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Home / Farm Tractors / John Deere Tractors / JD 3020

John Deere 3020 Tractor

The John Deere 3020 is a New Generation series row crop tractor. This model was manufactured from 1964 to 1972. The JD 3020 tractor is powered by 270 cubic inches (4.4 L) John Deere 4-cylinder water cooled diesel engine with a rated power of 77 hp (57 kW), or 227 cubic inches (3.7 L) John Deere 4-cylinder water cooled gasoline engine with a rated power of 76 hp (56.3 kW).

The John Deere 3020 was fitted with 2 types of transmission. Type 1: 8x2 syncro-range partially synchronized transmission. Type 2: Powershift transmission with 8 forward and 4 reverse gears.

The maximum forward speed - 19.5 mph (31.4 km/h), max. reverse speed - 6.2 mph (10 km/h). The closed center hydraulic system includes a gear pump with rated capacity of 14 gpm (53 lpm). The hydraulic system pressure is 145 bar (2100 psi). The tractor was equipped with 6.00x16 or 7.50x15 front tires and 13.6x38 or 15.5x38 rear tires. The wheelbase is 90" (2280 mm).

The John Deere 3020 is compatible with JD 48 loader with a liftting capacity to full height of 2400 lbs (1088 kg), or JD 148 loader with a lifting capacity to full height of 3100 lbs (1406 kg).

Diesel Engine
Engine Model John Deere
Engine Type 4-Cycle four-cylinder water cooled diesel
Number of Cylinders 3
Displacement, cu in (L) 270 (4.40)
Engine Bore, in (mm) 4.25 (108.0)
Engine Stroke, in (mm) 4.75 (121.0)
Rated Engine Power, hp (kW) 77.0 (57.0)
Rated Engine Speed, rpm 2500
Idle Speed, rpm 1500
Compression 16.5:1
Firing Order 1-3-4-2
Air Cleaner Oil bath
Fuel Tank Capacity, gal (L) 29.0 (110.0)
Oil Capacity, qts (L) 9.0 (8.5)
Valve Clearance, in (mm) 0.018 (0.46)
Electrical System Rating, Volts 24

Gasoline Engine
Engine Model John Deere
Engine Type 4-Cycle four-cylinder water cooled gasoline
Number of Cylinders 4
Displacement, cu in (L) 227 (3.70)
Engine Bore, in (mm) 4.25 (108.0)
Engine Stroke, in (mm) 4.00 (102.0)
Rated Engine Power, hp (kW) 76.0 (56.3)
Rated Engine Speed, rpm 2500
Idle Speed, rpm 1500
Compression 7.5:1
Firing Order 1-3-4-2
Air Cleaner Oil bath
Sparkplug Gap, in (mm) 0.025 (0.635)
Point Gap, in (mm) 0.022 (0.559)
Intake Valve Clearance, in (mm) 0.015 (0.381)
Exhaust Valve Clearance, in (mm) 0.028 (0.711)
Fuel Tank Capacity, gal (L) 29.0 (110.0)
Oil Capacity, qts (L) 8.0 (7.6)
Electrical System Rating, Volts 12

Power Take-Off
PTO Operational Type Independent
PTO Horsepower, hp (kW) 71.0 (52.6)
Rear PTO Speed, rpm 540/1000
Mid PTO Speed, rpm 1000
PTO/Engine Speed, rpm 540/2100
PTO/Engine Speed, rpm 1000/2100


Standard Transmission
Transmission Type Syncro-Range
Gearbox Type 8F/2R, partially synchronized
Number of Forward Gears 8
Number of Reverse Gears 2
Clutch Type Dry disc
Oil Capacity, qts (L) 32.0 (30.4)
Maximum Forward Speed, mph (kph) 17.6 (28.3)
Maximum Reverse Speed, mph (kph) 6.2 (10.0)

Optional Transmission
Transmission Type Powershift
Gearbox Type 8F/4R, full power shift
Number of Forward Gears 8
Number of Reverse Gears 4
Clutch Type Hydraulic wet disc
Oil Capacity, qts (L) 44.0 (41.5)
Maximum Forward Speed, mph (kph) 19.5 (31.4)
Maximum Reverse Speed, mph (kph) 6.2 (10.0)

Wheels and Tires
Drive Wheels 2WD 4x2
Steering Configuration Front Steer
Steering System Power assist
Brake Type Differential hydraulic wet disc
Front Tire Size (Std) 6.00x16
Rear Tire Size (Std) 13.6x38
Front Tire Size (Opt) 7.50x15
Rear Tire Size (Opt) 15.5x38

Hydraulic System
Hydraulic System Type Closed center
Implement Pump Flow, gpm (Lpm) 14.0 (53.0)
Hydraulic Pressure, Bar (psi) 145 (2100)
Hydraulic Fluid Capacity (Syncro-Range), gal (L) 8.0 (30.5)
Hydraulic Fluid Capacity (Power Shift), gal (L) 11.0 (41.5)
Number of Standard Remote Valves 1
3-Point Hitch Category 2

Dimensions and Weight
Wheelbase, in (mm) 90 (2280)
Length, in (mm) 138.5 (2270)
Height (Steering Wheel), in (mm) 75.5 (1910)
Height (Exhaust), in (mm) 87.5 (2220)
Overall Width, in (mm) 89.6 (2270)
Shipping Weight (Gas), lb (kg) 7140 (3240)
Shipping Weight (Diesel), lb (kg) 7340 (3330)
Operating Weight (Gas), lb (kg) 7695 (3490)
Operating Weight (Diesel), lb (kg) 7945 (3600)

Front End Loader
Loader Type John Deere 148
Height (to pin), in (mm) 126 (3200)
Clearance with Dumped Bucket, in (mm) 102 (2590)
Dump Reach, in (mm) 32 (810)
Dump Angle, deg 38
Clearance with Level Bucket, in (mm) 121 (3070)
Rollback Angle, deg 11
Breakout Force, lb (kg) 4700 (2130)
Lift to Full Height (at pin), lb (kg) 3100 (1406)
Bucket Capacity, cu.yd (cu.m) 0.50 (0.40)
Bucket Width, in (mm) 60 (1520)
Loader Weight, lb (kg) 1350 (612)

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