Compare/John Deere 4066R vs John Deere 6120L

John Deere 4066R vs John Deere 6120L

Verdict: John Deere 4066R vs John Deere 6120L

The John Deere 4066R and the John Deere 6120L are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 65 hp. John Deere 6120L is the lighter machine (3,590 kg vs 3,770 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 4066R is the newer design (2014 vs 2002). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

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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

Image courtesy of Jeff ZuressReference

Four gears (1-4) in six ranges (A-F) with reverser lever. Push-button power shifting between gears (1-4) and power shuttle directional shifting using the reverser lever. Ranges (A-F) may be shifted on the move by using the clutch.Reference

Original price

$65,850 (20265 hydro Cab)Reference

$36,000 (2007)Reference

Final drives

planetaryReference

—

Differential lock

mechanical rearReference

—

Drive

—

4x4 MFWD 4WD (optional)Reference

Steering

—

hydrostatic powerReference

Variants

6120

—

utility chassisReference

4066M

base modelReference

—

4066R

deluxe modelReference

—

6120L

—

low-profile chassisReference

Engine

Engine (gross)

48.5 kWReference

—

Displacement

2.1 LReference

4.5 LReference

Bore/Stroke

86 x 90 mmReference

106 x 127 mmReference

Emissions

Tier IVReference

Tier IIReference

Emission control

diesel particulate filter (DPF)Reference

—

Rated Power (gross)

48.5 kWReference

—

Fuel system

high-pressure common railReference

—

Compression

19.1:1Reference

—

Rated RPM

2600Reference

2300Reference

Idle RPM

950-2750Reference

845-2465Reference

Torque

207.5 NmReference

347.1 NmReference

Torque RPM

1690Reference

1500Reference

Starter

electricReference

—

Starter volts

12Reference

Oil capacity

5.3 LReference

50.0 LReference

Fuel Type

DieselReference

—

No of Cylinders

FourReference

—

Rated engine speed

2,600 rpmReference

—

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

—

Bore and stroke

86 x 90 mmReference

—

Compression ratio

19.1:1Reference

—

Cooling system

LiquidReference

—

Engine

—

62.6 kWReference

Power

—

59.7 kWReference

Operating RPM

—

1000-2300Reference

Firing order

—

1-3-4-2Reference

Starter power

—

3.0 kWReference

Coolant capacity

—

13.6 LReference

Intake valve clearance

—

0.356 mmReference

Exhaust valve clearance

—

0.457 mmReference

Oil change

—

500 hReference

Transmission

eHydroReference

John Deere PowrQuad PlusReference

Gears

infinite forward and reverse (3-range)Reference

24 forward and reverseReference

Clutch

wet discReference

Transmission Type

E-HSTReference

—

Wheel Drive

4WDReference

—

Clutch disk diameter wet clutch

129 mm\\n5.08 in.Reference

—

Gear Shift Location

PRT - Left-hand sideReference

—

Oil type

—

JD Hy-GardReference

PTO & Hydraulics

Gear PTO (claimed)

40.4 kWReference

—

Hydro PTO (claimed)

38.7 kWReference

—

Hydraulic system

47.3 LReference

50.0 LReference

Type

hydrostaticReference

partial power shiftReference

Capacity

47.3 LReference

50.0 LReference

Pressure

172.4 barReference

200.0 barReference

Valves

3 to 5Reference

—

Pump flow

38.6 lpmReference

94.6 lpmReference

Total flow

60.2 lpmReference

—

Steering flow

21.6 lpmReference

—

Rear Type

IReference

IIReference

Control

position controlReference

—

Rear lift (at ends)

1419 kgReference

—

Rear lift (at 24"/610mm)

1134 kgReference

—

Rear PTO

independentReference

Rear PTO Type

540 (1.375)Reference

540/1000 (optional)Reference

Engine RPM

540E@1750Reference

—

PTO (claimed)

—

48.5 kWReference

Capacities

ROPS Fuel

49.2 LReference

—

Cab Fuel

52.2 LReference

—

Front Axle capacity

1,600.3 kgReference

—

Rear Axle capacity

2,400.4 kgReference

—

Fuel tank

Cab - 52.2 LReference

—

Crankcase oil volume

5.3 LReference

—

Fuel

—

116.2 LReference

Dimensions

Wheelbase

185 cmReference

—

Weight

650 kgReference

3590 kgReference

Front tire

8.00-16Reference

27/9.5-15Reference

Rear tire

13.6-28Reference

16.9-24 (2WD)Reference

Ag front

8.00-16Reference

—

Ag rear

13.6-28Reference

—

Lawn/turf front

27x10.50-15Reference

—

Lawn/turf rear

44x18-20Reference

—

Length

331 cmReference

—

Height (ROPS)

254 cmReference

—

Height (cab)

247 cmReference

—

4WD ROPS Weight

1710 kgReference

—

4WD Cab Weight

2120 kgReference

—

Clearance (front axle)

35 cmReference

—

Front tread

136 cmReference

139 to 173 cmReference

Rear tread

152 cmReference

—

Standard tires (ag)

—

Front: 10.5/80-18. Rear: 16.9-24 (4WD)Reference

Shipping weight

—

3590 kgReference

John Deere 4066R attachments

4066R Serial Number Location

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

75Reference

—

Battery CCA

770Reference

—

Battery volts

12Reference

Battery size

770 CCAReference

—

Alternator size

75 ampReference

—

Charging volts

—

14Reference

Attachment overview

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

—

General

Make & Model

Yanmar @ 4TNV86CHT-MJTReference

—

Lubrication

PressurizedReference

—

Air cleaner

Dual element with electronic restriction indicatorReference

dryReference

Cruise control

StandardReference

—

Creeper

SpeedMatch standardReference

—

SCV control

Joystick: AvailableReference

—

Rollover protective structure

Type\\nFoldable\\nYesReference

—

Platform

FlatReference

—

Power

Max Power

65 hp (2,600 rpm)Reference

—

PTO

PTO Power

51.9 hpReference

—

Rear PTO Power

AvailableReference

—

Rear PTO Control

IndependentReference

—

Rear PTO RPM

540 rpmReference

—

Steering & brakes

Brakes

Multi-plate wet discReference

—

Steering type

Hydrostatic power steeringReference

—

Hydraulics

Pump Rated Output (total)

65.8 l/minReference

—

Hydraulics Type

Single gearReference

—

Remote Valves

6Reference

—

Steering & Implements flow

23.5 L/min (42.3 L/min)Reference

—

Rear Hitch category (SAE designation)

Category 1Reference

—

Dimensions & weight

Ground Clearance

35.1 cmReference

—

Turning radius

2.8 mReference

—

Overall weight

1,710 kgReference

—

Operator station

Cab Availability

OptionalReference

—

Cab Air conditioning, temperature differential

14.4 °C\\n58 °FReference

—

Cab Noise level

78 dBAReference

—

Cab Front visibility

360 degreeReference

—

Cab Seat equipment

Air suspension with swivelReference

—

Speeds

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.