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    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
    1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions1971 JOHN DEERE 4020 Used 100 HP to 174 HP Tractors upcoming auctions
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    Lot #8299
    1971 JOHN DEERE 4020
    100 HP to 174 HP Tractors
    View My Watch List
    Current Bid:
    USD $100.00
    Bidding Opens:Jul 22, 2026 5:44 PM (CDT)
    Sale Ends: Wednesday, August 05, 2026 (CDT)
     
     
    No Buyer's Premium
    Machine Location:124 E. Main St.Treynor, Iowa 51575
    Seller Information
    View Auctioneer Information
    Menke Auction & Realty
    Contact:Byron Menke
    Phone:(712) 487-3542
    Treynor, Iowa 51575
    559 Items Sold
    visit our website
    (712) 487-3542
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    General
    Year
    1971
    Manufacturer
    JOHN DEERE
    Model
    4020
    Serial Number
    255927R
    Condition
    Used
    Description
    1971 John Deere 4020 Diesel tractor with Koyker 510 loader with bucket and grapple forks. Tractor has cab, wide front, 3pt. missing 3rd arm, and starts and runs as it should, and tin is straight and in good shape. Hour meter shows 2492 hours but do not believe it is accurate or working. Loader is straight and has not been abused. Complete unit is shown in it's work clothes and was used primarily to move some snow and light work around the acreage. Selling for a local estate, this tractor and loader pair is located near Walnut Iowa. 
    Attachments
    Loader
    Yes
    Loader Make
    Koyker
    Loader Model
    510
    Loader Serial Number
    120382
    Attachment 1
    Bucket
    Attachment 2
    Grapple
    Rear Three Point Hitch
    Yes
    Chassis
    Tires or Tracks
    Tires
    Front Tire Configuration
    Singles
    Rear Tire Configuration
    Singles
    Front Tire Size
    10.00-16SL  8
    Rear Tire Size
    18.4 - 38
    Exterior
    Cab
    Yes
    Hydraulics
    Rear Remote Hydraulics
    2
    3rd Function Hydraulics
    Yes
    Powertrain
    Engine Horsepower
    100 HP
    Drive
    2WD
    Transmission Type
    Synchro
    Rear PTO Speed
    540
     Additional Information 
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    Auctioneer / Dealer Terms and Conditions
    Successful bidder must contact Menke Auction & Realty within 24 hours of the completion of the auction to verify method of payment. No equipment will be released until payment has been made in full! ALL ITEMS SOLD AS IS, WHERE IS. NO WARRANTIES EXPRESSED OR IMPLIED. Due diligence and inspect any equipment yourself to guarantee working order/condition. All sales are final. If you have questions on equipment, please call before making a bid. Buyer is responsible for making shipping and loading arraignments. Items must be removed within two weeks of auction conclusion unless other PRIOR arrangements have been made with Auction Company. Any of the purchased items not picked up within 30 days may be subject to storage fees or reselling equipment without reimbursement. Payment must be made by Wire, Bank check or cash. Purchases totaling $5000.00 or more will require payment by WIRE TRANSFER ONLY unless PRIOR ARRANGEMENTS have been made with Menke Auction & Realty. Those arrangements must be agreed to by both parties PRIOR TO THE ITEM CLOSING. A $25.00 wire fee will be added to the final invoice total for wire transfers. Payments must be made and cleared within 72 hours of closing of the sale of the item. If paying with personal or company check, allow 10 days from the date the check is deposited in Account of Menke Auction & Realty for it to clear and for item to be released to the buyer. Menke Auction & Realty will send out invoices to the same e-mail address that was used for registration with AuctionTime.com after the conclusion of the sale. Please contact our office for bank wiring instructions. If you do not see an e-mail within 24 hours, please contact our office.
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