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John Deere 620

The John Deere 620 is a tractor produced by John Deere. It is equipped with a 302.9 ci 5.0 L engine. Transmission: 6 forward and 1 reverse. Operating weight: 5858 to 6800 pounds.

Fuel & Capacities
LP gas
Transmission
6 forward and 1 reverse
Operating Weight
5858 to 6800 pounds

Overview

John Deere 620 tractor photo
1956 - 1958 Two-Cylinder 20 SeriesRow-Crop tractor Two-Cylinder 20 Series Row-Crop tractor
Production
Manufacturer
John Deere
Row-Crop tractor
Built in Waterloo, Iowa, USA
Total built
20,848
Original price was $3,000 in 1956
Variants
620
row-crop
620S
standard
620O
orchard
620HC
high-crop
John Deere 620 Transmission
6-speed unsynchronized gear
Transmission details ...
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
Performance test details ...
Mechanical
Two-wheel drive
Steering
power assist
Differential mechanical contracting band brakes
Open operator station.
Hydraulics
Pressure
1200 psi 82.7 bar
Valves
1 or 2
Pump flow
8.9 gpm 33.7 lpm
Tractor hitch
Rear Type
II
Power Take-off (PTO)
Rear PTO Type
540
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 ...
Electrical
Ground
positive
Batteries
2
Battery volts
6
References
620 references literature
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.

Engine

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

Engine Detail — 302.9 ci / 5.0 L Gasoline

Manufacturer
John Deere
Fuel Type
Gasoline
Configuration
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

Engine Detail — 302.9 ci / 5.0 L

Manufacturer
John Deere
Configuration
2-cylinder 4-valve, liquid-cooled
all-fuel
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 — 302.9 ci / 5.0 L LP Gas

Manufacturer
John Deere
Fuel Type
LP gas
Configuration
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

Transmission

Transmission — 6 forward and 1 reverse unsynchronized gear

Manufacturer
John Deere
Type
unsynchronized gear
Gears
6 forward and 1 reverse
Clutch
mechanical dry disc
Oil capacity
24 qts 22.7 L
With 13.6-38 rear tires.
620 unsynchronized gear speeds

Dimensions

John Deere 620 Tires
Ag front
6.00-16
7.50-20 (high-crop)
Ag rear
12.4-38
13-30 (standard)
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
Shipping
5,858 lbs 2657 kg
Operating
6,800 lbs 3084 kg
Ballasted
8,769 lbs 3977 kg

Tests

Tractor Tests
NTTL 591: LP gas 6-speed 2WD
NTTL 598: gasoline 6-speed 2WD
NTTL 604: tractor fuel 6-speed 2WD
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
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
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.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 620.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

John Deere 620 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 620.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS

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