John Deere 620 Specifications

Production

Where was the tractor manufactured, and how many were built?

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

Variants

What different models of the tractor were available?

• 620: Row-crop
• 620S: Standard
• 620O: Orchard
• 620HC: High-crop

Engine Specifications

What type of engines does the tractor use and what are their capacities?

• John Deere 5.0L 2-cylinder gasoline
• John Deere 5.0L 2-cylinder all-fuel
• John Deere 5.0L 2-cylinder LP gas
• 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
• Auxiliary fuel capacity: 1 gal / 3.8 L

Transmission

What type of transmission does the tractor have?

• 6-speed unsynchronized gear

Horsepower

What is the horsepower rating of the tractor?

• 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

Mechanical

What are the key mechanical features of the tractor?

• Two-wheel drive
• Steering: Power assist
• Brakes: Differential mechanical contracting band brakes
• Open operator station

Hydraulics

What are the specifications of the tractor's hydraulic system?

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

Tractor Hitch

What hitch type does the tractor feature?

• Rear Type: II

Power Take-off (PTO)

What is the RPM of the rear PTO?

• Rear RPM: 540

Dimensions & Tires

What are the dimensions and tire specifications of the tractor?

• Wheelbase: 90 inches / 228 cm
• Weight: 5,858 to 6,800 pounds
• Front tire: 6.00-16
• Rear tire: 12.4-38

Electrical

What are the electrical specifications of the tractor?

• Ground: Positive
• Batteries: 2
• Battery volts: 6