The John Deere 50 is a 2WD row-crop tractor manufactured by John Deere in Waterloo, Iowa, USA from 1952 to 1956.
The JD 50 is equipped with one of three engines: a 3.1 L (190.4 cu·in) two-cylinder gasoline, all-fuel or LP-gas engines, and unsynchronized gear transmission with 6 forward and 1 reverse gear.
The John Deere 50 used a manual or power (optional) steering, expanding shoe brakes, open operator station, and 58.7 liters (15.5 US gal.; 12.9 Imp. gal) fuel tank.
The tractor could be equipped with the following engines:
- John Deere gasoline engine. It is a 3.1 L, 3,120 cm2, (190.4 cu·in) two-cylinder natural aspirated gasoline engine with 119.0 mm (4.69 in) of the cylinder bore and 140.0 mm (5.51 in) of the piston stroke.
- John Deere all-fuel engine. It is a 3.1 L, 3,120 cm2, (190.4 cu·in) two-cylinder natural aspirated gasoline/LP-gas engine. The cylinder bore is 119.0 mm (4.69 in) and the piston stroke is 140.0 mm (5.51 in). The compression ratio rating is 5.35:1.
- John Deere all-fuel engine. It is a 3.1 L, 3,120 cm2, (190.4 cu·in) two-cylinder natural aspirated gasoline/LP-gas engine. The cylinder bore is 119.0 mm (4.69 in) and the piston stroke is 140.0 mm (5.51 in). The compression ratio rating is 8.0:1.
John Deere 50 Specifications
| General Specifications | |
| Model | John Deere 50 |
| Length | 3,370 mm (132.7 in) |
| Width | 2,200 mm (86.6 in) |
| Height | 1,510 mm (59.4 in) |
| Wheel base | 2,280 mm (89.8 in) |
| Weight (operating) | 2,200 kg (4,850 lbs) |
| Fuel tank capacity | 58.7 liters (15.5 US gal.; 12.9 Imp. gal) |
| Battery | Two 6V, 85Ah |
| Cabin type | Open operator station |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 2 |
| Fuel type | Gasoline |
| Displacement | 3.1 L, 3,120 cm2, (190.4 cu·in) |
| Bore and stroke | 119.0 mm X 140.0 mm (4.69 in X 5.51 in) |
| Horsepower | – |
| Starter | Electric |
| Coolant capacity: | 21.8 L (23 US. qt, 19.2 Imp. qt.) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 2 |
| Fuel type | All-fuel |
| Displacement | 3.1 L, 3,120 cm2, (190.4 cu·in) |
| Bore and stroke | 119.0 mm X 140.0 mm (4.69 in X 5.51 in) |
| Compression ratio | 5.35:1 |
| Horsepower | – |
| Starter | Electric |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 2 |
| Fuel type | LP-gas |
| Displacement | 3.1 L, 3,120 cm2, (190.4 cu·in) |
| Bore and stroke | 119.0 mm X 140.0 mm (4.69 in X 5.51 in) |
| Compression ratio | 8.0:1 |
| Horsepower | – |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Manual or power (optional) |
| Brakes | Expanding shoe |
| Transmission model | – |
| Transmission type | Unsynchronized gear |
| Gears | 6 forward and 1 reverse |
| Speed | Forward: 16.1 kmh (10 mph) Reverse: 4.0 kmh (2.5 mph) |
| Tires | |
| Front tires | Ag: 5.50-16 |
| Rear tires | Ag: 10-38 |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 532 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Pressure | 930 psi (64.1 bar) |
| Pump flow | 8.9 gpm (33.7 lpm) |
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