John Deere 4020 for sale

The John Deere 4020 is arguably the most popular tractor John Deere ever made. It's available with gas, propane, and diesel engines, and includes front-wheel assist. The 4020 is a mid-size tractor. BigIron Auctions helps keep America’s farmers running. Each week on our online auctions, you’ll find thousands of great items, including John Deere tractors. Our online auctions are always unreserved, equipment is lien-free, and we never charge a buyer’s fee. Plus, we facilitate complete transparency between both parties by including the seller’s contact information on all listings.


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  • ID# LM8410
    Listing Provider: BigIron
    Location: Stuart, NE
    Auction:Jul 9, 2025
    Buyer's Premium: 10%, Max: $500
    Closes:
    52
    $11,400
    Last minute bids extend item close by 5 mins
  • ID# LK0992
    Listing Provider: BigIron
    Location: Lisco, NE
    Auction:Jul 16, 2025
    Buyer's Premium: 10%, Max: $500
    Closes:
    53
    $8,600
    Last minute bids extend item close by 5 mins
  • ID# LA9288
    Listing Provider: BigIron
    Location: Mitchellville, IA
    Auction:Jul 16, 2025
    Buyer's Premium: 10%, Max: $500
    Closes:
    79
    $14,250
    Last minute bids extend item close by 5 mins
  • ID# KS4302
    Listing Provider: BigIron
    Location: Hugoton, KS
    Auction:Jul 16, 2025
    Buyer's Premium: 10%, Max: $500
    Closes:
    1
    $1
    Last minute bids extend item close by 2 mins
  • ID# KL4950
    Listing Provider: BigIron
    Location: Belden, NE
    Auction:Jul 16, 2025
    Buyer's Premium: 10%, Max: $500
    Closes:
    66
    $9,100
    Last minute bids extend item close by 5 mins
  • ID# KE8680
    Listing Provider: BigIron
    Location: Haviland, KS
    Auction:Jul 16, 2025
    Buyer's Premium: 10%, Max: $500
    Closes:
    12
    $1,437
    Last minute bids extend item close by 5 mins
  • ID# LH6059
    Listing Provider: BigIron
    Location: Oberlin, KS
    Auction:Jul 30, 2025
    Buyer's Premium: 10%, Max: $500
    Closes:
    No bids

    Last minute bids extend item close by 5 mins
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