620 by John Deere

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

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

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

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

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

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

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

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...

Electrical

Electrical Ground:positive
Batteries:2
Battery volts:6

620 relate tractors