John Deere 3020

Last Updated: July 2024

Overview

The John Deere 3020 is a 2WD row-crop tractor with a 4-cylinder gasoline engine displacing 227 cubic inches. It has power-assist steering, 8 forward and 2-4 reverse gears, and an independent PTO. Based on independent testing, key performance figures include a maximum power output of 64.14 HP at 2500 rpm, fuel consumption of 6.187 Gal/hr at max power, and 59.33 HP at the 1000 rpm PTO speed. Drawbar performance peaked at 54.60 HP with a 4006 lb pull. Weights ranged from 7,695 lbs without ballast to 9,495 lbs with ballast.

Key Specifications

Category: Row Crop

Transmission: Partially synchronized with dry disc clutch / Full power shift with hydraulic wet disc clutch

Drive Type: 2WD

Operating Weight: 7,695 / 9,495

Fuel Type: Gasoline / Diesel / LP-gas

Image Gallery

John Deere 3020 Tractor

Technical Specifications

Engine

Manufacturer: John Deere
Model: John Deere
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: -
Fuel Type: Gasoline / Diesel / LP-gas
Induction Type: Naturally Aspirated
Cylinders: 4
Displacement (ci): 227.0
Bore (in): 4.25
Stroke (in): 4.0
Rated RPM: -
Power Output (hp): -

Transmission

Type: Partially synchronized with dry disc clutch / Full power shift with hydraulic wet disc clutch
Forward Gears: 8
Reverse Gears: 2-4
Total Gears: -

Dimensions

Length (in): 138.2
Width (in): 89.4
Height (in): 87.4
Operating Weight (lb): 7,695 / 9,495

Power Take-Off (PTO)

PTO Type: Independent
PTO Speed 1 (rpm): 540 / 1000
PTO Speed 2 (rpm): 1000
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2 2WD
Drive Type: 2WD
Steering Type: Power Assist
Coolant Capacity (qts): -
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: Agricultural
Manufacture - End Year: 1968
Hitch Type: -
Hitch Category: Category II
Hitch Position: -
Hitch Capacity (lb): -
Operator Station Type: Open
Starter Type: Electric
Brake Type: Differential hydraulic wet disc
Hydraulic System Type: Closed Center

Test Results

Nebraska Tractor Test Laboratory - Test Date: September 30 to October 7, 1963

Maximum Power and Fuel Consumption

Maximum Power: 64.14 HP at 2500 rpm
Fuel Consumption at Maximum Power: 6.187 Gal/hr with a fuel efficiency of 0.598 lb/hp.hr and 10.37 Hp.hr/gal
Standard Power Take-off Speed (1000 rpm): 59.33 HP at 2067 rpm with 5.553 Gal/hr fuel consumption and 0.580 lb/hp.hr

Drawbar Performance

Maximum Available Power (4th Gear): 54.60 HP with a drawbar pull of 4006 lbs and a speed of 5.11 mph
75% of Pull at Maximum Power (4th Gear): 43.78 HP with a drawbar pull of 3050 lbs and a speed of 5.38 mph
50% of Pull at Maximum Power (4th Gear): 30.06 HP with a drawbar pull of 2073 lbs and a speed of 5.44 mph

Varying Drawbar Power and Fuel Consumption

Average Power: 34.40 HP at 2602 rpm with 4.537 Gal/hr fuel consumption and 0.818 lb/hp.hr
Power: 56.60 HP at 2595 rpm with 5.977 Gal/hr fuel consumption and 0.655 lb/hp.hr
Power: 0.00 HP at 2656 rpm with 2.541 Gal/hr fuel consumption

Hydraulic Performance

Maximum Force Exerted: Not specified in this report
Pump Delivery Rate: Not specified in this report
Hydraulic Power: Not specified in this report

Overall Weight and Tires

With Ballast Total Weight: 9495 lbs
Without Ballast Total Weight: 7695 lbs
Rear Tires Size: Two 15.5-38; 6-ply
Front Tires Size: Two 6.00-16; 6-ply

Nebraska Tractor Test Lab. (1963). Test 851: John Deere 3020 Gas. University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/402