Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
| Total built: | 300,000 |
| The A was John Deere's first true row-crop tractor, replacing the GP. There were several variants of the A. The A was the row-crop model. The AR was a standard (or fixed) tread model. The AO was an orchard model, with no exhaust stack and shielded fenders. There was also the AI industrial model, the AN with narrow front, the AW wide front, and the high-crop ANH and AWH. The model A was the first Deere tractor to come from the factory with rubber tires. | |
Variants | |
| Row-crop | |
| Standard front axle | |
| AO: | Orchard |
| narrow orchard | |
| AW: | Adjustable wide-front |
| AN: | Single front wheel |
| AWH: | High-crop, adjustable wide-front |
| ANH: | High-crop, single-front wheel |
John Deere A Power | |
| Drawbar (claimed): | 18 hp 13.4 kW |
| Belt (claimed): | 24 hp 17.9 kW |
| Plows: | 2*14-inch |
| Drawbar (tested): | 18.72 hp 14.0 kW |
| PTO (tested): | 23.63 hp 17.6 kW |
| Belt (tested): | 24.71 hp 18.4 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| Brakes: | differential mechanical expanding shoe |
| Cab: | Open operator station with steel pan seat. |
| Transmission: | 4-speed unsynchronized gear |
Power Take-off (PTO) | |
| Rear PTO: | transmission |
| Rear RPM: | 540 |
A Serial Numbers | |
| Location: | Serial number plate on the left side of tractor, above the flywheel. |
| 1934: | 410000 |
| 1935: | 412866 |
| 1936: | 424025 |
| 1937: | 442151 |
| 1938: | 466787 |
| 1939: | 477000 |
| 1940: | 488000 |
| 1941: | 499000 |
| 1942: | 510239 |
| 1943: | 520004 |
| 1944: | 524423 |
| 1945: | 542700 |
| 1946: | 555334 |
| 1947: | 569610 |
| 1948: | 587349 |
| 1949: | 611921 |
| 1950: | 640246 |
| 1951: | 666307 |
| 1952: | 682602 |
| Final: | 703384 |
Engine Detail | |
| John Deere | |
| all fuel | |
| 2-cylinder 4-valve | |
| liquid-cooled horizontal | |
| Displacement: | 309 ci 5.1 L |
| Bore/Stroke: | 5.50x6.50 inches 140 x 165 mm |
| Air cleaner: | oil bath |
| Compression: | 4.45:1 |
| Rated RPM: | 975 |
| Firing order: | 1-2 |
| Starter type: | manual*Hand-crank of tractor flywheel. |
| Oil capacity: | 9.25 qts 8.8 L |
| Coolant capacity: | 38 qts 36.0 L |
| Sparkplug gap: | .030 inches 0.762 mm |
| Point gap: | 0.021 inches 0.533 mm |
| Intake valve clearance: | 0.020 inches 0.508 mm *Hot |
| Exhaust valve clearance: | 0.020 inches 0.508 mm *Hot |
Transmission | |
| Manufacturer: | John Deere |
| Type: | unsynchronized gear |
| Gears: | 4 forward and 1 reverse |
| Clutch: | dry disc |
Dimensions | |
| Length: | 124 inches 314 cm |
| Width: | 83 inches 210 cm |
| 86.325 inches 219 cm | |
| Height: | 60 inches 152 cm |
| 63.875 inches 162 cm | |
| Weight: | 3783 lbs 1715 kg |