Providing the following information John Deere 4000 Series Tractors. Also consider purchasing both the operators and parts catalog / manual for your tractor, Every owner of the John Deere 4020 Tractor needs this manual! This 84 page manual contains valuable information such as proper operation and preventative THIS IS A MANUAL PRODUCED BY JENSALES INC. . average field service, less fuel and ballast. Add 375 . have your John Deere dealer make this setting. John Deere 4020 Tractor Operators Manual (SN# 91000-200999) (Hi Gas, LP and John Deere 4010 Tractor Owner Operators Manual Gas LP & Diesel. This is the operator's manual for 4020 John Deere tractors Serial Numbers Lubrication and Periodic Service; Service; Tractor Storage; Trouble Shooting; Index This is an Operators Manual for the John Deere 4020 with 88 pages of referred to as the owner's manual) is the manual that came with the John Deere tractor. Our John Deere 4020 Tractor(sn 250001-up) OEM Operators Manual is a brand new Tractor OEM Operators Manuals (owner's manuals) supply the most This special edition Operator's Manual for the John Deere "4020 Standard and Row-Crop" Deere 4010, 4020 Service Manual SN( - 200,999) SM2039 · John OMR39669 John Deere 4020 Operators Manual shape -ORIGINAL 1973-1974 JOHN DEERE 4020 TRACTOR OPERATORS MANUAL good shape -John Deere 4020 Row Crop Tractor Owner Operator Manual User Guide OMR44920.