John Deere 4020 Tractor Review & Specifications

John Deere 4020 Tractor Review & Specifications

brand:

John Deere

model:

John Deere 4020

engine:

John Deere

engine type:

John Deere 6.6L 6-cyl diesel liquid-cooled inline

transmission & oil capacity:

52 qts [49.2 L]

year:

1963 – 1972

fuel type:

Diesel

cylinders:

6

John Deere 4020 is a popular model of John Deere’s new generation series. This agricultural tractor was manufactured from 1964 to 1972. It replaced nearly identical John Deere 4010 and offered reformed features over its previous model. This improved model evolved as a very powerful tractor and was famously known as the bull of tractor. It came to the market with more horsepower, heavier rear axles, and a differential lock, etc.

John Deere 4020 offers three engine choices: petrol, diesel, and LPG. Its Diesel tractor has a six-cylinder engine tested at 84 drawbars and 91 PTO horsepower. It offers a standard Syncro Range transmission with 8 forward speeds and two reverse speeds. Also, an optional power shift transmission is available with this tractor.

If you are interested in this famous vintage tractor, get accurate information about  John Deere 4020 here. This post is all about its specifications, key features, transmission, price, parts, etc. So read out below about the ’60s most famous bull of tractor John Deere 4020.

John-Deere-4020-review

Features Of John Deere 4020

John Deere 4020 is a very popular agricultural tractor. This powerful tractor is equipped with advanced features that make it the best tractor of all time. Here are the key features of the Ford 3000 tractor.

John-Deere-4020-review-specs

Engine

John Deere 4020 is an excellent tractor and offers three choices of engine: petrol, diesel, and LPG. Its Diesel variant has a six-cylinder engine tested at 84 drawbars and 91 PTO horsepower. This engine has 404 cubic-inch displacements and is rated at 91.17 PTO hp. Its efficiency improved over the years with comeliness, turbo-charging, and inter-cooling, etc. This classic engine continued to the next model of John Deere Tractors.

Hydraulic System

John Deere 4020 has a closed and powerful Hydraulic System with a lifting capacity of 3,790 lbs. When the hydraulic system remains in a neutral position, the flow of oil is blocked by the closed center valve. It offers a variable displacement system by producing constant pressure.

Transmission

John Deere 4020 provides a standard Syncro transmission with 8 forward and two reverse speeds. There is an optional power shift transmission in this model. Also, there are other options like dual rear wheels and an enclosed cab with air conditioning.

John Deere’s new Powershift transmission offers an entirely new style of transmission. You can switch between the park, neutral, eight forward speeds, and four reverse speeds with a single lever.

Pros Of John Deere 4020

  • It is a powerful agricultural tractor.
  • It offers a six-cylinder engine tested at 84 drawbars and 91 PTO horsepower.
  • John Deere 4020 provides a standard Syncro transmission with 8 forward and two reverse speeds.
  • It includes a Foot-operated hydraulically actuated Differential Lock
  • This model has Full power hydrostatic steering
  • It has an excellent cooling system with a centrifugal pump and thermostatic heat control
  • It has a closed and powerful Hydraulic System with a lifting capacity of 3,790 lbs.
  • It includes a front-end loader and various rear attachments.

Cons Of John Deere 4020

  • This model doesn’t run well on modern gas fuel.
John-Deere-4020

Price Of John Deere 4020

The price of a used John Deere 4020 ranges from USD 7000 to USD 2000. The accurate price depends on the location and condition of the tractor.

Checklist For Buying A Tractor

When you buy a used tractor, it is important to check its condition to avoid any loss. Here is a checklist to consider before buying a tractor.

  • Check how the engine starts.
  • Check if there is any leakage.
  • Check if it makes any unusual noises.
  • Check if there is any rust in the tractor.
  • Check if there is any damage to the tractor.

Manufacturing Date

You can identify the manufacturing year of John Deere 4020 from the serial numbers. The identification plate is located just below the steering.

Year Serial Number

1964: 65000

1965: 91000

1966: 119000

1967: 145660

1968: 173982

1969: 201000

1970: 222160

1971: 250000

1972: 260791

Final:  270288

Conclusion

John Deere 4020 was the most famous and popular tractor in the late 60s. For its powerful hydraulic system and other advanced features, it was called bull of tractor. Hopefully, this article will help you to know more information about this outstanding vintage tractor.

Technical Specifications

engine details

Engine Model:
NA
Engine type:
John Deere 6.6L 6-cyl diesel liquid-cooled inline
Cylinders:
6
Fuel type:
Diesel
Fuel capacity
34 gal [128.7 L]
Oil capacity:
12 qts [11.4 L]
Rated RPM:
2200
Intake valve clearance:
0.018 inches [0.457 mm]
Bore and stroke:
4.25×4.75 inches [108 x 121 mm]
Compression ratio:
16.5:1
Horsepower:
NA
Starter:
Electric
Coolant capacity:
24 qts [22.7 L]
Displacement:
404 ci [6.6 L]
Torque RPM:
1500-2200
Exhaust valve clearance:
0.018 inches [0.457 mm]

power details

Drawbar (Claimed):
NA
PTO (Claimed):
NA
Belt (Claimed):
NA
Plows:
NA
Drawbar (Tested):
83.79 hp [62.5 kW]
PTO (Tested):
95.83 hp [71.5 kW]
Belt (Tested):
NA

Transmission and Chassis

Chassis:
4×2 2WD 4×4 HFWD 4WD
Steering type:
power
Brakes:
hydraulic wet disc
Transmission model:
John Deere Syncro-Range
Transmission type:
Partially synchronized
Gears:
8 forward and 2 reverse
Speed:
Forward: 11.8 Mph [19.0 Kmph] Reverse: 5.2 Mph [8.5 kmph]
Transmission oil capacity:
52 qts [49.2 L]

Dimensions and Tires

Wheelbase:
Standard Wheelbase: 100.25 inches [254 cm]
Weight:
8225 to 9560 pounds
Height:
Standard Steering wheel: 78.25 inches [198 cm]
Front tire:
6.00-16
Rear tire:
15.5-38
Height (Exhaust):
NA

Hitch and Attachments

Mower deck type:
NA
Mid mower deck:
NA
Blade type:
NA
Hitch Type:
Rear Type: II
Attachment list:
John Deere 148 Loader, John Deere 158 Loader, John Deere 48 Loader
Mower deck size:
NA
Mid mower deck size:
NA
Blade Width:
NA

John Deere 4020 Tractor Review & Specifications

brand:

John Deere

model:

John Deere 4020

engine:

John Deere

engine type:

John Deere 6.6L 6-cyl diesel liquid-cooled inline

transmission & oil capacity:

52 qts [49.2 L]

year:

1963 – 1972

fuel type:

Diesel

cylinders:

6

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