Yesterday's Tractor Co.
Shop Now View Cart
   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver

John Deere 4020 - Featured Tractor

The John Deere 4020 model tractor was produced in 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971 and 1972 in Waterloo, Iowa and Mexico. It has a 404 ci engine rated at 101 horsepower.

Our Most Popular JD 4020 Parts

(Click here to see all parts available)

John Deere 4020 Clutch

4020 Clutch Adjusting Tool
Clutch Adjusting Tool - For tractor models 3010, 3020, 4000, 4010, 4020, 4320, 4520, 4620, 7020.[...] 830602 ... $72.32

John Deere 4020 Cooling System

4020 Radiator Cap
Radiator Cap - For tractor models 2010, 2510, 2520, 3010, 3020, 4000, 4010, 4020, 4030, 4320, 4430, 4520, 4620, 463[...] R27209 ... $20.78
4020 Water Pump
Water Pump - For tractor models 3010, 3020, 4000, 4010, 4020 All Diesel without AC. Replaces casting numbers R263[...] AR45332 ... $110.33

John Deere 4020 Decals and Emblems

4020 Decal Set
Decal Set - COMPLETE Decal Set for John Deere Model 4020. Does not include Syncro-Range or Powershift decals, Se[...] R2610 ... $29.25
4020 Hood Ornament
Hood Ornament - For tractor models 1010, 2010, 2510, 2520, 3010, 3020, 4000, 4010, 4020, 4320, 4520, 4620, 5010, 502[...] AR28047 ... $31.45
4020 Side Hood Emblems, OEM Set
Side Hood Emblems, OEM Set - 37" in length with 5 mounting studs. Mounting is speed nut type, no threads. For 1010, 2010, 2510, 2[...] R2533 ... $258.76
4020 Syncro-Range and Power Shift Decal Set
Syncro-Range and Power Shift Decal Set - This Mylar set covers those decals that are different than the normally used set when used for the S[...] AR52393 ... $40.31

John Deere 4020 Electrical System

4020 12 Volt Conversion Kit
12 Volt Conversion Kit - Converts 24 Volt systems to 12 Volts on gas and diesel models 3010, 3020, 4010, 4020. Kit includes: [...] TS-8000 ... $380.88
4020 Alternator
Alternator - 12 volt, 72 amp. For tractor models (5200 1974-77 with 404 dsl), (5400 1974-77 with 531 dsl), 5420, [...] ADR0133 ... $64.79
Coil, 6V - Distributor Coil, 6 volt. Delco Remy equipped. For tractor models B, M, 40, 50(after 5021479), 60LP,[...] D4PE12029AA ... $18.15
4020 Electronic Ignition Conversion Kit, 12 volt negative ground
Electronic Ignition Conversion Kit, 12 volt negative ground - For Tractor Models 4010, 4020 with 302, 340 eng., 4020 with 362 eng using Delco distributor # 111262[...] 1163A ... $81.45
4020 Electronic Ignition Conversion Kit, 12 volt positive ground
Electronic Ignition Conversion Kit, 12 volt positive ground - Use on the following tractors: 4010 and 4020 with 6-cylinder engine sizes 302, 340, 362 using Delco [...] 1163AP12 ... $90.78
4020 Ignition Switch with 2 Keys
Ignition Switch with 2 Keys - 6 Terminal. For tractor models 2510, (5010 SN# 008000 and up), (3020 SN# 68000 to 122999), (4020 SN#[...] AR39505 ... $24.75
4020 Key Switch, 6 Terminal
Key Switch, 6 Terminal - With key. For tractor models (1010 gas or LP up to SN# 51039), (2010 gas/LP up to SN# 055380), (3010[...] AR26528 ... $38.40
4020 Key Switch, 6 Terminal
Key Switch, 6 Terminal - With keys. For tractor models (3010 diesel), (3020 diesel up to SN# 67999), (4010 diesel), (4020 die[...] AR26557 ... $43.13
4020 Light Switch, 12 Volt
Light Switch, 12 Volt - 4 position, 5 terminals and fuse, .50" thread dia. For tractor models 1010, 1020, 1520, 2010, 2020, [...] AR28401 ... $24.15

John Deere 4020 Fuel System / Air Intake

4020 Carburetor Kit, Basic
Carburetor Kit, Basic - Kit for Zenith 12510, 13429, 12879, 13320, 13450, 13430 carbs on 3010, 3020, 4020. John Deere Carb: [...] Z106 ... $26.25
4020 Carburetor, Rebuilt
Carburetor, Rebuilt - Fits 3010, 3020, 4010, 4020 - replacement for OEM USX20, USX21, USX30, USX31, USX35, USX36, USX48. A[...] 1532-CARB ... $310.41
4020 Carburetor, Rebuilt
Carburetor, Rebuilt - Fits 3010, 3020, 4010, 4020 - replacement for OEM 12510, 12879, 13320, 13429, 13430. Add $200.00 cor[...] 1534-CARB ... $278.31
4020 Fuel Injector
Fuel Injector - For tractor models JD 3010, 3020, 4010, 4020 model tractors with injector #20494. Replaces AR39811, [...] AR50781 ... $35.43
4020 Fuel Injector
Fuel Injector - Nozzle, Injector. Pencil-type injector For tractor models 840, 940, 1020, 1030, 1040, 1129, 1139, 11[...] AR89564 ... $33.75
4020 Fuel Pump
Fuel Pump - Fuel transfer pump, similar to original equipment manufacturer, cannot be repaired. Diesel tractors:[...] TP-RE42211A ... $62.44
4020 Fuel Pump
Fuel Pump - This fuel pump is for diesel tractors: 830, 930, 1020, 1520, 2020, 2030, 2040, 2240, 2440, 2510, 252[...] TP-RE42211B ... $28.02
Grommet, Fuel Filler, Black - For tractor models 70, 620, 630, 720, 730, 1020, 1520, 2020, 3010, 3020, 4010, 4020, 5010. Measures [...] A5157R ... $19.95
Grommet, Fuel Filler, Red - For tractor models 820 (3 cyl.), 1010, 1020, 1520, 1530, 2010, 2020, 2030, 2040, 2240, 2440, 2510, 2[...] R39613R ... $18.75
4020 Precleaner Cover, Metal
Precleaner Cover, Metal - 7" diameter with brass nut, fits Donaldson pre-cleaners. For tractor models Some 60, 70, 520, 530, 6[...] AF3583R ... $26.48

John Deere 4020 Gauges

4020 Tachometer Cable
Tachometer Cable - 33" long. For tractor models 3010, 3020, 4010, 4020, 4320, 4520, 4620.[...] AR26721 ... $16.13
4020 Transmission Oil Temperature Gauge
Transmission Oil Temperature Gauge - For tractor models (3020 SN# 123000 and up), (4020 SN# 201000 and up), 4320, 4520, 4620.[...] AR46979 ... $43.90

John Deere 4020 Hitch / Drawbar

Cat II Top Link - Category 2 Quick Release Top Link with Knuckle. Extends from 25 inches to 33.5 inches. Barrel length[...] AR34208 ... $199.81

John Deere 4020 Lights

4020 Dash Light - 12 Volt
Dash Light - 12 Volt - For tractor models 50 up to SN# 5016122, 60 to SN# 6017060, 70 Highcrop to SN# 706327, 520 to SN# 52[...] AD2835R-12V ... $18.71
Light Switch, 4 position - 6 terminal, uses knob R46092. For tractor models (2350 with sound guard cab), (2520 from SN# 22001 a[...] AR48724 ... $20.91
4020 Work Tail Light
Work Tail Light - 2 wire connectors. 6 Volt. For tractor models 50, 60, 70, 80, 520, 530, 620, 720, 730, 820, 930, 102[...] AR77326 ... $51.67

John Deere 4020 Seats

4020 Seat Cushion Set
Seat Cushion Set - Yellow Leatherette upholstery seat cushion set. Includes seat, lower and upper backrests. For tracto[...] JD5678 ... $119.04

John Deere 4020 Sheet Metal / Body Parts

4020 Battery Box, LH
Battery Box, LH - For tractor models 2520, (3020 serial number 123000 and up), (4000 Row crop serial number 201000 and[...] AR40674 ... $80.37
4020 Battery Box, RH
Battery Box, RH - For tractor models 2520, (3020 serial number 123000 and up), (4000 Row crop serial number 201000 and[...] AR40673 ... $80.37
Side Screen - Side grill panel, 17 x 19-3/4. For tractors: 4000, 4010, 4020. Two(2) used per tractor. Sold individ[...] AR32720 ... $78.75

John Deere 4020 Steering

4020 Steering Wheel
Steering Wheel - Steering wheel, 16 1/2 diameter, 7/8" splined hub, smooth finish. Tractors: 820 Germany, 830 Germany[...] T22875 ... $37.50
Steering Wheel - 16" diameter, 7/8" splined hub, smooth finish, like original. For tractor models 1010, 2010, 2510, 3[...] AR26625 ... $43.68
Steering Wheel Cap - This 2 legged deer, correct cap for many covered steering wheels on JD models from 1968-2000. Fits a[...] AL155227 ... $32.76
Steering Wheel Cap, Black Face - For tractor models: 1020, (820 3-cyl), 1520, 2020, 2510, 2520, 3020, 4000, 4020, 4320, 4520, 4620, 5[...] R26673 ... $48.30

John Deere 4020 Wheels

4020 Front Wheel Bearing Kit
Front Wheel Bearing Kit - Wheel bearing kit. For 1020, 1520, 2030, 2440, 2510, 2520, 2630, 2640, 3010, 3020, 4000, 4010, 4020,[...] FW157S ... $44.86

Click here to see our full catalog of John Deere 4020 Parts



Recent Topics

  • 4020 LP starting trouble - This message is a reply to an archived post by Mtractor on August 03, 2017 at 06:20:48. The original subject was "Re: 4020 LP starting trouble". While this post is a year old, I may have a tip to help your tractor to start. I have the same tractor type and noticed how hard it was to start. It's not the coil, the wires,the plugs,the LP Gas regulator ( unless it's leaking) nor the starter motor unless it has been badly overheated. You have a hydraulic lock. Just behind the LP Gas t ...
  • 4020 injector boots leaking - I recently bought a 1966 4020 power shift with pencil injectors. the owner died app 8 years ago and the tractor has been setting in a shed since then. before he died he had the injector pump replaced and new injectors installed. they had the tractor running at the auction and it was leaking fuel at the rubber boots on top of the injectors on 3 cylinders. I ordered new boots even though the ones on the tractor looked new. the injectors still had anti sieze around the bottom them, so the tractor h ...
  • 1971 4020 remote outlet lever replacement - Tractor has 3 outlets. The levers on #3 have been installed in the wrong barrels some time ago. There is a left and right lever for #3, unlike #1 and #2. Can I remove the welch plug and just swap the levers or is more disassembly required? Thank you.
  • 4020 replacement fuel tank - has anyone here used one of the poly/plastic replacements? good, bad, ugly?? or better to repair the one I got? ... mine rusted a hole in it,,anyway there was a big stain in the dirt , and an empty fuel tank.. dangit,, I know I drained the water out of it ... uh well... some time ago..30 years sure goes by kinda fast anymore....not a big fan of pour in liners....
  • 4020 loader ported cover which one ? - I am plumbing my 67 4020 powershift tractor so I dont have to use the remotes in the back for my 158 loader, I got the ported cover t31170 , my question is on the powershift is it the smaller front cover I replace on my tractor or the larger rear one ? I'm hopeing it's the larger rear one because the rear cover and the ported cover I got are the exact same size so the old bolt would work perfectly and no issues like on all the posts i read about bolt lengths. So basically I'm just asking can I ...


  • Recent Ads


    John Deere 4020 HI CROP, syncro, ROPS, 7100 hrs, restored in 2008, excellent cond, Condition: Excellent , Price: 27500.00, Posted 2018-06-25 by David, in Apex NC.

    JOHN DEERE 4020 high crop 1971 syncro new rice tires 3pt fenders expo restoration drawbar new lites etc you probably cant find one nicer Condition: expo or better, Price: 35000bo, Posted 2018-07-05 by DICK, in bethel MN.

    Wanted: Looking for a couple nice fan shrouds for a John Deere 4020 Price: 1, Posted 2018-07-13 by Landon, in Palmyra IL.

    John Deere 4020 Condition: Good, Price: 12,500, Posted 2018-07-14 by Kevin Mayberry, in Norris City IL.

    John Deere 4020 for sale. 1970 model diesel. Three point, Synchro range transmission. I can help get it to you. Condition: Runs good. , Price: 8000, Posted 2018-07-14 by Not given, in Alva OK.

    Important: Yesterday's Tractor Co. takes no responsibility for the accuracy, validity or availability of the items listed here nor do they receive any profit from the 3rd party transactions that may transpire from the use of this website. Yesterday's Tractor Co. does not sell tractors, nor do we collect money or broker transactions for others.


    Archived Ads for John Deere 4020 Tractors
    (Information only, no longer for sale)


    John Deere 148 loader brackets to mount on 3020-4020 tractors. Condition: Excellent used, Posted 2018-02-25 in Rock Creek MN.

    Double step (left hand) for John Deere 4020 Standard Condition: Very Good, Posted 2018-03-06 in Columbus IN.

    John Deere 4020 Turbo and factory wide front. M & W turbo setup for 4020 John Deere includes the exhaust manifold, turbo, and all the aluminum pipe work. 800. John Deere 4020 factory wide front end good condition 1000. Condition: Good, Price: 800, Posted 2018-03-06 in DuBois IL.

    John Deere 4020 Diesel Powershift Condition: Good, Price: 11500, Posted 2018-03-13 in Pleasant Hill MO.

    1970 John Deere 4020 diesel synchro, 3pt,PTO, diff lock, new 38 inch radial rear tires. Can send pictures. Condition: Runs great, Price: 8500, Posted 2018-03-25 in Alva OK.

    Important: Yesterday's Tractor Co. takes no responsibility for the accuracy, validity or availability of the items listed here nor do they receive any profit from the 3rd party transactions that may transpire from the use of this website. Yesterday's Tractor Co. does not sell tractors, nor do we collect money or broker transactions for others.




    TRACTOR PARTS TRACTOR MANUALS
    Fast Shipping!  Most of our stocked parts ship within 24 hours (M-Th). Expedited shipping available, just call! Most prices for parts and manuals are below our competitors. Compare our super low shipping rates! We have the parts you need to repair your tractor. We are a company you can trust and have generous return policies. Shop Online Today or call our friendly sales staff toll free (800) 853-2651. [ About Us ]

    Home  |  Forums


    Copyright © 1997-2018 Yesterday's Tractor Co.

    All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

    TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

    Yesterday's Tractors - Antique Tractor Headquarters