, Iowa, USA from 1947 to 1952. The John Deere A is equipped with a 5.3 L (321.0 cu·in) two-cylinder all-fuel/gasoline engine and unsynchronized gear with mechanical dry disc clutch transmission with 6 forward and 1 reverse gears.

The JD A row-crop tractor used the John Deere engine. It is a 5.3 L, 5,260 cm2, (321.0 cu·in) two-cylinder natural aspirated gasoline engine with 140.0 mm (5.51 in) of the cylinder bore and 171.0 mm (6.73 in) of the piston stroke. The compression ratio rating is 5.6:1 for the gasoline version or 4.45:1 for the all-fuel 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 68.1 liters (18 US gal.; 15 Imp. gal) fuel tank.

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 2,370 kg (5,225 lbs)
Fuel tank capacity 68.1 liters (18 US gal.; 15 Imp. gal)
Battery Two 6V
Cabin type Open operator station
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 Gasoline: 5.6:1
All-fuel: 4.45:1
Horsepower 34.5 PS (25.4 kW; 34.0 HP) at 975 rpm
Starter Electric
Oil capacity: 10.4 L (11 US. qt, 9.2 Imp. qt.)
Coolant capacity: 36.0 L (38 US. qt, 31.7 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 mechanical dry disc clutch
Gears 6 forward and 1 reverse
Speed Forward: 20.9 kmh (13.0 mph) Reverse: 6.4 kmh (4.0 mph)
Tires
Front tires Ag: 5.50-16
Rear tires Ag: 11-38, 9-38, 10-38, 12-38
PTO (Power take-off shaft)
Rear PTO type Transmission
Rear PTO speed 540 rpm