John Deere AR (1950-1953)

John Deere AR (1950-1953)The John Deere AR is a 2WD standard-tread tractor manufactured by John Deere in Waterloo, Iowa, USA from 1935 to 1953.

The John Deere AR is equipped with one of two engines: a 5.3 L (321.0 cu·in) two-cylinder gasoline engine or a 5.3 L (321.0 cu·in) two-cylinder kerosene engine and a unsynchronized gear transmission with 6 forward and 1 reverse gears.

The AR and AO models was the “regular”, or fixed-tread version of the model A.

The tractor could be equipped with the following engines:

  • John Deere. 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. This engine produced 35.4 PS (26.0 kW; 34.9 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 kerosene 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 4.5:1. This engine produced 27.5 PS (20.2 kW; 27.1 HP) at 975 rpm of output power.

The JD AR is equipped with manual steering, mechanical shoe brakes, open operator station and 75.7 liters (20 US gal.; 16.7 Imp. gal) fuel tank.

John Deere AR Specifications

General Specifications
Model John Deere AR
Length 3,140 mm (123.6 in)
Width AR: 1,840 mm (72.4 in)
AO: 1,920 mm (75.6 in)
Height (hood) 1,440 mm (56.7 in)
Wheel base 1,920 mm (75.6 in)
Weight (shipping) AR: 2,380 kg (5,247 lbs)
AO: 2,495 kg (5,501 lbs)
Fuel tank capacity 75.7 liters (20 US gal.; 16.7 Imp. gal)
Battery Two 6V
Cabin type Open operator station
Engine
Engine model John Deere
Engine type Four-stroke, liquid-cooled
Cylinders 2
Fuel type 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 5.6:1
Horsepower 35.4 PS (26.0 kW; 34.9 HP) at 975 rpm
Starter Electric
Oil capacity: 10.4 L (11 US. qt, 9.2 Imp. qt.)
Coolant capacity: 33.1 L (35 US. qt, 29.1 Imp. qt.)
Spark plug AC88L
Engine
Engine model John Deere
Engine type Four-stroke, liquid-cooled
Cylinders 2
Fuel type Kerosene
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 4.5:1
Horsepower 27.5 PS (20.2 kW; 27.1 HP) at 975 rpm
Starter Electric
Oil capacity: 10.4 L (11 US. qt, 9.2 Imp. qt.)
Coolant capacity: 33.1 L (35 US. qt, 29.1 Imp. qt.)
Transmission and chassis
Chassis 4×2 2WD
Steering type Manual
Brakes Mechanical shoe
Transmission model John Deere
Transmission type Unsynchronized gear
Gears 6 forward and 1 reverse
Speed Forward: 17.7 kmh (11 mph) Reverse: 4.4 kmh (2.7 mph)
Transmission oil capacity 30.3 L (8 US. gal, 6.7 Imp. gal.)
Tires
Front tires Ag: 6.00-16, 7.50-16, 6.50-18, 7.50-18
Rear tires Ag: 13-26, 14-26, 15-26
PTO (Power take-off shaft)
Rear PTO type Transmission
Rear PTO speed 540 rpm
Hydraulic system
Hydraulic type Powr-Trol (optional)
Hydraulic capacity 7.9 L (2.1 US. gal, 1.7 Imp. gal.)
Pressure 930 psi (64.1 bar)
Valves 1
Pump flow 8.9 gpm (33.7 lpm)