John Deere 620 Specs ( 1956-1958 )
Production
| Description | Row-Crop tractor / Built in Waterloo, Iowa, USA / Original price was $3,000 in 1956 |
|---|---|
| Manufacturer | John Deere |
| Total built | 20,848 |
Engine
| Air cleaner | oil bath / oil bath |
|---|---|
| Bore/Stroke | 5.50x6.375 inches (140 x 162 mm) / 5.50x6.375 inches (140 x 162 mm) / 5.50x6.375 inches (140 x 162 mm) |
| Compression | 4.78:1 / 8.1:1 |
| Coolant capacity | 26 qts (24.6 L) |
| Description | John Deere / gasoline / 2-cylinder 4-valve / liquid-cooled / John Deere / all-fuel / 2-cylinder 4-valve / liquid-cooled / John Deere / LP gas / 2-cylinder 4-valve / liquid-cooled |
| Displacement | 302.9 ci (5.0 L) / 302.9 ci (5.0 L) / 302.9 ci (5.0 L) |
| Firing order | 1-2 / 1-2 / 1-2 |
| Oil capacity | 8 qts (7.6 L) / 8 qts (7.6 L) / 8 qts (7.6 L) |
| Rated RPM | 1125 / 1125 / 1125 |
| Starter volts | 12 / 12 / 12 |
| Engine type | John Deere 5.0L 2-cyl gasoline / John Deere 5.0L 2-cyl all-fuel / John Deere 5.0L 2-cyl LP gas |
| Aux. fuel | 1 gal (3.8 L) |
| Engine type | 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 (all-fuel) (77.6 L) |
| Belt (tested) | 49.19 hp (36.7 kW) |
| Drawbar (claimed) | 44 hp (32.8 kW) |
| Drawbar (tested) | 44.81 hp (33.4 kW) |
| PTO (claimed) | 48 hp (35.8 kW) |
Transmission
| Clutch | mechanical dry disc |
|---|---|
| Gears | 6 forward and 1 reverse |
| Manufacturer | John Deere |
| Oil capacity | 24 qts (22.7 L) |
| Transmission type | 6-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Differential mechanical contracting band brakes |
| Drive type | Two-wheel drive |
| Steering | power assist |
Hydraulics
| Pressure | 1200 psi (82.7 bar) |
|---|---|
| Pump flow | 8.9 gpm (33.7 lpm) |
| Valves | 1 or 2 |
Hitch
| Rear Type | II |
|---|
PTO
| Rear PTO Type | 540 |
|---|
Electrical
| Batteries | 2 |
|---|---|
| Battery volts | 6 |
| Ground | positive |
Dimensions & Tires
| Height | 88.125 inches (223 cm) |
|---|---|
| High-crop Height | 96.75 inches (245 cm) |
| High-crop Length | 147.1875 inches (373 cm) |
| High-crop Width | 74 inches (187 cm) |
| Length | 135.25 inches (343 cm) |
| Rear tread | 58 to 88 inches (147 to 223 cm) / 58 to 104 inches (long axle) (147 to 264 cm) |
| Wheelbase | 90 inches (228 cm) |
| Width | 86.625 inches (220 cm) |
| Front tire | 6.00-16 |
| Rear tire | 12.4-38 |
| Weight | 5858 to 6800 pounds |
| Wheelbase | 90 inches (228 cm) |
| Ag front | 6.00-16 |
| Ag rear | 12.4-38 |
620 Serial Number Location
| Description | Serial number plate on the right side of the 620 tractor frame, below the belt pulley. |
|---|
620 Serial Numbers
| 1956 | 6200000 |
|---|---|
| 1957 | 6203778 |
| 1958 | 6215048 |
| Description | FAQ: How to read a serial number table. |
| Final | 6222686 |
John Deere 620 Weight
| Ballasted | 8,769 lbs (3977 kg) |
|---|---|
| Operating | 6,800 lbs (3084 kg) |
| Shipping | 5,858 lbs (2657 kg) |
John Deere 620 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 591
| Belt fuel use (max) | 5.2 gal/hour (19.7 l/hour) |
|---|---|
| Belt power (max) | 49.19 hp (36.7 kW) |
| Description | LP gas 6-speed 2WDSeptember 6 - 11, 1956Link: Nebraska Tractor Test 591 file / Drawbar performance / Gear 4 used for power test. / Gear 2 used for pull test. |
| Max power | 44.81 hp (33.4 kW) |
| Max pull | 5,920 lbs (2685 kg) |
Nebraska Tractor Test 598
| Belt fuel use (max) | 4.2 gal/hour (15.9 l/hour) |
|---|---|
| Belt power (max) | 46.75 hp (34.9 kW) |
| Description | Gasoline 6-speed 2WDOctober 10 - 15, 1956Link: Nebraska Tractor Test 598 file / Drawbar performance / Gear 4 used for power test. / Gear 1 used for pull test. |
| Max power | 42.40 hp (31.6 kW) |
| Max pull | 6,122 lbs (2776 kg) |
Nebraska Tractor Test 604
| Belt fuel use (max) | 3.4 gal/hour (12.9 l/hour) |
|---|---|
| Belt power (max) | 34.57 hp (25.8 kW) |
| Description | Tractor fuel 6-speed 2WDNovember 1 - 8, 1956Link: Nebraska Tractor Test 604 file / Drawbar performance / Gear 4 used for power test. / Gear 1 used for pull test. |
| Max power | 32.37 hp (24.1 kW) |
| Max pull | 6,107 lbs (2770 kg) |
References
| Description | The John Deere 20 series Two Cylinder Tractors by Benjamin Hain / Tractors 1918-1976 published by John Deere* / The 1957 John Deere Tractors are here! / Facts about horsepower and fuel economy published in 1957, by John Deere / *Publication contains known errors. |
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Speeds
| Description | With 13.6-38 rear tires. |
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Tractor Tests
| Description | NTTL 591: LP gas 6-speed 2WD / NTTL 598: gasoline 6-speed 2WD / NTTL 604: tractor fuel 6-speed 2WD |
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Variants
| 620 | row-crop |
|---|---|
| 620HC | high-crop |
| 620O | orchard |
| 620S | standard |