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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.

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


John Deere Roll-o-Matic four bolt off 4020. Condition: good working condition, Price: reasonable, Posted 2023-01-30 in Alvaton KY.
John Deere 4020 Powershift , 3 point, and dual hydro. I bought it for a loader it came with and was told it was parked due to engine knock. Should be able to send photos if requested. Overall ruff condition but might be worth fixing or defiantly a lot of good parts. Condition: Ruff, Price: 2000, Posted 2023-01-30 in Arlington WA.
1972 John Deere 4020 power shift.Dual remotes.Double stack front weight.6200 hrs. Fresh paint. Condition: Excellent , Price: 35000.0, Posted 2023-03-18 in Little Falls NY.
Looking for the battery box that was mounted on the frame rails when there was a cab on a john deere 4020 4320 4620 etc thanks Joe Condition: good usuable, Price: going, Posted 2023-03-21 in seneca IL.
Wanted JD Double stack front for 4020 Have the side rails Have for trade JD front weight for 2 cylinder A5345 Condition: good, Price: fair, Posted 2023-04-11 in coggon IA.
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.


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.[...] 178693 ... $118.00

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[...] 125561 ... $19.10
4020 Radiator Hose Lower
 Radiator Hose Lower - Hose, radiator lower. For tractors: 3010, 3020, 4000 less AC, 4010, 4020 less AC. For 3010, 4010[...] 114087 ... $15.30
Water Pump - For tractor models 3010, 3020, 4000, 4010, 4020 All Diesel without AC. Replaces casting numbers R263[...] 101903 ... $106.00

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[...] 164905 ... $73.00
4020 Hood Ornament
 Hood Ornament - For tractor models 1010, 2010, 2510, 2520, 3010, 3020, 4000, 4010, 4020, 4320, 4520, 4620, 5010, 502[...] 108412 ... $32.00
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[...] 101968 ... $150.00
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[...] 115031 ... $58.00

John Deere 4020 Electrical System

4020 12 Volt Conversion Kit with Bosch Starter
 12 Volt Conversion Kit with Bosch Starter - This 12 volt conversion kit is for a 24 volt system with a Bosch starter. Converts 24 Volt systems t[...] 120547 ... $472.00
4020 Alternator
 Alternator - 12 volt, 72 amp. For tractor models (5200 1974-77 with 404 dsl), (5400 1974-77 with 531 dsl), 5420, [...] 110572 ... $116.00
4020 Coil, 6V
 Coil, 6V - Distributor Coil, 6 volt. Delco Remy equipped. For tractor models B, M, 40, 50 (after 5021479), 60LP[...] 105281 ... $15.00
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[...] 105074 ... $138.00
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 [...] 105075 ... $135.00
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#[...] 121144 ... $26.20
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[...] 121145 ... $32.60
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[...] 121146 ... $87.00
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, [...] 125703 ... $27.80
4020 Starter Solenoid
 Starter Solenoid - Delco Starter Solenoid Assembly, flange mount, services starters 1107879 or 1107577 on 1010, 2010 ga[...] 105675 ... $17.00

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: [...] 100743 ... $35.30
Carburetor, Rebuilt - This rebuilt carburetor is a direct replacement for OEM numbers matching: USX20, USX21, USX30, USX31[...] 1532-CARB ... $599.01
Carburetor, Rebuilt - This rebuilt carburetor is a direct replacement for OEM numbers matching: 12510, 12879, 13320, 13429[...] 203300 ... $370.01
4020 Fuel Injector
 Fuel Injector - For tractor models JD 3010, 3020, 4010, 4020 model tractors. Verify stamped number before ordering: [...] 109653 ... $35.00
4020 Fuel Injector
 Fuel Injector - Nozzle, Injector. Pencil-type injector For tractor models 840, 940, 1020, 1030, 1040, 1129, 1139, 11[...] 113965 ... $32.00
4020 Fuel Pump
 Fuel Pump - Fuel transfer pump, similar to original equipment manufacturer, cannot be repaired. Diesel tractors:[...] 140647 ... $25.50
4020 Fuel Pump
 Fuel Pump - This fuel pump is for diesel tractors: 830, 930, 1020, 1520, 2020, 2030, 2040, 2240, 2440, 2510, 252[...] 112524 ... $26.50
4020 Fuel Transfer Pump Repair Kit
 Fuel Transfer Pump Repair Kit - Repair kit, for fuel transfer pump RE42211, RE42211B. Used on diesel tractors: 1020, 1520, 2020, 203[...] 180105 ... $25.20
Grommet, Fuel Filler, Red - For tractor models 820 (3 cyl.), 1010, 1020, 1520, 1530, 2010, 2020, 2030, 2040, 2240, 2440, 2510, 2[...] 113650 ... $18.00
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[...] 168690 ... $28.00

John Deere 4020 Gauges

4020 Tachometer Cable
 Tachometer Cable - 33" long. For tractor models 3010, 3020, 4010, 4020, 4320, 4520, 4620.[...] 159054 ... $28.42
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.[...] 108063 ... $45.30

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[...] 105319 ... $19.10
Light Switch, 4 position - 6 terminal, uses knob R46092. For tractor models (2350 with sound guard cab), (2520 from SN# 22001 a[...] 121802 ... $22.80
4020 Safety Light Amber
 Safety Light Amber - 12 volt amber safety light, 4-1/4 inch diameter, 3/8 inch diameter by 5/8 inch mounting stud. Does n[...] 122128 ... $20.00
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[...] 105346 ... $65.00

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[...] 109348 ... $286.00

John Deere 4020 Sheet Metal / Body Parts

4020 Battery Box, RH
 Battery Box, RH - For tractor models 2520, (3020 serial number 123000 and up), (4000 Row crop serial number 201000 and[...] 104079 ... $72.00
Side Screen - Side grill panel, 17 x 19-3/4. For tractors: 4000, 4010, 4020. Two (2) used per tractor. Sold indivi[...] 101934 ... $73.00

John Deere 4020 Steering

4020 Steering Wheel
 Steering Wheel - Steering wheel, 16 1/2 diameter, 7/8" splined hub, 3-1/2 dished, smooth finish. Tractors: 820 German[...] 113508 ... $62.00
Steering Wheel - 16" diameter, 7/8" splined hub, smooth finish, like original. For tractor models 1010, 2010, 2510, 3[...] 101447 ... $42.00
Steering Wheel Cap - This 2 legged deer, correct cap for many covered steering wheels on JD models from 1968-2000. Fits a[...] 101453 ... $55.00
Steering Wheel Cap, Black Face - For tractor models: 1020, (820 3-cyl), 1520, 2020, 2510, 2520, 3020, 4000, 4020, 4320, 4520, 4620, 5[...] 101457 ... $61.00

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,[...] 102229 ... $44.00

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





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Today's Featured Article - Field Modifications (Sins of the Farmer) - by Staff. Picture a new Chevrolet driving down the street without it's grill, right fender and trunk lid. Imagine a crude hole made in the hood to accommodate a new taller air cleaner, the fender wells cut away to make way for larger tires, and half of a sliding glass door used to replace the windshield. Top that off with an old set of '36 Ford headlight shells bolted to the hood. Pretty unlikely for a car... but for a tractor, this is pretty normal. It seems that more often than not they a ... [Read Article]

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