Compare/John Deere 9R 640 vs John Deere 9RX 590

John Deere 9R 640 vs John Deere 9RX 590

Verdict: John Deere 9R 640 vs John Deere 9RX 590

The John Deere 9R 640 and the John Deere 9RX 590 are both tractors — here is how they stack up on the figures that matter. John Deere 9R 640 leads on rated power with 632 hp against 582 hp. John Deere 9R 640 is the lighter machine (21,174 kg vs 25,546 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. In short: choose the John Deere 9R 640 for outright pulling power, or the John Deere 9RX 590 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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

632 hp

582 hp

Confidence

98%

Guide price

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Overview

Manufacturer

John DeereReference

With group 48 tires.Reference

liquid-cooled inlineReference

Final drives

inboard planetaryReference

bull gearReference

Differential lock

electro-hydraulic front and rearReference

Original price

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$957,161 (2026 )Reference

Drive

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articulated-crawlerReference

Variants

9R 640

wheeled 4WDReference

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9RX 640

articulated crawlerReference

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9R 590

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wheeled 4WDReference

9RX 590

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articulated crawlerReference

Engine

Fuel tank

1514.0 LReference

Exhaust fluid (DEF)

120.0 LReference

Engine (gross)

471.0 kWReference

434.0 kWReference

Engine (max)

508.0 kWReference

477.0 kWReference

Displacement

13.6 LReference

Bore/Stroke

132 x 165 mmReference

Emissions

Tier IVReference

Rated Power (gross)

471.0 kWReference

434.0 kWReference

Maximum Power (gross)

508.0 kWReference

477.0 kWReference

Fuel system

electronic high-pressure common railReference

Air cleaner

dryReference

Compression

15.9:1Reference

Rated RPM

2100Reference

Torque

2954.7 NmReference

2722.8 NmReference

Torque RPM

1550Reference

Starter

electricReference

Starter volts

12Reference

Oil capacity

64.0 LReference

Oil change

500 hReference

Coolant capacity

56.5 LReference

Fuel Type

DieselReference

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Emissions compliance

Final Tier 4 (FT4)Reference

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Engine torque at rated speed

Option 1: 2,100 rpm\\nOption 2: 2,954 NmReference

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Interval for engine oil change

500 hoursReference

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Interval for engine coolant change

6,000 hoursReference

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Cooling system

56.5 LReference

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Transmission

e18Reference

Gears

18 forward and 6 reverseReference

Transmission Type

PowershiftReference

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Wheel Drive

4WDReference

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Rear Axle Drive Type

Inboard planetary with double-reduction axleReference

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Interval for hydraulic/transmission oil change

1,500 hoursReference

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PTO & Hydraulics

PTO (claimed)

249.8 kWReference

Type

full power shiftReference

Pressure

200.0 barReference

Valves

4 to 8Reference

Pump flow

416.4 lpmReference

SCV flow

159.0 lpmReference

Rear Type

IVN/IVReference

Rear lift (at 24"/610mm)

9072 kgReference

Rear PTO

independentReference

Rear PTO Type

1000 (1.75)Reference

Dimensions

Wheelbase

391 cmReference

412 cmReference

Weight

21174 kgReference

25546 kgReference

Front tire

800/70R38Reference

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Rear tire

800/70R38Reference

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Ag front

800/70R38Reference

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Ag rear

800/70R38Reference

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Length

794 cmReference

879 cmReference

Width

440 cmReference

91 cmReference

Height (cab)

374 cmReference

371 cmReference

Height (exhaust)

373 cmReference

368 cmReference

Shipping weight

21174 kgReference

25546 kgReference

Max weight

30391 kgReference

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Front axle

119 by 3048 mmReference

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Rear axle

119 by 3048 mmReference

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Gauge

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220/304 cmReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

330Reference

Batteries

3Reference

Battery volts

12Reference

Alternator size

250 ampReference

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Battery options

12 VReference

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Total cold cranking amps

3 x 925 CCA\\nTotal: 2,775 CCAReference

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Speeds

General

Make & Model

MJDXL13.5,334Reference

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SCV control

ElectronicReference

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Drawbar category

Category 5Reference

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Drawbar Maximum vertical load

5,443.1 kgReference

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Rear Axle Type

Diameter: 120 x 3,048 mm\\n4.72 x 120 in.Reference

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Rear Axle Differential Lock

Full-locking electrohydraulicReference

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Front Axle Type

Diameter: 120 x 3,048 mm\\n4.72 x 120 in.Reference

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Front Axle Differential Lock

Full-locking electrohydraulicReference

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Country of manufacturer

USAReference

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Type of headlight bulb

Standard: halogen, 65 W\\nOptional: LEDReference

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Capacities

Capacity

827 cu. in.Reference

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Diesel exhaust fluid (DEF) tank

120 LReference

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Crankcase oil volume

16.9 U.S. galReference

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Power

Max Power

691 hpReference

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Rated Power

640 hpReference

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Power boost

8 percentReference

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PTO

PTO Power

335 hpReference

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PTO torque rise

38 percentReference

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Rear PTO Power

AvailableReference

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Rear PTO Control

ElectrohydraulicReference

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Rear PTO RPM

1,000 rpmReference

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Hydraulics

Pump Rated Output (total)

416 l/minReference

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Remote Valves

4Reference

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Rear Hitch category (SAE designation)

4N/4Reference

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Rear Hitch maximum lift capacity

15,000Reference

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Rear Hitch Sensing Type

Electrohydraulic with draft sensingReference

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Dimensions & weight

Drawbar clearance

527 mmReference

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Turning radius

6 mReference

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Overall weight

21,173.7 kgReference

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Operator station

Cab Availability

AvailableReference

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Cab glass area

71.47 sq ftReference

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Cab space

115 cu ftReference

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Cab Seat Type

ActiveSeat™ IIReference

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Seat Suspension

Air suspensionReference

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John Deere 9RX 590 Tracks

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.