John Deere 620
| | 1956 - 1958 |
| Two-Cylinder 20 Series | | Row-Crop tractor |
|
Series map:
520
620
720
41.4hp
53.3hp
65.6hp
| Production |
| Manufacturer | John Deere
|
| Row-Crop tractor |
| Built in Waterloo, Iowa, USA |
| Total built | 20,848
|
| Original price was $3,000 in 1956 |
| Variants |
| 620 | row-crop
|
| 620S | standard
|
| 620O | orchard
|
| 620HC | high-crop
|
| John Deere 620 Engines |
| John Deere 5.0L 2-cyl gasoline |
| John Deere 5.0L 2-cyl all-fuel |
| John Deere 5.0L 2-cyl LP gas |
| Fuel tank | 20.5 gal (all-fuel)
77.6 L
|
| | 22.25 gal (gasoline)
84.2 L
|
| | 33 gal (LP gas)
124.9 L
|
| Aux. fuel | 1 gal
3.8 L
|
 Engine details ... |
| John Deere 620 Power |
| Drawbar (claimed) | 44 hp
32.8 kW
|
| PTO (claimed) | 48 hp
35.8 kW
|
| Drawbar (tested) | 44.81 hp
33.4 kW
|
| Belt (tested) | 49.19 hp
36.7 kW
|
 Performance test details ... |
| Mechanical |
| Two-wheel drive |
| Steering | power assist
|
| Differential mechanical contracting band brakes |
| Open operator station. |
| Hydraulics |
| Pressure | 1200 psi
82.7 bar
|
| Valves | 1 or 2
|
| Pump flow | 8.9 gpm
33.7 lpm
|
| Tractor hitch |
| Rear Type | II
|
| Power Take-off (PTO) |
| Rear RPM | 540
|
| 620 Serial Location |
 |
| Serial number plate on the right side of the 620 tractor frame, below the belt pulley. |
| Electrical |
| Ground | positive
|
| Batteries | 2
|
| Battery volts | 6
|
| References |
 |
| The John Deere 20 series Two Cylinder Tractors by Benjamin Hain |
| Tractors 1918-1976 published by John Deere |
| Facts about horsepower and fuel economy published in 1957, by John Deere |
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Transmission details ...
John Deere 620 photos...
Full dimensions and tires ...
Attachment details ...