Give Feedback
Machinery Pete logo
You must enter a search term to perform a search.
Find Used EquipmentTractors40-99 HPJohn Deere4020

Used John Deere 4020 Tractors for Sale (51 listings)

The John Deere 4020 Tractor ranges in price from as low as $900 to $31,000 according to Machinery Pete's auction data.
Filters / Sort
Most Popular

Most Popular 40-99 HP John Deere 4020 Listings

1966 John Deere 4020 40-99 HP
1966 John Deere 4020 $27,500 USD
1965 John Deere 4020 40-99 HP
1965 John Deere 4020 $10,950 USD
1965 John Deere 4020 40-99 HP
1965 John Deere 4020 $13,500 USD
1968 John Deere 4020 40-99 HP
1968 John Deere 4020 $17,500 USD
1972 John Deere 4020 40-99 HP
1972 John Deere 4020 $23,500 USD
View: 24 36 48 72
Within 400+ miles of 20149 Save search
John Deere 4020 40-99 HP

John Deere 4020

Save
Call for price
SALVAGE ONLY - CONTACT US FOR YOUR PARTS NEEDS
Call for price
MacFadden & Sons Inc. - Sharon Springs
Sharon Springs, NY
3961 miles away
(518) 284-2090
Call (518) 284-2090
View Full Listing
1971 John Deere 4020 40-99 HP
11 photos

1971 John Deere 4020

Save
Call for price 5392 hours
Drive: 2 WD
HP: 100
Hours: 5392
rops & canopy, synchro, side console, 2 front weights, 2 remotes, 540/1000, R&P, toolbox & toplink, all matching tires 70%, off hay farm retirement, Mint Condition!!
Call for price
5392 hours
Burkholder Tractor & Equipment LLC - Crest Rd.
Lebanon, PA
4133 miles away
(717) 272-2352
Call (717) 272-2352
View Full Listing
1970 John Deere 4020 40-99 HP
17 photos

1970 John Deere 4020

Save
Call for price 1559 hours
Drive: 4 WD
HP: 100
Hours: 1559
Rollbar& canopy, Powershift, side console, 2 remotes, 540/1000 Pto, front weights, 18.4x38 60%, 10.00-16 90%, toplink, new style step, 1559 hours on engine overhaul, excellent condition
Call for price
1559 hours
Burkholder Tractor & Equipment LLC - Flintville Rd
Lebanon, PA
4133 miles away
(717) 949-2123
Call (717) 949-2123
View Full Listing
1971 John Deere 4020 40-99 HP
13 photos

1971 John Deere 4020

Save
Call for price 6000 hours
Drive: 2 WD
HP: 100
Hours: 6000
Rollbar & canopy, Synchro, side console, 2 remotes, 540/1000 Pto, front weights, rear wheel weights, 18.4x34 new, 11L-15 60%, toplink, runs good
Call for price
6000 hours
Burkholder Tractor & Equipment LLC - Flintville Rd
Lebanon, PA
4133 miles away
(717) 949-2123
Call (717) 949-2123
View Full Listing
1966 John Deere 4020 40-99 HP
10 photos

1966 John Deere 4020

Save
Call for price 4083 hours
Drive: 2 WD
HP: 100
Hours: 4083
diesel, synchro, 540/1000, R&P, 2 remotes, 6 front weights, 1 rear wheel weight on each side, all tires 70%, less than 300 hrs on complete engine overhaul, Very Nice!!
Call for price
4083 hours
Burkholder Tractor & Equipment LLC - Crest Rd.
Lebanon, PA
4133 miles away
(717) 272-2352
Call (717) 272-2352
View Full Listing
1966 John Deere 4020 40-99 HP
13 photos

1966 John Deere 4020

Save
Call for price 1919 hours
Drive: 2 WD
HP: 100
Hours: 1919
Diesel, Synchro, 2 remotes, 540/1000 Pto, 18.4x34 80%, 11L-15 30%, Front weights, toplink, differential lock
Call for price
1919 hours
Burkholder Tractor & Equipment LLC - Flintville Rd
Lebanon, PA
4133 miles away
(717) 949-2123
Call (717) 949-2123
View Full Listing
John Deere 4020 40-99 HP
1 photos

John Deere 4020

Save
$13,900 USD 0 hours
Drive: 2 WD
HP: 100
95 Horse power diesel / 8x2 Transmission / 1 rear remote / tires are 60% / 3 point hitch / rear 540 PTO. / Hours ???
$13,900 USD
0 hours
Messick's - Abbottstown
Abbottstown, PA
4177 miles away
View Full Listing
1972 John Deere 4020 40-99 HP
37 photos

1972 John Deere 4020

Save
$22,500 USD 2107 hours
Hours: 2107
JD 4020, 1972 Year, Syncro Range, Dual Remote, 540/1000 PTO, Good Rubber, Weights, Nice Tight Shifting Tractor That Checks Out Well!
$22,500 USD
2107 hours
Grateful Acres - Orrstown
Orrstown, PA
4197 miles away
(717) 415-5947
Call (717) 415-5947
View Full Listing
1971 John Deere 4020 40-99 HP
12 photos

1971 John Deere 4020

Save
$22,500 USD 5465 hours
Drive: 2 WD
HP: 100
Hours: 5465
Side Console, Local Trade, Syncro Trans, 16.9X38 Rubber, 2 Hyd's, 540/1000 Pto, Runs Great
$22,500 USD
5465 hours
Morell Equipment LLC
Bad Axe, MI
4261 miles away
(989) 375-1506
Call (989) 375-1506
View Full Listing
1966 John Deere 4020 40-99 HP
18 photos

1966 John Deere 4020

Save
$17,000 USD 9929 hours
Drive: 2 WD
HP: 94
Hours: 9929
Nice Local tractor One owner Very clean 1000 hours on overhaul We have the 2-9 bolt hubs to put the duals on which come with it. Power shift Also have the original fenders for tractor, as it was purcha... See all seller comments
$17,000 USD
9929 hours
John & Leroy Tomlinson, LLC - Marlette
Marlette, MI
4287 miles away
(989) 966-0090
Call (989) 966-0090
View Full Listing
1964 John Deere 4020 40-99 HP
23 photos

1964 John Deere 4020

Save
$15,000 USD 6200 hours
Drive: 2 WD
HP: 100
Hours: 6200
Wheel Type: Tires
Local tractor from retiring farmer Excellent condition Everything works as it should Starts , runs and drives like it should No issues Lights work 3 point Hydraulics work All fluids and filters have be... See all seller comments
$15,000 USD
6200 hours
John & Leroy Tomlinson, LLC - Marlette
Marlette, MI
4287 miles away
(989) 966-0090
Call (989) 966-0090
View Full Listing
1964 John Deere 4020 40-99 HP
14 photos

1964 John Deere 4020

Save
$15,500 USD 1584 hours
Drive: 2 WD
HP: 100
Hours: 1584
Good Condition 1584 Hours on Overhaul New Batteries Rebuilt starter We changed all filters and fluids All new lights and they all work 540 and 1000 PTO 1 outlet We replaced the rock shaft seals and PTO... See all seller comments
$15,500 USD
1584 hours
John & Leroy Tomlinson, LLC - Marlette
Marlette, MI
4287 miles away
(989) 966-0090
Call (989) 966-0090
View Full Listing
1965 John Deere 4020 40-99 HP
1 photos

1965 John Deere 4020

Save
$10,950 USD
Drive: 2 WD
HP: 105
Starts and runs good , shifts good , one new rear tire other good, front tires new , new batteries, looks good solid tractor! Weights, quick hitch available
$10,950 USD
Elmer A. Gross & Sons - Montrose
Montrose, MI
4327 miles away
View Full Listing
1968 John Deere 4020 40-99 HP
20 photos

1968 John Deere 4020

Save
$13,800 USD
Drive: 2 WD
HP: 101
4020 WHEATLAND, cab, 18.4x38, dual remotes, showing 1069 hours, straight sheet metal...$13,800
$13,800 USD
Born Implement - Amherst
Amherst, OH
4340 miles away
(833) 881-2530
Call (833) 881-2530
View Full Listing
1965 John Deere 4020 40-99 HP
3 photos

1965 John Deere 4020

Save
$9,750 USD 7600 hours
Drive: 2 WD
HP: 100
Hours: 7600
GAS, 18.4-34, 7600 hrs showing, new style step, toolbox, quick hitch, narrow front
$9,750 USD
7600 hours
Morrison Farms - Smithville
Smithville, OH
4340 miles away
(330) 669-3815
Call (330) 669-3815
View Full Listing
1964 John Deere 4020 40-99 HP
47 photos

1964 John Deere 4020

Save
$9,500 USD
Drive: 2 WD
HP: 110
18.4-34 rear singles, 7.50-18 fronts, wide front, 2 side weights, front slab weight, Powershift transmission, 3 point hitch, 540/1000 PTO, ag drawbar, 1 remote, hours unknown shows 12?? QUIC... See all seller comments
$9,500 USD
Randall Brothers - Holgate
Holgate, OH
4418 miles away
(419) 954-0564
Call (419) 954-0564
View Full Listing
68 John Deere 4020 40-99 HP
3 photos

68 John Deere 4020

Save
Call for price 4400 hours
Hours: 4400
nice 2 owner tractor hrs believed to be correct
Call for price
4400 hours
Russ Farm Equipment - Jackson
Jackson, OH
4451 miles away
(740) 286-2731
Call (740) 286-2731
View Full Listing
1967 John Deere 4020 40-99 HP
29 photos

1967 John Deere 4020

Save
$14,700 USD 3535 hours
Drive: 2 WD
HP: 95
Hours: 3535
Cab: No Cab, Front Axle: 2WD, Transmission: Syncro, Guidance-ready: No, Guidance Receiver: No, Guidance Display: No, Rear PTO: 540/1000, Rear Tires: Singles, Tire Width: Mid, Loader: No, JD WIDE FRONT,... See all seller comments
$14,700 USD
3535 hours
TRULAND Equipment - Woodburn
Woodburn, IN
4453 miles away
(260) 888-3252
Call (260) 888-3252
View Full Listing
  AUCTION
John Deere 4020 40-99 HP
1 photos

John Deere 4020

Save
FWA ASSEMBLED USING ALL JD PARTS, DIESEL, SYNCHRO, VERY NICE FULL RESTORATION, 2 SCV'S, DIFF LOCK, JD ROPS & CANOPY, 3PT w/ TOP LINK, JD CAT 2 QUICK-TACH, FULLY WEIGHTED-DOUBLE STACK FRONT (8), (4)... See all seller comments
Auction ends
November 2

Closing
25d


Polk Auction
Polk Auction
Atlanta, IN
View Auction  
  AUCTION
John Deere 4020 40-99 HP
1 photos

John Deere 4020

Save
VERY NICE RESTORATION, POWER SHIFT, 1 SCV, PTO, TOOLBOX, SWINGING DRAWBAR, NO 3PT, STANDARD FENDERS, NEW TIRES, 18.4-38 REAR & 7.50-18 FRONT, NOTARIZED BIRTH CERTIFICATE,RUNS & DRIVES
Auction ends
November 2

Closing
25d


Polk Auction
Polk Auction
Atlanta, IN
View Auction  
  AUCTION
John Deere 4020 40-99 HP
1 photos

John Deere 4020

Save
DIESEL, POWER SHIFT, HIGH QUALITY RESTORATION, HI-CROP FENDERS, 2 SCV'S, DIFF LOCK, 3PT w/ TOP LINK, FRONT WEIGHT BRACKET w/ (4) PLATES, NEW 18.4-34 REAR FIRESTONE TIRES,GOOD BFG 7.50-20 FRONT TIRES, 1... See all seller comments
Auction ends
November 2

Closing
25d


Polk Auction
Polk Auction
Atlanta, IN
View Auction  
1964 John Deere 4020 40-99 HP
1 photos

1964 John Deere 4020

Save
Call for price
HP: 95
Cab: No Cab, Transmission: Power Shift, 1964 John Deere 4020, 2WD- narrow, power shift, showing 9634 hours, 18.4R 34 rear tires, new rear fenders, 3 point, 540/1000 PTO, set of rear hyd.
Call for price
Hillsboro Equipment, Inc. - Hillsboro
Hillsboro, WI
4561 miles away
View Full Listing
1967 John Deere 4020 40-99 HP
7 photos

1967 John Deere 4020

Save
$24,995 USD 10250 hours
Drive: 4 WD
HP: 120
Hours: 10250
Top link, One owner, Original manual, 18.4/34 tires
$24,995 USD
10250 hours
Red Barn & Associates - Lexington
Lexington, KY
4577 miles away
(859) 608-9745
Call (859) 608-9745
View Full Listing
John Deere 4020 40-99 HP
5 photos

John Deere 4020

Save
$12,500 USD
2WD, WF, open station, diesel, 8 spd. powershift, 1 hyd., 3 pt., 540/1000 PTO, diff lock, rear wheel weights, 10.00-16 front tires, 18.4-34 rear tires, Nice straight tractor
$12,500 USD
Heck Farms Equipment - Cavalier
Cavalier, ND
4578 miles away
(701) 370-8580
Call (701) 370-8580
View Full Listing
1967 John Deere 4020 40-99 HP
10 photos

1967 John Deere 4020

Save
$16,900 USD
Drive: 2 WD
HP: 100
JUST IN FROM AN ESTATE. MOTOR JUST REBUILT. NEW BATTERIES, STARTER AND FUEL SYSTEM ALONG WITH THE REBUILD. OVER $16,000 SPENT. FRONT AXLE HAS BEEN WELDED.
$16,900 USD
Joe Welch Equipment - Caledonia
Caledonia, MN
4599 miles away
(855) 429-1202
Call (855) 429-1202
View Full Listing
1972 John Deere 4020 40-99 HP
1 photos

1972 John Deere 4020

Save
$24,000 USD 41497 hours
Drive: 2 WD
HP: 100
Hours: 41497
$24,000 USD
41497 hours
JB Tractors, LLC - Brandon
Millerville, MN
4635 miles away
View Full Listing
1966 John Deere 4020 40-99 HP
1 photos

1966 John Deere 4020

Save
$14,000 USD 153 hours
Hours: 153
Narrow front, dual SCV's, 540/1000 PTO, repainted, excellent tires, Roll-o-matic
$14,000 USD
153 hours
P&K Midwest - Lowden
Lowden, IA
4660 miles away
(563) 941-5393
Call (563) 941-5393
View Full Listing
1966 John Deere 4020 40-99 HP
35 photos

1966 John Deere 4020

Save
Call for price 10532 hours
Drive: 2 WD
HP: 101
Hours: 10532
Wheel Type: Tires
*SALE PENDING* Listing on a 1966 John Deere 4020. 2 post canopy, 2WD, Powershift, 540 PTO, Rear 3 pt hitch, 2 hydraulic satellites. Hour meter reads 0532, but consignor says meter does not work. Everyt... See all seller comments
Call for price
10532 hours
KDK Sales & Equipment - Washington
Washington, IA
4713 miles away
(319) 653-1013
Call (319) 653-1013
View Full Listing
1965 John Deere 4020 40-99 HP
1 photos

1965 John Deere 4020

Save
$13,500 USD 7153 hours
Drive: 2 WD
HP: 101
Hours: 7153
2WD, 7153 HRS, DIESEL, 8x4 POWERSHIFT, JD 148 LDR, 2 LEVER CONTROLS, 84" SSL Q/A BKT, 2 REMOTES, 540/1000 PTO, 3 PT HITCH, 10.00-16 FRONT TIRES, 18.4x38 REAR TIRES
$13,500 USD
7153 hours
Sievers Equipment Co. - Auburn
Auburn, IL
4717 miles away
(217) 438-6111
Call (217) 438-6111
View Full Listing
1970 John Deere 4020 40-99 HP
21 photos

1970 John Deere 4020

Save
$27,500 USD 3231 hours
Drive: 2 WD
HP: 101
Height: 88.75
Hours: 3231
Length: 151
Wheel Type: Tires
Width: 89.6
Nice original, 2 owner tractor, 3231 HOURS!! low hours console, wide front, diesel roll guard canopy
$27,500 USD
3231 hours
J.O. Harris Sales - Alexander
Alexander, IL
4721 miles away
(217) 394-5518
Call (217) 394-5518
View Full Listing
John Deere 4020 40-99 HP
5 photos

John Deere 4020

Save
Call for price
Drive: 4 WD
HP: 106
Wheel Type: Tires
Gas Powershift with front weights
Call for price
J.O. Harris Sales - Alexander
Alexander, IL
4721 miles away
(217) 394-5518
Call (217) 394-5518
View Full Listing
1972 John Deere 4020 40-99 HP
7 photos

1972 John Deere 4020

Save
$18,500 USD
Drive: 4 WD
HP: 111
$18,500 USD
J.O. Harris Sales - Alexander
Alexander, IL
4721 miles away
(217) 394-5518
Call (217) 394-5518
View Full Listing
1966 John Deere 4020 40-99 HP
16 photos

1966 John Deere 4020

Save
$14,500 USD 5503 hours
Drive: 2 WD
HP: 101
Hours: 5503
2WD, 5503 HRS, OPEN STATION, 8x4 POWERSHIFT, DIESEL, KOYKER 565 LDR, 84" KOYKER Q/A BKT, 3RD FUNCTION, 3 LEVER VALVE, 1 REMOTE, 540/1000 PTO, 3 PT, 10.00-15 FRONT TIRES, 18.4x34 REAR TIRES... See all seller comments
$14,500 USD
5503 hours
Sievers Equipment Co. - Hillsboro
Hillsboro, IL
4726 miles away
(210) 610-8100
Call (210) 610-8100
View Full Listing
1966 John Deere 4020 40-99 HP
15 photos

1966 John Deere 4020

Save
$19,750 USD 2287 hours
Drive: 2 WD
HP: 101
Hours: 2287
Wheel Type: Tires
**New rear tires = +/- $1400 each**** Very nice 1966 John Deere 4020 Diesel- Power Shift This one could be buffed out and added to the collection or a good mowing and haying tractor. Very straigh... See all seller comments
$19,750 USD
2287 hours
Mid-Iowa Auction Company - Marshalltown
Marshalltown, IA
4728 miles away
(641) 750-0054
Call (641) 750-0054
View Full Listing
1972 John Deere 4020 40-99 HP
1 photos

1972 John Deere 4020

Save
$21,500 USD 12106 hours
Drive: 2 WD
HP: 101
Hours: 12106
Cab: No Cab, Front Axle: 2WD, Loader: No, Rear Tires: Singles, Diesel
$21,500 USD
12106 hours
Riechmann Bros. LLC - Centralia
Centralia, IL
4741 miles away
View Full Listing
  AUCTION
John Deere 4020 40-99 HP
1 photos

John Deere 4020

Save
John Deere 4020 Rear Wheel Weights
Auction ends
October 9

Closing
1d


BigIron Auctions
BigIron Auctions
Round Lake, MN
View Auction  
  AUCTION
1967 John Deere 4020 40-99 HP
1 photos

1967 John Deere 4020

Save
1967 John Deere 4020 2WD Tractor, 95 Hp, John Deere, Diesel, Water Cooled Engine, Engine Oil Level Full, Block Heater, Manual Transmission, 8 Forward Speeds, 2 Reverse Speeds, Live PTO, 540/Small 1000... See all seller comments
Auction ends
October 9

Closing
1d


BigIron Auctions
BigIron Auctions
Round Lake, MN
View Auction  
1968 John Deere 4020 40-99 HP
1 photos

1968 John Deere 4020

Save
$17,500 USD 9340 hours
Drive: 2 WD
HP: 101
Hours: 9340
Transmission: Syncro, Front Axle: 2WD, With 260 Loader
$17,500 USD
9340 hours
Riechmann Bros. LLC - Okawville
Okawville, IL
4762 miles away
View Full Listing
1968 John Deere 4020 40-99 HP
23 photos

1968 John Deere 4020

Save
$18,900 USD 6518 hours
Drive: 2 WD
HP: 101
Hours: 6518
Cab: Cab, Front Axle: 2WD, Transmission: Syncro, Guidance-ready: No, Guidance Receiver: No, Guidance Display: No, Rear PTO: 540, Rear Tires: Singles, Tire Width: Mid, Loader: Yes, NICE 4020 DIESEL WITH... See all seller comments
$18,900 USD
6518 hours
C & B Operations, LLC - Storm Lake
Storm Lake, IA
4779 miles away
(833) 947-2830
Call (833) 947-2830
View Full Listing
1972 John Deere 4020 40-99 HP
1 photos

1972 John Deere 4020

Save
$23,500 USD 1011 hours
Drive: 2 WD
HP: 101
Hours: 1011
Rare Unit!!! 1972 John Deere 4020 Highcrop with Powershift transmission! 1 of 16 1972 Powershifts manufactured. Runs and shifts great. 2 sets of remotes, shows 1,100 hours. Tac does work but don’t know... See all seller comments
$23,500 USD
1011 hours
Peek Equipment, Inc. - Athens
Athens, AL
4827 miles away
View Full Listing
  AUCTION
1969 John Deere 4020 40-99 HP
1 photos

1969 John Deere 4020

Save
1969 John Deere 4020 2WD Tractor, 260 Hrs Showing, John Deere 6.6L Diesel Engine, 8 Speed Powershift Transmission, Side Console, Single Rear Hydraulic, 540/1000 Pto, Rear Fenders, John Deere Heavy Duty... See all seller comments
Auction ends
October 9

Closing
1d


BigIron Auctions
BigIron Auctions
Verdigre, NE
View Auction  
  AUCTION
John Deere 4020 40-99 HP
1 photos

John Deere 4020

Save
John Deere 4020 3-pt Arms, Qty ( 2 ), Removed From John Deere 4020, Including Center Link, NOTE: See Photos For Overall Condition, Item Must Be Removed By November 15, 2024 Or Will Be Considered Abando... See all seller comments
Auction ends
October 9

Closing
1d


BigIron Auctions
BigIron Auctions
Verdigre, NE
View Auction  
  AUCTION
1964 John Deere 4020 40-99 HP
1 photos

1964 John Deere 4020

Save
Absolute* Cab Only. 2wd. P.Shift. Dual Pto & 2 SCV. Rear 18.4-34.
Auction ends
October 14

Opens in
6d


Cook Auction Company
Cook Auction Company
Clinton, MO
View Auction  
  AUCTION
1965 John Deere 4020 40-99 HP
1 photos

1965 John Deere 4020

Save
1965 John Deere 4020 2WD Tractor, 8,154 Hrs Showing, John Deere 5.6L 6-Cylinder Gasoline, Water Cooled Engine, Full Powershift Transmission, 1 Auxiliary Hydraulics, 540 PTO, 18.4R34 Rear Tires, 11L-15... See all seller comments
Auction ends
October 23

Closing
15d


BigIron Auctions
BigIron Auctions
Newport, NE
View Auction  
  AUCTION
1968 John Deere 4020 40-99 HP
1 photos

1968 John Deere 4020

Save
1968 John Deere 4020 2WD Tractor W/Koyker K5 Loader, John Deere 6.6L 6-Cylinder, Diesel, Water Cooled Engine, Block Heater, John Deere Syncro-Range, 8 Forward Speeds, 2 Reverse Speeds, Independent PTO,... See all seller comments
Auction ends
October 30

Opens in
1d


BigIron Auctions
BigIron Auctions
De Witt, NE
View Auction  
1966 John Deere 4020 40-99 HP
1 photos

1966 John Deere 4020

Save
Call for price
DISMANTLED
Call for price
Eldridge Supply Company - Augusta
Augusta, AR
4984 miles away
View Full Listing
1968 John Deere 4020 40-99 HP
1 photos

1968 John Deere 4020

Save
Call for price
HAS BEEN DISMANTLED
Call for price
Eldridge Supply Company - Augusta
Augusta, AR
4984 miles away
View Full Listing
John Deere 4020 40-99 HP
1 photos

John Deere 4020

Save
Call for price
DISMANTLED
Call for price
Eldridge Supply Company - Augusta
Augusta, AR
4984 miles away
View Full Listing

John Deere 4020 Specs

Overview

Battery
Volts
6
Amp-hours
75
12V Number
2
24V Number
4
Capacity
Diesel Fuel
34 gal (128.7 L)
LP-gas Fuel
45 gal (170.3 L)
Gasoline Fuel
34 gal (128.7 L)
Power Shift Hydraulic system
12 gal (45.4 L)
Syncro-Range Hydraulic system
10 gal (37.9 L)
Variants
600
industrial
4020
row-crop
4020S
standard
4020HC
high-crop
Electrical
floating (24V), negative (1969-1972)
Ground
positive (1964-1969)
Charging amps
55
Charging system
Motorola alternator
Hydraulics
Type
closed center
Valves
1
Pressure
2250 psi (155.1 bar)
SCV flow
6 gpm (22.7 lpm)
Total flow
18 gpm (68.1 lpm) (early)
Power Shift Capacity
12 gal (45.4 L)
Syncro-Range Capacity
10 gal (37.9 L)
Mechanical
4x4 HFWD 4WD*Front-wheel assist was optional after 1969.
Cab
Open operator station. Cab optional.
Brakes
hydraulic wet disc
Chassis
4x2 2WD
Steering
power
Differential lock
mechanical rear*Optional
Production
168,311 (diesel), 17,732 (standard), 8,123 (gas), 8,445 (LP), Mexico
Factory
Waterloo, Iowa, USA
Total built
184,879 (total)
Manufacturer
John Deere
3-Point Hitch
Rear Type
II
Rear lift
3790 lbs (1719 kg)
Dimensions & Tires
Weight
8225 to 9560 pounds
Rear tire
15.5-38
Front tire
6.00-16
Row crop Wheelbase
97.5 inches (247 cm)
Standard Wheelbase
100.25 inches (254 cm)

4020 Serial Numbers*

*General guideline: If your serial number is in between two years, your tractor is the earlier year.
1964
65000
1965
91000
1966
119000
1967
145660
1968
173982
1969
201000
1970
222160
1971
250000
1972
260791
Final
270288
Location
Serial number plate on the rear of the 4020 transmission case.
Power Take-off (PTO)
1000
Rear PTO
independent
Rear RPM
540/1000
Front PTO
independent
Front RPM
1000
Engine RPM
1000@1900, 540@1900 1000@1900
John Deere 4020 Power
PTO (tested)
95.83 hp (71.5 kW)
Drawbar (tested)
83.79 hp (62.5 kW)

Engine

Engine Detail
340 ci (5.6 L), 362 ci (5.9 L), 404 ci (6.6 L), 6-cylinder 12-valve, diesel, gasoline, John Deere, liquid-cooled inline, LP gas
Idle RPM
600-2500, 650-2500
Point gap
0.016 inches (0.406 mm)
Rated RPM
2200
Bore/Stroke
4.25x4.00 inches (108 x 102 mm), 4.25x4.25 inches (108 x 108 mm), 4.25x4.75 inches (108 x 121 mm)
Compression
16.5:1, 7.5:1, 9.0:1
Firing order
1-5-3-6-2-4
Oil capacity
8 qts (7.6 L), 9 qts (8.5 L)
Operating RPM
1500-2200
Sparkplug gap
0.025 inches (0.635 mm)
Starter volts
12, 24
Coolant capacity
24 qts (22.7 L)
Late Oil capacity
12 qts (11.4 L)
Early Oil capacity
8 qts (7.6 L)
Intake valve clearance
0.015 inches (0.381 mm), 0.018 inches (0.457 mm)
Exhaust valve clearance
0.018 inches (0.457 mm), 0.028 inches (0.711 mm)

Transmission

Transmission
Type
full power shift, partially synchronized
Gears
8 forward and 2 reverse, 8 forward and 4 reverse
Speeds
Row-crop tractor with 15.5-38 rear tires.
Oil type
303 Special
Oil capacity
52 qts (49.2 L), 68 qts (64.4 L)
Transmission
John Deere Power Shift, John Deere Syncro-Range

Dimensions

Dimensions
8,225 lbs (3730 kg) (gas syncro), 8,319 lbs (3773 kg) (LP syncro), 8,945 lbs (4057 kg) (diesel syncro), 9,240 lbs (4191 kg) (gas powershift), 9,560 lbs (4336 kg) (diesel powershift)
Width
89.6 inches (227 cm)
Length
151 inches (383 cm)
Rear axle
Regular axle: 3.375 by 91 inches (85x2311 mm) Long axle: 3.375 by 104 inches (85x2641 mm) Extra long axle: 3.375 by 112 inches (85x2844 mm)
Rear tread
60 to 91 inches (152 to 231 cm) 66 to 97 inches (long axle) (167 to 246 cm) (long axle) 67 to 105 inches (extra long axle) (170 to 266 cm) (extra long axle)
Front tread
48.5 to 82.25 inches (123 to 208 cm)
Weight (shipping)
8,436 lbs (3826 kg) (diesel syncro)
Row crop Wheelbase
97.5 inches (247 cm)
Standard Wheelbase
100.25 inches (254 cm)
Weight (ballasted)
13,980 lbs (6341 kg) *Diesel Powershift with 18.4-34 rear tires with fluid plus front and rear cast iron weights.
Weight (operating)
8,645 lbs (3921 kg) (gas syncro)
Row-crop 2WD turn radius
9.9 feet (3.0 m)
Standard 2WD turn radius
10.9 feet (3.3 m)
Row crop Height (exhaust)
88.75 inches (225 cm)
Standard Height (exhaust)
88.25 inches (224 cm)
Row-crop Height (steering wheel)
77.9 inches (197 cm)
Standard Height (steering wheel)
78.25 inches (198 cm)
John Deere 4020 Tires
18.4-34 (standard), 7.50-18 (standard)
Ag rear
15.5-38 (row crop)
Ag front
6.00-16 (row crop)

Attachments

Loader
0.6 cu yd (0.5 cu m), 0.8 cu yd (0.6 cu m), 0.9 cu yd (0.7 cu m), 72 inches (182 cm), 84 inches (213 cm), 96 inches (243 cm)
Weight
1350 lbs (612 kg), 1771 lbs (803 kg)
Dump angle
37, 38
Dump reach
32 inches (81 cm)
Loader type
John Deere 146, John Deere 148, John Deere 158, John Deere 48
Bucket width
60 inches (152 cm)
Rollback angle
11, 12
Bucket capacity
0.5 cu yd (0.4 cu m)
Height (to pin)
126 inches (320 cm), 156 inches (396 cm)
Breakout force (lift)
4700 lbs (2131 kg), 5000 lbs (2268 kg)
Clearance, level bucket
121 inches (307 cm), 151 inches (383 cm)
Clearance, dumped bucket
102 inches (259 cm), 132 inches (335 cm)
Lift to full height (at pin)
3100 lbs (1406 kg), 3800 lbs (1723 kg)

Tests

Nebraska Tractor Test 849
Type
Diesel Syncro-Range 2WD
Test Date
September 23 - October 2, 1963
Test report
PDF file
Max pull gear
2
Drawbar pull (max)
10,184 lbs (4619 kg)
Drawbar power (max)
76.36 hp (56.9 kW)
Drawbar fuel use (max)
6.4 gal/hour (24.2 l/hour)
PTO fuel use (PTO speed)
5.6 gal/hour (21.2 l/hour)
PTO fuel use (engine speed)
6.4 gal/hour (24.2 l/hour)
PTO power (rated PTO speed)
83.57 hp (62.3 kW)
PTO power (rated engine speed)
91.17 hp (68.0 kW)
Nebraska Tractor Test 850
Type
Gasoline Syncro-Range 2WD
Test Date
September 30 - October 7, 1963
Test report
PDF file
Max pull gear
2
Drawbar pull (max)
10,088 lbs (4575 kg)
Drawbar power (max)
73.06 hp (54.5 kW)
Drawbar fuel use (max)
8.2 gal/hour (31.0 l/hour)
PTO fuel use (PTO speed)
7.3 gal/hour (27.6 l/hour)
PTO fuel use (engine speed)
8.4 gal/hour (31.8 l/hour)
PTO power (rated PTO speed)
79.95 hp (59.6 kW)
PTO power (rated engine speed)
88.09 hp (65.7 kW)
Nebraska Tractor Test 853
Type
LP gas Syncro-Range 2WD
Test Date
October 5 - 11, 1963
Test report
PDF file
Max pull gear
2
Drawbar pull (max)
10,217 lbs (4634 kg)
Drawbar power (max)
75.19 hp (56.1 kW)
Drawbar fuel use (max)
9.7 gal/hour (36.7 l/hour)
PTO fuel use (PTO speed)
8.8 gal/hour (33.3 l/hour)
PTO fuel use (engine speed)
10.1 gal/hour (38.2 l/hour)
PTO power (rated PTO speed)
81.14 hp (60.5 kW)
PTO power (rated engine speed)
90.48 hp (67.5 kW)
Nebraska Tractor Test 930
Type
Diesel Syncro-Range 2WD
Test Date
November 16 - 20, 1965
Test report
PDF file
Max pull gear
2
Drawbar pull (max)
11,249 lbs (5102 kg)
Drawbar power (max)
83.79 hp (62.5 kW)
Drawbar fuel use (max)
6.0 gal/hour (22.7 l/hour)
PTO fuel use (PTO speed)
5.3 gal/hour (20.1 l/hour)
PTO fuel use (engine speed)
6.0 gal/hour (22.7 l/hour)
PTO power (rated PTO speed)
86.85 hp (64.8 kW)
PTO power (rated engine speed)
94.88 hp (70.8 kW)
Nebraska Tractor Test 934
Type
LP gas Syncro-Range 2WD
Test Date
April 26 - May 2, 1966
Test report
PDF file
Max pull gear
2
Drawbar pull (max)
10,674 lbs (4841 kg)
Drawbar power (max)
83.59 hp (62.3 kW)
Drawbar fuel use (max)
10.2 gal/hour (38.6 l/hour)
PTO fuel use (PTO speed)
8.9 gal/hour (33.7 l/hour)
PTO fuel use (engine speed)
10.2 gal/hour (38.6 l/hour)
PTO power (rated PTO speed)
84.22 hp (62.8 kW)
PTO power (rated engine speed)
94.67 hp (70.6 kW)
Nebraska Tractor Test 939
Type
340ci gasoline Syncro-Range 2WD
Test Date
May 17 - 24, 1966
Test report
PDF file
Max pull gear
2
Drawbar pull (max)
10,658 lbs (4834 kg)
Drawbar power (max)
83.28 hp (62.1 kW)
Drawbar fuel use (max)
7.7 gal/hour (29.1 l/hour)
PTO fuel use (PTO speed)
6.9 gal/hour (26.1 l/hour)
PTO fuel use (engine speed)
7.9 gal/hour (29.9 l/hour)
PTO power (rated PTO speed)
85.81 hp (64.0 kW)
PTO power (rated engine speed)
95.56 hp (71.3 kW)
Nebraska Tractor Test 1012
Type
362ci gasoline Power Shift 2WD
Test Date
May 13 - June 4, 1969
Test report
PDF file
Drawbar power (max)
82.57 hp (61.6 kW)
Drawbar fuel use (max)
9.3 gal/hour (35.2 l/hour)
PTO fuel use (PTO speed)
8.1 gal/hour (30.7 l/hour)
PTO fuel use (engine speed)
9.3 gal/hour (35.2 l/hour)
PTO power (rated PTO speed)
87.52 hp (65.3 kW)
PTO power (rated engine speed)
95.66 hp (71.3 kW)
Nebraska Tractor Test 1024
Type
Diesel Power Shift 2WD
Test Date
September 30 - October 17, 1969
Test report
PDF file
Drawbar power (max)
83.09 hp (62.0 kW)
Drawbar fuel use (max)
6.6 gal/hour (25.0 l/hour)
PTO fuel use (PTO speed)
6.0 gal/hour (22.7 l/hour)
PTO fuel use (engine speed)
6.5 gal/hour (24.6 l/hour)
PTO power (rated PTO speed)
89.93 hp (67.1 kW)
PTO power (rated engine speed)
95.83 hp (71.5 kW)
This data is sourced from the public domain and Machinery Pete cannot guarantee accuracy.