620 by Deere
1956 - 1958
Production
Variants
1956 - 1958
| 1956 - 1958 |
| Two-Cylinder 20 Series |
| Row-Crop tractor |
Production
| Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
| Total built: | 20,848 |
| Original price: | $3,000 (1956 ) |
Variants
| Variants | |
| 620: | row-crop |
| 620S: | standard |
| 620O: | orchard |
| 620HC: | high-crop |
John Deere 620 Power
| 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 |
| power test details ... | |
John Deere 620 Engines
| 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 77.6 L (all-fuel) |
| 22.25 gal 84.2 L (gasoline) | |
| 33 gal 124.9 L (LP gas) | |
| Aux. fuel: | 1 gal 3.8 L |
| Engine details ... | |
Mechanical
| Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | power assist |
| Brakes: | differential mechanical contracting band |
| Cab: | Open operator station. |
| Transmission: | 6-speed unsynchronized gear |
| Transmission details ... | |
Hydraulics
| Hydraulics | |
| Pressure: | 1200 psi 82.7 bar |
| Valves: | 1 or 2 |
| Pump flow: | 8.9 gpm 33.7 lpm |
Tractor hitch
| Tractor hitch | |
| Rear Type: | II |
Power Take-off (PTO)
| Power Take-off (PTO) | |
| Rear RPM: | 540 |
Dimensions & Tires
| Dimensions & Tires | |
| Wheelbase: | 90 inches 228 cm |
| Weight: | 5858 to 6800 pounds |
| Front tire: | 6.00-16 |
| Rear tire: | 12.4-38 |
| Full dimensions and tires ... | |
John Deere 620 attachments
| John Deere 620 attachments | |
| front-end loader | |
| Attachment details ... |
620 Serial Numbers
| 620 Serial Numbers | |
| Location: | Serial number plate on the right side of the 620 tractor frame, below the belt pulley. |
| photo of 620 serial number | |
| 1956: | 6200000 |
| 1957: | 6203778 |
| 1958: | 6215048 |
| Final: | 6222686 |
how to read serial numbers... | |
Electrical
| Electrical | |
| Ground: | positive |
| Batteries: | 2 |
| Battery volts: | 6 |
John Deere 620 Power
32.8 kW
35.8 kW
33.4 kW
36.7 kW
1956 - 1958
| 1956 - 1958 |
| Two-Cylinder 20 Series |
| Row-Crop tractor |
Nebraska Tractor Test 591
| Nebraska Tractor Test 591 | |||
| | |||
Nebraska Tractor Test 591
| Nebraska Tractor Test 591 | |
| LP gas 6-speed 2WD September 6 - 11, 1956 Link: Nebraska Tractor Test 591 file | |
| Belt power (max): | 49.19 hp 36.7 kW |
| Belt fuel use (max): | 5.2 gal/hour 19.7 l/hour |
| Drawbar performance | |
| Max power: | 44.81 hp 33.4 kW |
| Gear 4 used for power test. | |
| Max pull: | 5,920 lbs 2685 kg |
| Gear 2 used for pull test. | |
Nebraska Tractor Test 598
| Nebraska Tractor Test 598 | |||
| | |||
Nebraska Tractor Test 598
| Nebraska Tractor Test 598 | |
| Gasoline 6-speed 2WD October 10 - 15, 1956 Link: Nebraska Tractor Test 598 file | |
| Belt power (max): | 46.75 hp 34.9 kW |
| Belt fuel use (max): | 4.2 gal/hour 15.9 l/hour |
| Drawbar performance | |
| Max power: | 42.40 hp 31.6 kW |
| Gear 4 used for power test. | |
| Max pull: | 6,122 lbs 2776 kg |
| Gear 1 used for pull test. | |
Nebraska Tractor Test 604
| Nebraska Tractor Test 604 | |||
| | |||
Nebraska Tractor Test 604
| Nebraska Tractor Test 604 | |
| Tractor fuel 6-speed 2WD November 1 - 8, 1956 Link: Nebraska Tractor Test 604 file | |
| Belt power (max): | 34.57 hp 25.8 kW |
| Belt fuel use (max): | 3.4 gal/hour 12.9 l/hour |
| Drawbar performance | |
| Max power: | 32.37 hp 24.1 kW |
| Gear 4 used for power test. | |
| Max pull: | 6,107 lbs 2770 kg |
| Gear 1 used for pull test. | |
John Deere 620 Engines
77.6 L (all-fuel)
84.2 L (gasoline)
124.9 L (LP gas)
3.8 L
1956 - 1958
| 1956 - 1958 |
| Two-Cylinder 20 Series |
| Row-Crop tractor |
Engines overview
| Engines overview | |
| John Deere 5.0L 2-cyl gasoline | |
| John Deere 5.0L 2-cyl all-fuel | |
| John Deere 5.0L 2-cyl LP gas |
Engine Detail
| 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) | |
Engine Detail
| Engine Detail | |
| John Deere | |
| all-fuel | |
| 2-cylinder 4-valve | |
| liquid-cooled | |
| Displacement: | 302.9 ci 5.0 L |
| Bore/Stroke: | 5.50x6.375 inches 140 x 162 mm |
| Air cleaner: | oil bath |
| Compression: | 4.78:1 |
| Rated RPM: | 1125 |
| Firing order: | 1-2 |
| Starter volts: | 12 |
| Oil capacity: | 8 qts 7.6 L |
Engine Detail
| Engine Detail | |
| John Deere | |
| LP gas | |
| 2-cylinder 4-valve | |
| liquid-cooled | |
| Displacement: | 302.9 ci 5.0 L |
| Bore/Stroke: | 5.50x6.375 inches 140 x 162 mm |
| Air cleaner: | oil bath |
| Compression: | 8.1:1 |
| Rated RPM: | 1125 |
| Firing order: | 1-2 |
| Starter volts: | 12 |
| Oil capacity: | 8 qts 7.6 L |
Mechanical
1956 - 1958
| 1956 - 1958 |
| Two-Cylinder 20 Series |
| Row-Crop tractor |
Transmission
| Transmission | |
| Manufacturer: | John Deere |
| Type: | unsynchronized gear |
| Gears: | 6 forward and 1 reverse |
| Clutch: | mechanical dry disc |
| Oil capacity: | 24 qts 22.7 L |
Speeds
| Speeds | |
| With 13.6-38 rear tires. | |
Hydraulics
82.7 bar
33.7 lpm
Tractor hitch
Power Take-off (PTO)
Dimensions & Tires
228 cm
1956 - 1958
| 1956 - 1958 |
| Two-Cylinder 20 Series |
| Row-Crop tractor |
John Deere 620 Tires
| John Deere 620 Tires | |
| Ag front: | 6.00-16 |
| 7.50-20 (high-crop) | |
| Ag rear: | 12.4-38 |
| 13-30 (standard) | |
Dimensions
| 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) |
John Deere 620 Weight
| John Deere 620 Weight | |
| Shipping: | 5,858 lbs 2657 kg |
| Operating: | 6,800 lbs 3084 kg |
| Ballasted: | 8,769 lbs 3977 kg |
John Deere 620 attachments
1956 - 1958
| 1956 - 1958 |
| Two-Cylinder 20 Series |
| Row-Crop tractor |
John Deere 45 Loader
| John Deere 45 Loader | |
| Height (to pin): | 126 inches 320 cm |
| Lift to full height (at pin): | 2000 lbs 907 kg |
620 Serial Numbers
how to read serial numbers...
Electrical
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