John Deere 820
| | 1956 - 1958 |
| Two-Cylinder 20 Series | | Standard-tread tractor |
|
Series map:
720
820
65.6hp
74.4hp
| Production |
| Manufacturer | John Deere
|
| Standard-tread tractor |
| Built in Waterloo, Iowa, USA |
| Total built | 7,080
|
| The early model 820 "Green Dash" tractors were little-changed from the previous model 80. in 1957, for the 1958 production year, the improved 820 "Black Dash" tractors appeared with a number of modifications and more horsepower. |
| John Deere 820 Power |
| Belt (claimed) | 67 hp (Green Dash)
50.0 kW
|
| | 75 hp (Black Dash)
55.9 kW
|
| Plows | 5-6
|
| Drawbar (tested) | 67.15 hp
50.1 kW
|
| Belt (tested) | 72.82 hp
54.3 kW
|
 Performance test details ... |
| Mechanical |
| Two-wheel drive |
| Steering | manual
|
| | power optional
|
| Open operator station. Steel cab optional. |
| Hydraulics |
| Type | Powr-Trol
|
| Valves | 1
|
| Power Take-off (PTO) |
| Rear PTO | independent
|
| Rear RPM | 540
|
| 820 Serial Location |
 |
|
| Belt Pulley |
| Diameter | 12.2 inches
30 cm
|
| Width | 9 inches
22 cm
|
| RPM | 1125
|
| Speed | 3,600 ft/min
1097.28 meters/min
|
| Electrical |
| Ground | positive
|
| 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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