Home » Buy Now John Deere 4020 for sale PA Buy Now John Deere 4020 for sale PA. Drive: 2 WDHP. One owner tractor. tractor was completely restored. Tractor was upgraded to 18.4-38 rear rubber. Front tires are new. Front stack of weights. Tractor was completely repainted and done up well tractor. Specifications General Year1970ManufacturerJOHN DEEREModel4020ConditionUsedHours9600Price for sale16,000 – 17,000 USD Attachments LoaderYesLoader Make148Loader ModelJohn Deere Chassis Tires or TracksTiresFront Tire ConfigurationSinglesRear Tire ConfigurationSingles Hydraulics Rear Remote Hydraulics2 Powertrain Engine Horsepower100 HPDrive2 WDTransmission TypeSync Shuttleof Forward Speeds8of Reverse Speeds2Rear PTO Speed540