John Deere tractor · 1965-1972

John Deere 5020 Tractor

The John Deere 5020 is a large two-wheel-drive tractor built from 1965 through 1972. Its 8.7 L six-cylinder diesel, 140 PTO horsepower rating, and heavy construction made it a major high-horsepower field tractor of its era.

Production years

1965-1972

Engine

John Deere 8.7 L, 6-cylinder diesel

Power

140 PTO hp claimed

Weight

14,510-17,350 lb, depending on configuration

John Deere 5020 specifications

Production years	1965-1972
Engine	John Deere 8.7 L, 6-cylinder diesel
Power	140 PTO hp claimed
Transmission	8-speed partially synchronized, 8F/2R
Weight	14,510-17,350 lb, depending on configuration
Fuel type	Diesel
PTO	Independent 1,000 rpm
Hydraulics	Closed-center, 22 gpm pump

What the 5020 is used for

The 5020 was designed for large-acreage tillage, planting, and other heavy drawbar or PTO work. Its weight, power, and 1,000-rpm PTO suited big implements of the late 1960s and early 1970s.

Today, owners use them for vintage field demonstrations, tractor shows, parades, and occasional heavy farm work. It is best suited to an owner with room to operate and store a large classic tractor.

Why the John Deere 5020 stands out

The 5020 is one of John Deere's best-known early high-horsepower tractors. Its durable large-displacement diesel, closed-center hydraulics, and strong collector following make original, well-maintained examples especially popular.

Buying a used John Deere 5020

Check for hard starting, excessive blow-by, oil or coolant contamination, and neglected cooling-system service. Drive through every transmission range, test the independent PTO, brakes, steering, and hydraulics under load, and inspect for hydraulic leaks and front-end wear. Confirm exact specifications and serial information with TractorData.com and serial-number records.

John Deere 5020 frequently asked questions

How much horsepower does a John Deere 5020 have?

The 5020 was rated at 140 PTO horsepower. Nebraska testing recorded about 141 PTO horsepower.

What years was the John Deere 5020 made?

John Deere built the 5020 from 1965 through 1972.

Is the John Deere 5020 a good tractor today?

It is a capable heavy-work and collector tractor when maintained properly, but its engine, transmission, and hydraulic condition should be inspected carefully.

Specifications are commonly cited figures for general reference; exact figures vary by year and serial number, so confirm against TractorData.com and the machine's records. Values and prices of used tractors vary by condition and region. Page updated Aug 4, 2026.

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