Compare/John Deere 3020 vs John Deere 4066M

John Deere 3020 vs John Deere 4066M

Verdict: John Deere 3020 vs John Deere 4066M

The John Deere 3020 and the John Deere 4066M are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 65 hp. John Deere 4066M is the lighter machine (1,710 kg vs 7,139 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 4066M is the newer design (2014 vs 1964). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

John Deere

Fit score

Best match

Clear

John Deere

Fit score

Best match

Clear

Rated power

65 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

With 15.5-38 rear tires.Reference

liquid-cooled inlineReference

Factories

MexicoReference

—

Total built

139 (Orchard)Reference

—

Final drives

planetaryReference

Differential lock

mechanical rearReference

Steering

power assistReference

—

Variants

500

industrial tractorReference

—

4066M

—

base modelReference

4066R

—

deluxe modelReference

4066M HD

—

heavy-duty front axleReference

Engine

Drawbar (claimed)

42.5 kWReference

—

Drawbar (tested)

47.1 kWReference

—

Displacement

4.4 LReference

2.1 LReference

Bore/Stroke

108 x 121 mmReference

86 x 90 mmReference

Air cleaner

oil bathReference

Dual elementReference

Compression

9.0:1Reference

—

Rated RPM

2500Reference

2600Reference

Operating RPM

1500-2500Reference

—

Firing order

1-3-4-2Reference

—

Starter volts

24Reference

12Reference

Sparkplug gap

0.381 mmReference

—

Point gap

0.559 mmReference

—

Intake valve clearance

0.457 mmReference

—

Exhaust valve clearance

0.457 mmReference

—

Oil capacity

41.6 LReference

5.3 LReference

Pre-heating

ether injectionReference

—

Power at rated engine speed

52.7 kWReference

—

Max power

47.1 kWReference

—

Fuel Type

DieselReference

No of Cylinders

4-cylinder | 4-cylinder | 4-cylinderReference

FourReference

Rated engine speed

2,500 | 1,500-2,500 RPMReference

2,600 rpmReference

Bore and stroke

4.25x4.00 inchesReference

86 x 90 mmReference

Compression ratio

7.5:1 | 16.5:1 | 9.0:1Reference

19.1:1Reference

Cooling system

liquid-cooled | liquid-cooled | liquid-cooledReference

LiquidReference

Fuel tank

—

49.2 LReference

Engine (gross)

—

48.5 kWReference

Emissions

—

Tier IVReference

Emission control

—

diesel particulate filter (DPF)Reference

Rated Power (gross)

—

48.5 kWReference

Torque

—

207.5 NmReference

Torque RPM

—

1690Reference

Starter

—

electricReference

Emissions compliance

—

Final Tier 4Reference

Cylinder liners

—

Cast-in-blockReference

Engine torque at rated speed

—

178 NmReference

Injection pump type

—

High pressure common rail direct injectionReference

Aspiration

—

Turbocharged and charge air cooledReference

Transmission

John Deere PowershiftReference

eHydroReference

Gears

8 forward and 4 reverseReference

infinite forward and reverse (3-range)Reference

Clutch

hydraulic wet discReference

wet discReference

Transmission Type

—

Power ShuttleReference

Wheel Drive

—

4WDReference

Clutch disk diameter wet clutch

—

129 mm\\n5.08 in.Reference

Gear Shift Location

—

PowrReverser - Left-hand sideReference

PTO & Hydraulics

PTO (claimed)

48.5 kWReference

—

PTO (tested)

53.1 kWReference

—

Syncro-Range Hydraulic system

30.3 LReference

—

Power Shift Hydraulic system

41.6 LReference

—

Type

full power shiftReference

hydrostaticReference

Syncro-Range Capacity

30.3 LReference

—

Power Shift Capacity

41.6 LReference

—

Pressure

144.8 barReference

172.4 barReference

Valves

1Reference

—

SCV flow

22.7 lpmReference

—

Total flow

53.0 lpmReference

60.2 lpmReference

Rear Type

IIReference

IReference

Rear PTO

independentReference

Rear PTO Type

1000Reference

540 (1.375)Reference

Engine RPM

1000@2100Reference

540@2400Reference

Mid PTO Type

1000Reference

—

Power at rated PTO speed

46.9 kWReference

—

Gear PTO (claimed)

—

40.4 kWReference

Hydro PTO (claimed)

—

38.7 kWReference

Pump flow

—

38.6 lpmReference

Steering flow

—

21.6 lpmReference

Control

—

position controlReference

Rear lift (at ends)

—

1419 kgReference

Rear lift (at 24"/610mm)

—

1134 kgReference

Capacities

Fuel

109.8 LReference

—

LP-Gas Fuel

127.2 LReference

—

Capacity

227 ciReference

—

Front Axle capacity

—

1,600.3 kgReference

Rear Axle capacity

—

2,400.4 kgReference

Crankcase oil volume

—

5.3 LReference

Dimensions

Wheelbase

228 cmReference

185 cmReference

Weight

7139 to 7945 poundsReference

650 kgReference

Front tire

6.00-16Reference

8.00-16Reference

Rear tire

13.6-38Reference

13.6-28Reference

Ag front

11.00-12 (single)Reference

8.00-16Reference

Ag rear

15.5-38Reference

13.6-28Reference

Length

351 cmReference

331 cmReference

Width

227 cmReference

—

Height (steering wheel)

191 cmReference

—

Height (exhaust)

222 cmReference

—

Bar rear axle

79 by 3048 mmReference

—

Rear tread

152 to 287 cmReference

152 cmReference

Shipping

3330 kgReference

—

Operating

3603 kgReference

—

Ballasted

4347 kgReference

—

Lawn/turf front

—

27x10.50-15Reference

Lawn/turf rear

—

44x18-20Reference

Height (ROPS)

—

254 cmReference

Height (cab)

—

247 cmReference

Clearance (front axle)

—

35 cmReference

Front tread

—

136 cmReference

John Deere 3020 attachments

3020 Serial Number Location

3020 Serial Numbers

1964

50000Reference

—

1965

68000Reference

—

1966

84000Reference

—

1967

97286Reference

—

1968

112933Reference

—

1969

123000Reference

—

1970

129897Reference

—

1971

150000Reference

—

1972

154197Reference

—

Links

Electrical

Ground

floating (24V)Reference

negativeReference

Charging system

generatorReference

alternatorReference

Batteries

2 (24V)Reference

—

Battery volts

12Reference

Battery options

1 (12V), 2 (24V) | 1 (12V), 2 (24V)Reference

—

Charging amps

—

75Reference

Battery CCA

—

770Reference

Battery size

—

770 CCAReference

Alternator size

—

75 ampReference

Attachment overview

Test results

Fuel use

30.7 l/hourReference

—

Max pull

3483 kgReference

—

Speeds

General

Make & Model

John DeereReference

Yanmar® @ 4TNV86CHT-MJTReference

Lubrication

—

PressurizedReference

Cruise control

—

OptionalReference

SCV control

—

Joystick: AvailableReference

Rollover protective structure

—

Type\\nFixed\\nYesReference

Platform

—

FlatReference

PTO

Rear PTO Power

AvailableReference

Mid PTO

AvailableReference

—

PTO Power

—

54.2 hpReference

Rear PTO Control

—

IndependentReference

Rear PTO RPM

—

540 rpmReference

Hydraulics

Hydraulics Type

Option 1: 8 gal\\nOption 2: closed centerReference

Dual gearReference

Maximum operating pressure

2,100 psiReference

—

Remote Valves

1Reference

6Reference

Rear Hitch category (SAE designation)

Category IIReference

Category 1Reference

Pump Rated Output (total)

—

65.9 l/minReference

Steering & Implements flow

—

21.5 L/min (38.7 L/min)Reference

Dimensions & weight

Overall Height

191.8 cmReference

—

Overall Length

351.8 cmReference

—

Overall Width

227.6 cmReference

—

Ground Clearance

—

35.1 cmReference

Turning radius

—

2.8 mReference

Overall weight

—

1,806.2 kgReference

Wheels & tyres

Rear wheel tread range

13.6-38, 15.5-38 inchReference

—

Front Wheel tread range

6.00-16, 7.50-15, 7.50-16 (single), 11.00-12 (single)Reference

—

Front Wheel Type

—

Farm - 8-16\\nTurf - 27x10.5-15\\nIndustrial - 10-16.5Reference

Steering & brakes

Steering type

power assistReference

Hydrostatic power steeringReference

Brakes

—

Multi-plate wet discReference

John Deere 4066M attachments

4066M Serial Number Location

John Deere 485A Backhoe

Backhoe type

—

John Deere 485A BackhoeReference

Transport height

—

233 cmReference

Bucket width

—

40 cmReference

2-Foot flat digging depth

—

259 cmReference

Reach from pivot

—

355 cmReference

Loading height

—

200 cmReference

Bucket Rotation

—

180°Reference

Swing Arc

—

170°Reference

Bucket force

—

1701 kgReference

Dipperstick force

—

1110 kgReference

Power

Max Power

—

65 hp (2,600 rpm)Reference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.