Compare/John Deere 4066M vs John Deere 4066R

John Deere 4066M vs John Deere 4066R

Verdict: John Deere 4066M vs John Deere 4066R

The John Deere 4066M and the John Deere 4066R 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 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 holds more fuel (Cab - 52.2 L vs 49.2 L) for longer stints between fills. 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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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

liquid-cooled inlineReference

Image courtesy of Jeff ZuressReference

Final drives

planetaryReference

Differential lock

mechanical rearReference

Original price

—

$65,850 (20265 hydro Cab)Reference

Variants

4066M

base modelReference

4066R

deluxe modelReference

4066M HD

heavy-duty front axleReference

—

Engine

Fuel tank

49.2 LReference

Cab - 52.2 LReference

Engine (gross)

48.5 kWReference

Displacement

2.1 LReference

Bore/Stroke

86 x 90 mmReference

Emissions

Tier IVReference

Emission control

diesel particulate filter (DPF)Reference

Rated Power (gross)

48.5 kWReference

Rated RPM

2600Reference

Torque

207.5 NmReference

Torque RPM

1690Reference

Starter

electricReference

Starter volts

12Reference

Oil capacity

5.3 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

Fuel system

—

high-pressure common railReference

Compression

—

19.1:1Reference

Idle RPM

—

950-2750Reference

Transmission

eHydroReference

Gears

infinite forward and reverse (3-range)Reference

Clutch

wet discReference

Transmission Type

Power ShuttleReference

E-HSTReference

Wheel Drive

4WDReference

Clutch disk diameter wet clutch

129 mm\\n5.08 in.Reference

Gear Shift Location

PowrReverser - Left-hand sideReference

PRT - Left-hand sideReference

PTO & Hydraulics

Gear PTO (claimed)

40.4 kWReference

Hydro PTO (claimed)

38.7 kWReference

Type

hydrostaticReference

Pressure

172.4 barReference

Pump flow

38.6 lpmReference

Total flow

60.2 lpmReference

Steering flow

21.6 lpmReference

Rear Type

IReference

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

Engine RPM

540@2400Reference

540E@1750Reference

Hydraulic system

—

47.3 LReference

Capacity

—

47.3 LReference

Valves

—

3 to 5Reference

Dimensions

Wheelbase

185 cmReference

Weight

650 kgReference

Front tire

8.00-16Reference

Rear tire

13.6-28Reference

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

Clearance (front axle)

35 cmReference

Front tread

136 cmReference

Rear tread

152 cmReference

4WD ROPS Weight

—

1710 kgReference

4WD Cab Weight

—

2120 kgReference

John Deere 4066M attachments

4066M 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

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

Yanmar @ 4TNV86CHT-MJTReference

Lubrication

PressurizedReference

Air cleaner

Dual elementReference

Dual element with electronic restriction indicatorReference

Cruise control

OptionalReference

StandardReference

SCV control

Joystick: AvailableReference

Rollover protective structure

Type\\nFixed\\nYesReference

Type\\nFoldable\\nYesReference

Platform

FlatReference

Creeper

—

SpeedMatch standardReference

Power

Max Power

65 hp (2,600 rpm)Reference

PTO

PTO Power

54.2 hpReference

51.9 hpReference

Rear PTO Power

AvailableReference

Rear PTO Control

IndependentReference

Rear PTO RPM

540 rpmReference

Capacities

Front Axle capacity

1,600.3 kgReference

Rear Axle capacity

2,400.4 kgReference

Crankcase oil volume

5.3 LReference

ROPS Fuel

—

49.2 LReference

Cab Fuel

—

52.2 LReference

Steering & brakes

Brakes

Multi-plate wet discReference

Steering type

Hydrostatic power steeringReference

Hydraulics

Pump Rated Output (total)

65.9 l/minReference

65.8 l/minReference

Hydraulics Type

Dual gearReference

Single gearReference

Remote Valves

6Reference

Steering & Implements flow

21.5 L/min (38.7 L/min)Reference

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

1,806.2 kgReference

1,710 kgReference

Wheels & tyres

Front Wheel Type

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

—

John Deere 4066R attachments

4066R Serial Number Location

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

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.