John Deere 4020 Engine Technical Data
Gasoline Engine
Engine Model ……………….. John Deere
Engine Type ……………….. 4 cycle, 6-cylinder 12-valve gasoline
Number of Cylinders ……………….. Six
Displacement, cu in (L) ……………….. 362 (5.90)
Engine Bore, in (mm) ……………….. 4.25 (108.0)
Engine Stroke, in (mm) ……………….. 4.25 (108.0)
Rated Engine Power, hp (kW) ……………….. 101.0 (74.8)
Rated Engine Speed, rpm ……………….. 2200
Idle Speed, rpm ……………….. 650-2500
Compression ……………….. 7.5:1
Firing Order ……………….. 1-5-3-6-2-4
Fuel Tank Capacity, gal (L) ……………….. 34.0 (129.0)
Oil capacity, qts (L) ……………….. 8.0 (7.6)
Coolant Capacity, qts (L) ……………….. 24.0 (22.5)
Electrical System Rating, Volts ……………….. 12
Charging System ……………….. Generator
Diesel Engine
Engine Model ……………….. John Deere
Engine Type ……………….. 4 cycle, 6-cylinder diesel
Number of Cylinders ……………….. Six
Displacement, cu in (L) ……………….. 404 (6.60)
Engine Bore, in (mm) ……………….. 4.25 (108.0)
Engine Stroke, in (mm) ……………….. 4.78 (121.0)
Aspiration ……………….. Natural
Rated Engine Power, hp (kW) ……………….. 101.0 (74.8)
Rated Engine Speed, rpm ……………….. 2200
Idle Speed, rpm ……………….. 600-2500
Firing Order ……………….. 1-5-3-6-2-4
Compression ……………….. 16.5:1
Air Cleaner ……………….. Oil bath
Intake valve clearance (Intake and Exhaust), in (mm)
……………….. 0.018 (0.457)
Fuel Tank Capacity, gal (L) ……………….. 34.0 (129.0)
Electrical System Rating, Volts ……………….. 24
Charging System ……………….. Alternator
JD 4020 Power Take-Off
PTO Horsepower, hp (kW) ……………….. 95.0 (71.5)
Rear PTO Operational Type (Std) ……………….. Independent
Front PTO Operational Type (Opt) ……………….. Independent
Rear PTO Speed, rpm ……………….. 540
Front PTO Speed, rpm ……………….. 1000
Rear PTO / Engine Speed, rpm ……………….. 540/1900
Front PTO / Engine Speed, rpm ……………….. 1000/1900
John Deere 4020 Transmission
Transmission Type ……………….. Syncro Range
Gearbox Type ……………….. 8F/2R, Partially synchronized
Number of Forward Gears ……………….. 8
Number of Reverse Gears ……………….. 2
Oil capacity, qts (L) ……………….. 52.0 (49.2)
Maximum Forward Speed, mph (kph) ……………….. 19.2 (30.9)
Maximum Reverse Speed, mph (kph) ……………….. 5.2 (8.4)
Transmission Type ……………….. PowerShift
Gearbox Type ……………….. 8F/4R, Full power shift
Number of Forward Gears ……………….. 8
Number of Reverse Gears ……………….. 4
Oil capacity, qts (L) ……………….. 68.0 (64.5)
Maximum Forward Speed, mph (kph) ……………….. 20.5 (33.0)
Maximum Reverse Speed, mph (kph) ……………….. 4.9 (7.9)
Service Brake ……………….. Hydraulic wet disc
JD 4020 Wheels and Tires
Drive Wheels ……………….. 2WD 4×2
Steering Configuration ……………….. Front Steer
Steering System ……………….. Power
Front Tire Size (Std) ……………….. 7.5×18
Rear Tire Size (Std) ……………….. 18.4×34
Front Tire Size (Row Crop) ……………….. 6.0×16
Rear Tire Size (Row Crop) ……………….. 15.5×38
Front Track Width, in (mm) ……………….. 48.5-82.3 (1230-2080)
Rear Track Width, in (mm) ……………….. 60-91 (1520-2310)
John Deere 4020 Hydraulics and Hitch
Hydraulic System Type ……………….. Closed center
Implement Pump Flow, gpm (Lpm) ……………….. 18.0 (68.1)
Selective Control Valves Flow, gpm (Lpm) ……………….. 6.0 (22.5)
Hydraulic Pressure, Bar (psi) ……………….. 155 (2250)
Hydraulic Capacity (Syncro Range), gal (L) ……………….. 10.0
(38.0)
Hydraulic Capacity (PowerShift), gal (L) ……………….. 12.0
(45.5)
Number of Standard Remote Valves ……………….. 1/3
3-Point Hitch Category ……………….. 2
Rear Lift Capacity, lb (kg) ……………….. 3790 (1720)
JD 4020 Dimensions and Weight
Wheelbase (Std), in (mm) ……………….. 100.3 (2540)
Wheelbase (Row Crop), in (mm) ……………….. 97.5 (2470)
Overall Width, in (mm) ……………….. 89.6 (2270)
Length, in (mm) ……………….. 151 (3830)
Shipping Weight (Diesel), lb (kg) ……………….. 8440 (3825)
Shipping Weight (Gasoline), lb (kg) ……………….. 8225 (3730)
Operating Weight (Diesel with Syncro Range), lb (kg)
……………….. 8945 (4060)
Operating Weight (Diesel with PowerShift), lb (kg) ………………..
9560 (4335)
Operating Weight (Gasoline with Syncro Range), lb (kg)
……………….. 8645 (3920)
Operating Weight (Gasoline with PowerShift), lb (kg)
……………….. 9240 (4190)