Deere 820
Type: Standard-tread Tractors
Contents:
Production | |
| Manufacturer: | John Deere |
| Type: | Standard-tread tractor |
| Factory: | 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 50.0 kW (Green Dash) |
| 75 hp 55.9 kW (Black Dash) | |
| Plows: | 5-6 |
| Drawbar (tested): | 67.15 hp 50.1 kW |
| Belt (tested): | 72.82 hp 54.3 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| power optional | |
| Cab: | Open operator station. Steel cab optional. |
| Transmission: | 6-speed unsynchronized gear |
Hydraulics | |
| Type: | Powr-Trol |
| Valves: | 1 |
Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 540 |
820 Serial Numbers | |
| 1956: | 8000000 (green-dash) |
| 1957: | 8200565 (green-dash) |
| 1957: | 8203100 (black-dash) |
| 1958: | 8203850 (black-dash) |
| Final: | 8207080 (black-dash) |
Electrical | |
| Ground: | positive |
| Battery volts: | 6 |
Engine Detail | |
| John Deere | |
| diesel | |
| 2-cylinder | |
| liquid-cooled | |
| Displacement: | 470.7 ci 7.7 L |
| Bore/Stroke: | 6.125x8.00 inches 156 x 203 mm |
| Air cleaner: | oil bath |
| Rated RPM: | 1125 |
| Firing order: | 1-2 |
| Starter type: | gasoline pony motor |
| Coolant capacity: | 8 qts 7.6 L |
Transmission | |
| Manufacturer: | John Deere |
| Type: | unsynchronized gear |
| Gears: | 6 forward and 1 reverse |
| Clutch: | 9-inch dry disc |
| Optional low-speed first gear was 1.75 MPH. | |
Dimensions | |
| Wheelbase: | 85.25 inches 216 cm |
| Length: | 142.75 inches 362 cm |
| Width: | 79.5 inches 201 cm |
| Height: | 81 inches 205 cm |
| Front tread: | 56.5 to 63 inches 143 to 160 cm |
| Rear tread: | 64.5/68.5 inches 163/173 cm |
