| Production |
| Manufacturer: | John Deere
|
| Type: | Standard-tread tractor
|
| Factory: | Waterloo, Iowa, USA
|
| Total built: | 7,080
|
| Mechanical |
| Chassis: | 4x2 2WD
|
| Steering: | manual
|
| | power optional
|
| Cab: | Open operator station. Steel cab optional.
|
| Transmission: | 6-speed unsynchronized gear
|
| Photos |
| | John Deere 820 photos... |
| Hydraulics |
| Type: | Powr-Trol
|
| Valves: | 1
|
| Power Take-off (PTO) |
| Rear PTO: | independent
|
| Rear RPM: | 540
|
| Dimensions & Tires |
| Wheelbase: | 85.25 inches
216 cm
|
| Weight: | 7850 to 8600 pounds
|
| Front tire: | 7.50-18
|
| Rear tire: | 15-34
|
| Full dimensions and tires ... |
| 820 Serial Numbers |
photo of 820 serial number
| | 1956: | 8000000 (green-dash)
|
| 1957: | 8200565 (green-dash)
|
| 1957: | 8203100 (black-dash)
|
| 1958: | 8203850 (black-dash)
|
| Final: | 8207080 (black-dash)
|
how to read serial numbers...
|
| 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
|
|
