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John Deere 620

John Deere 620 tractor
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The John Deere 620 is a row-crop tractor produced from 1956 to 1958 as part of the Two-Cylinder 20 Series. It was built in Waterloo, Iowa, USA, with a total production of 20,848 units. The tractor features a 5.0L 2-cylinder engine available in gasoline, all-fuel, and LP gas variants. It has a 6-speed unsynchronized transmission and offers 44 hp drawbar power (claimed). The 620 includes power assist steering, mechanical contracting band brakes, and an open operator station. It supports a rear Type II hitch and a 540 rpm PTO. The tractor weighs between 5,858 and 6,800 lbs depending on configuration, with ballasted weight up to 8,769 lbs. It has various tire options and dimensions suitable for row-crop farming. Attachments include a 45 Loader with 2000 lbs lift capacity. Electrical system uses positive ground with two 6-volt batteries.
John Deere 620tractorspecificationsenginetransmissiondimensionspowerhydraulicsattachmentsrow-crop tractor
Power53 hp[P]
Founded1956 - 1958
Model620

Technical Specifications

Detailed specifications and technical data for John Deere 620

Power

Belt (tested):49.19 hp (36.7 kW)
PTO (claimed):48 hp (35.8 kW)
Drawbar (tested):44.81 hp (33.4 kW)
Drawbar (claimed):44 hp (32.8 kW)

Engine

Options:John Deere 5.0L 2-cyl gasoline, John Deere 5.0L 2-cyl all-fuel, John Deere 5.0L 2-cyl LP gas
LP gas engine: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)
Auxiliary fuel:1 gal (3.8 L)
All-fuel engine: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)
Gasoline engine: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 (orchard) (26.5 L)
Fuel tank capacity:20.5 gal (all-fuel) (77.6 L), 22.25 gal (gasoline) (84.2 L), 33 gal (LP gas) (124.9 L)

Variants

620:row-crop
620O:orchard
620S:standard
620HC:high-crop

Electrical

Ground:positive
Batteries:2
Battery volts:6

Hydraulics

Valves:1 or 2
Pressure:1200 psi (82.7 bar)
Pump flow:8.9 gpm (33.7 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Differential mechanical contracting band brakes
Steering:power assist
Operator station:Open operator station

Production

Type:Row-Crop tractor
Built in:Waterloo, Iowa, USA
Total built:20,848
Manufacturer:John Deere
Original price:$3,000 in 1956
Years produced:1956 - 1958

Attachments

Loader:45 Loader
Lift height:126 inches height (at pin) (320 cm)
Lift capacity:2000 lbs lift (full at pin) (907 kg)

Transmission

Type:unsynchronized gear
Gears:6 forward and 1 reverse
Clutch:mechanical dry disc
Manufacturer:John Deere
Oil capacity:24 qts (22.7 L)

Tractor hitch

Rear Type:II

Serial Numbers

1956:6200000
1957:6203778
1958:6215048
Final:6222686
Serial number location:Serial number plate on the right side of the 620 tractor frame, below the belt pulley.

Dimensions & Tires

Width:86.625 inches (220 cm)
Height:88.125 inches (223 cm)
Length:135.25 inches (343 cm)
Rear tire:12.4-38, 13-30 (standard)
Wheelbase:90 inches (228 cm)
Front tire:6.00-16, 7.50-20 (high-crop)
Rear tread:58 to 88 inches (147 to 223 cm), 58 to 104 inches (147 to 264 cm) (long axle)
High-crop Width:74 inches (187 cm)
Shipping weight:5,858 lbs (2657 kg)
Ballasted weight:8,769 lbs (3977 kg)
High-crop Height:96.75 inches (245 cm)
High-crop Length:147.1875 inches (373 cm)
Operating weight:6,800 lbs (3084 kg)

Power Take-off (PTO)

Rear PTO Type:540

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