John Deere 4020 For Sale – 1964–1972 Diesel & Gas Models at $6,500

The John Deere 4020 for sale at Farmers Equipment is one of the most enduring classic tractors ever built  produced from 1964 to 1972 and still working on farms across the country today. A tractor that defined American farming in the 1960s and still earns its place today. 95–105 HP, proven 6-cylinder engine, independent PTO, available in diesel, gas, and LP. Priced at $6,500 with worldwide shipping available.

This is not a museum piece. It earns its keep. Condition-reported before listing  contact us for photos, inspection details, and to confirm fuel type and transmission on the current unit.

For independent specifications see TractorData.com. Browse our full John Deere range to compare all models.

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Why the John Deere 4020 Is Still a Smart Buy

Parts availability. Aftermarket and OEM replacement parts are still widely stocked — engine, hydraulics, transmission, and 3-point hitch all well-supported. A tractor from 1968 you can still get parts for is a fundamentally different proposition from an obscure vintage machine with no supply chain.

Mechanical simplicity. No electronics, no DEF fluid, no complex emissions systems. Everything is mechanical and diagnosable by a hands-on owner or local mechanic. Maintenance costs stay predictable, repairs stay manageable.

Real working capability. 95–105 HP pulls mid-size implements, runs a loader, handles hay work, and manages daily farm tasks on properties of 50–200 acres. The 4020 was the best-selling tractor of its era for good reason — those same qualities still apply today.

John Deere 4020 Specs

Contact Farmers Equipment to confirm fuel type, transmission, year, and condition on the specific unit currently available:

Specification	4020 Details
Production Years	1964–1972
Engine	John Deere 6-cylinder, 404 cubic inch
Horsepower	95–105 HP (varies by fuel type and year)
Fuel Options	Diesel, Gasoline, LP Gas
Transmission Options	Syncro-Range 8-speed or Power Shift 8-speed
Hydraulics	Closed-center system
PTO	Independent 540/1,000 RPM
Three-Point Hitch	Category II
Loader Compatible	Yes
Operating Weight	Approx. 8,400 lbs (varies by configuration)
Price	$6,500

Diesel vs Gas — Which John Deere 4020 Should You Buy?

Feature	Diesel 4020	Gas 4020
Torque	Higher — better for heavy pulling and loader work	Lower — adequate for lighter tasks
Fuel Economy	Better — more work per gallon	Higher fuel consumption
Cold Starting	Harder in cold climates — glow plugs required	Easier cold starts
Engine Longevity	Longer lifespan under heavy use	Slightly shorter under heavy use
Best For	Working farms, heavy daily use, loader work	Hobby farms, collectors, lighter use

For most buyers planning to use the 4020 as a working tractor, the diesel is the right choice. The gas model suits lighter use and collectors who prefer simpler cold-weather starting. Contact us to confirm which fuel type is on the current unit.

Power Shift vs Syncro-Range

Syncro-Range is an 8-speed transmission with a clutch familiar to any operator who has driven a manual tractor. Straightforward, reliable, easy to service. Most 4020 units came with this setup.

Power Shift shifts under load without a clutch appreciated for loader work and field operations where frequent speed changes are needed. Power Shift units typically command a premium on the used market. Contact us to confirm which transmission is on the current unit.

What Can You Use the John Deere 4020 For?

• Working farm use — tilling, plowing, pulling hay equipment, running a grain auger, and managing daily operations on 50–200 acre farms; Category II 3-point hitch handles most mid-size implements without strain
• Loader work — closed-center hydraulics give responsive loader control; a loader-equipped 4020 is one of the most capable vintage loader tractors at this price point
• Hay & forage — independent 540/1,000 RPM PTO runs mowers, balers, tedders, and rakes; the 4020 has been a hay tractor on American farms for over 50 years
• Collector & restoration — one of the most collected vintage John Deere models; strong parts supply chain makes a full restoration practical; well-preserved units retain excellent resale value

John Deere 4020 vs 3020 — Which Is Right for You?

Feature	4020 (this unit)	3020
Horsepower	95–105 HP	~70 HP
Best Farm Size	50–200 acres, heavier work	Up to 100 acres, light to moderate
Operating Weight	~8,400 lbs	~7,000 lbs
Price	$6,500	$5,500
Best For	Mid-size farms, heavy pulling, loader	Small farms, hay, light tillage

For heavier work or larger properties the 4020 is the right step up. For farms under 100 acres with lighter daily tasks, see our John Deere 3020 for sale at $5,500.

Why Buy From Farmers Equipment?

• $6,500 — competitive for a running John Deere 4020 in good condition
• Diesel, gas, and loader options — contact us to confirm current unit specification
• Condition-reported before listing — photos and inspection details available on request
• We ship globally — export paperwork handled end-to-end
• Transparent pricing — no hidden fees

Need less HP? See the John Deere 3020 at $5,500. Need more? Browse the full John Deere range.

Frequently Asked Questions: John Deere 4020 For Sale

Is the John Deere 4020 still worth buying in 2026?

Yes — and for most of the same reasons it sold so well in the 1960s. Parts are still widely available, the mechanical systems are simple enough for any competent mechanic, and 95–105 HP is genuinely useful for small to mid-size farm work. The main trade-off versus a modern tractor is no 4WD and no electronics — but for buyers who want predictable running costs and a machine they can fix themselves, that’s often a feature rather than a limitation. Well-maintained 4020s sell quickly when they come up at the right price.

What horsepower is a John Deere 4020?

95–105 HP depending on fuel type and model year. Diesel versions typically produce slightly more usable torque than equivalent gas models.

What is the John Deere 4020 price?

The unit at Farmers Equipment is priced at $6,500. Market prices for used 4020 tractors range from $5,000 for high-hour working units to $10,000+ for low-hour diesel or Power Shift models in excellent condition. Loader-equipped units typically command a $1,000–$3,000 premium.

Is the John Deere 4020 diesel or gas better?

For regular farm work and loader use the diesel is the better choice — stronger torque, better fuel economy, and longer engine life. The gas model suits lighter use, hobby farms, and collectors who prefer simpler cold-weather starting.

What transmission does the John Deere 4020 have?

Syncro-Range 8-speed (clutch required) or Power Shift 8-speed (shifts under load, no clutch). Power Shift units are less common and typically priced higher. Contact us to confirm which transmission is on the current unit.

Can I get worldwide shipping on the John Deere 4020?

Yes — we ship globally. Send us your location for a delivered price quote.

Ready to Buy the John Deere 4020?

95–105 HP, diesel or gas, Power Shift or Syncro-Range, loader compatible — $6,500.

Tell us what you need and where it’s going — we’ll handle the rest.