John Deere 620
Type: Row-crop Tractors
Contents:
Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
| Total built: | 20,848 |
| Original price: | $3,000 (1956 ) |
Variants | |
| row-crop | |
| standard | |
| orchard | |
| 620HC: | high-crop |
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 |
Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | power assist |
| Brakes: | differential mechanical contracting band |
| Cab: | Open operator station. |
| Transmission: | 6-speed unsynchronized gear |
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 Numbers | |
| Location: | Serial number plate on the right side of the 620 tractor frame, below the belt pulley. |
| 1956: | 6200000 |
| 1957: | 6203778 |
| 1958: | 6215048 |
| Final: | 6222686 |
Electrical | |
| Ground: | positive |
| Batteries: | 2 |
| Battery volts: | 6 |
Engine Detail | |
| John Deere | |
| gasoline | |
| 2-cylinder 4-valve | |
| liquid-cooled | |
| Displacement: | 302.9 ci 5.0 L |
| Bore/Stroke: | 5.50x6.375 inches 140 x 162 mm |
| Rated RPM: | 1125 |
| Firing order: | 1-2 |
| Starter volts: | 12 |
| Oil capacity: | 8 qts 7.6 L |
| Coolant capacity: | 26 qts 24.6 L |
| 28 qts 26.5 L (orchard) | |
Transmission | |
| Manufacturer: | John Deere |
| Type: | unsynchronized gear |
| Gears: | 6 forward and 1 reverse |
| Clutch: | mechanical dry disc |
| Oil capacity: | 24 qts 22.7 L |
Dimensions | |
| Wheelbase: | 90 inches 228 cm |
| Length: | 135.25 inches 343 cm |
| High-crop Length: | 147.1875 inches 373 cm |
| Width: | 86.625 inches 220 cm |
| High-crop Width: | 74 inches 187 cm |
| Height: | 88.125 inches 223 cm |
| High-crop Height: | 96.75 inches 245 cm |
| Rear tread: | 58 to 88 inches 147 to 223 cm |
| Rear tread: | 58 to 104 inches 147 to 264 cm (long axle) |
