John Deere 620 tractor specifications

1956 - 1958

1956 - 1958 Two-Cylinder 20 SeriesRow-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

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

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 ...

1956 - 1958

Two-Cylinder 20 Series

Row-Crop tractor

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
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
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

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 ...

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

Mechanical Chassis:4x2 2WD
Steering:power assist
Brakes:differential mechanical contracting band
Cab:Open operator station.
Transmission:6-speed unsynchronized gear
Transmission details ...

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

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 ...

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

John Deere 620 attachments front-end loader Attachment details ...

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

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...