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John Deere AR |
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General tractor information: |
| Manufacturer: | John Deere
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| Model: | AR
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| Type: | Farm/Agricultural tractor
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| Years produced: | 1935 - 1952
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| Total built: | 34,075
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| Factory: | Waterloo, Iowa, USA
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| Original price: | $2,300 (1951)
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Tractor power: |
| Drawbar (max): | 34.6 hp [25.8 kW]
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| Plows: | 2 (16-inch)
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Variants: |
| A: | Row-crop
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Engine: |
| Manufacturer: | John Deere
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| Fuel: | all fuel
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| Cylinders: | 2
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| Bore/Stroke: | 5.50x6.50 inches [140 x 165 mm]
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| Displacement: | 309 ci [5.1 L]
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| Compression: | 4.45:1
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| Rated RPMs: | 975
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| Cooling: | liquid
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| Torque: | -unknown- |
| Firing order: | 1-2
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| Oil capacity: | 9.25 qts [8.8 L]
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| Sparkplug gap: | 0.030
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| Comments: | Original engine, used until 1940
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Engine: |
| Manufacturer: | John Deere
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| Fuel: | gasoline
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| Cylinders: | 2
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| Bore/Stroke: | 5.50x6.75 inches [140 x 171 mm]
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| Displacement: | 321 ci [5.3 L]
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| Compression: | 5.60:1
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| Rated RPMs: | 975
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| Cooling: | liquid
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| Torque: | -unknown- |
| Firing order: | 1-2
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| Oil capacity: | 11 qts [10.4 L]
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| Sparkplug gap: | 0.030
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| Point gap: | 0.021
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| Comments: | Larger engine, introduced in 1940 (s/n 260001)
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Engine: |
| Manufacturer: | John Deere
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| Fuel: | kerosene
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| Cylinders: | 2
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| Bore/Stroke: | 5.50x6.75 inches [140 x 171 mm]
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| Displacement: | 321 ci [5.3 L]
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| Compression: | 4.45 : 1
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| Rated RPMs: | 975
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| Cooling: | liquid
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| Torque: | -unknown- |
| Firing order: | 1-2
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| Oil capacity: | 11 qts [10.4 L]
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| Comments: | Kerosene version of the larger engine, introduced in 1940 (s/n 260001)
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Transmission: |
| Type: | -unknown- |
| Forward: | 4
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| Reverse: | 1
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Transmission: |
| Type: | -unknown- |
| Forward: | 6
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| Reverse: | 1
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Mechanical: |
| Chassis: | 4x2 2WD
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| Steering: | -unknown- |
| Brakes: | -unknown- |
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Capacity: |
| Fuel: | 16 gal [60 L]
20 gal [75 L] (styled)
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| Aux. fuel: | 1 gal [3 L]
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| Coolant: | 8 qts [7.6 L]
8.75 qts [8.3 L] (styled)
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Tires: |
| Ag front: | 28x6 steel
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| Ag rear: | 42.75x10 steel
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| Ag front: | 6.00-16
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| Ag rear: | 11.25-24
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Dimensions: |
| Weight: | 3,400 lbs [1542 kg]
5,600 lbs [2540 kg] (styled)
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| Wheelbase: | -unknown- |
| Length: | 124 inches [314 cm]
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| Width: | 64 inches [162 cm]
75 inches [190 cm] (styled AO)
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| Height: | 55 inches [139 cm]
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| Ground clearance: | -unknown- |
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Electrical: |
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Nebraska Tractor Test 378: |
| Test Date: | November 1941
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| Engine: | -unknown- |
| Belt (max): | 30.33 hp [22.6 kW]
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| Drawbar (max): | 26.52 hp [19.8 kW]
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| Test report: | PDF file
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Nebraska Tractor Test 429: |
| Test Date: | October 1949
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| Engine: | -unknown- |
| Belt (max): | 36.13 hp [26.9 kW]
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| Drawbar (max): | 34.6 hp [25.8 kW]
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| Test report: | PDF file
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| 1936: 25000 |
| 1937: 253521 |
| 1938: 255416 |
| 1939: 257004 |
| 1940: 258045 |
| 1941: 260000 |
| 1942: 261558 |
| 1943: 262243 |
| 1944: 263223 |
| 1945: 264738 |
| 1946: 265870 |
| 1947: 267082 |
| 1948: 268877 |
| 1949: 270646 |
| 1950: 272985 |
| 1951: 276078 |
| 1952: 279770 |
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Comments: |
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| The AR/AO was the "regular", or fixed-tread version of the model A. The AR was the fixed tread version for general use, the AO was the orchard version. From 1936 until 1941, an AI industrial model was also made. |
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John Deere AR links: |
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