John Deere
John Deere 50
The John Deere 50 was introduced to replace the model B. These new tractors offered a number of advancements including duplex carburetion, live Powr-Trol hydraulics, and a fully-independent PTO.
Power31 hp[B]
Founded1952 - 1956
Model50
Technical Specifications
Detailed specifications and technical data for John Deere 50
Power
| Plows | 2 |
|---|---|
| Belt (tested) | 31.20 hp (23.3 kW) |
| Belt (claimed) | 30.97 hp (23.1 kW) |
| Drawbar (tested) | 28.11 hp (21.0 kW) |
Tires
| Ag rear | 10-38 |
|---|---|
| Ag front | 5.50-16 |
Engine
| Rated RPM | 1250 |
|---|---|
| Air cleaner | oil bath |
| Bore/Stroke | 4.6875x5.50 inches (119 x 140 mm) |
| Displacement | 190.4 ci (3.1 L) |
| Firing order | 1-2 |
| LP gas engine | John Deere, LP gas, 2-cylinder, liquid-cooled |
| Starter volts | 12 |
| Engine options | John Deere 3.1L 2-cyl gasoline, John Deere 3.1L 2-cyl all-fuel, John Deere 3.1L 2-cyl LP gas |
| All-fuel engine | John Deere, all-fuel, 2-cylinder, liquid-cooled |
| Gasoline engine | John Deere, gasoline, 2-cylinder, liquid-cooled |
| Coolant capacity | 23 qts (21.8 L) early non-pressurized system, 19 qts (18.0 L) later |
| Compression (LP gas) | 8:1 |
| Compression (all-fuel) | 5.35:1 |
Dimensions
| Width | 86.625 inches (220 cm) |
|---|---|
| Height | 59.825 inches (151 cm) |
| Length | 132.75 inches (337 cm) |
| Wheelbase | 90 inches (228 cm) |
| Rear tread | 56 to 88 inches (142 to 223 cm) |
| Front tread | 7.3/11.2 inches (18/28 cm) |
| Ballasted weight | 5439 lbs (2467 kg) With fluid in rear tires |
| Operating weight | 4855 lbs (2202 kg) Gasoline tractor with cast 11-38 rear wheels |
Electrical
| Ground | Positive |
|---|---|
| Batteries | 2 |
| Battery AH | 85 |
| Battery volts | 6 |
| Charging system | generator |
Hydraulics
| Type | open center |
|---|---|
| Pressure | 930 psi (64.1 bar) |
| Pump flow | 8.9 gpm (33.7 lpm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Expanding shoe brakes |
| Steering | manual, power (Power steering became an option in 1954) |
| Operator station | Open operator station with padded seat |
Production
| Type | Row-Crop tractor |
|---|---|
| Notes | The John Deere 50 was introduced to replace the model B. These new tractors offered a number of advancements including duplex carburetion, live Powr-Trol hydraulics, and a fully-independent PTO. |
| Built in | Waterloo, Iowa, USA |
| Years made | 1952 - 1956 |
| Total built | 32,574 (total) |
| LP-gas built | 731 (LP-gas) |
| All-fuel built | 2,097 (all-fuel) |
| Gasoline built | 29,746 (gas) |
| Original price | $2,011 in 1954 |
Attachments
| Loader | front-end loader |
|---|
Belt Pulley
| RPM | 1250 |
|---|---|
| Speed | 3170 ft/min (966.22 meters/min) |
| Width | 7.25 inches (18 cm) |
| Diameter | 9.7 inches (24 cm) |
Transmission
| Type | unsynchronized gear |
|---|---|
| Gears | 6 forward and 1 reverse |
| Clutch | mechanical dry disc |
Serial Numbers
| 1952 | 5000001 |
|---|---|
| 1953 | 5001257 |
| 1954 | 5016620 |
| 1955 | 5021977 |
| 1956 | 5030600 |
| End | 5033751 |
Power Take-off (PTO)
| Rear PTO | independent (Optional) |
|---|---|
| Rear PTO Type | 540 (1.375) |
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