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

John Deere 9RX 590 vs John Deere 9RX 640

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

The John Deere 9RX 590 and the John Deere 9RX 640 are both tractors — here is how they stack up on the figures that matter. John Deere 9RX 640 leads on rated power with 632 hp against 582 hp. In short: choose the John Deere 9RX 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

582 hp

632 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

liquid-cooled inlineReference

During the first year of production the 9R 640 used a Cummins QSX15 engine.Reference

Original price

$957,161 (2026 )Reference

$999,007 (2026 )Reference

Drive

articulated-crawlerReference

Final drives

bull gearReference

Differential lock

electro-hydraulic front and rearReference

Variants

9R 590

wheeled 4WDReference

—

9RX 590

articulated crawlerReference

—

9R 640

—

wheeled 4WDReference

9RX 640

—

articulated crawlerReference

Engine

Fuel tank

1514.0 LReference

Exhaust fluid (DEF)

120.0 LReference

Engine (gross)

434.0 kWReference

471.0 kWReference

Engine (max)

477.0 kWReference

508.0 kWReference

Displacement

13.6 LReference

Bore/Stroke

132 x 165 mmReference

Emissions

Tier IVReference

Rated Power (gross)

434.0 kWReference

471.0 kWReference

Maximum Power (gross)

477.0 kWReference

508.0 kWReference

Fuel system

electronic high-pressure common railReference

Air cleaner

dryReference

Compression

15.9:1Reference

Rated RPM

2100Reference

Torque

2722.8 NmReference

2954.7 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

Emissions compliance

—

Final Tier 4 (FT4)Reference

Engine torque at rated speed

—

Option 1: 2,954 Nm\\nOption 2: 2,100 rpmReference

Interval for engine oil change

—

500 hoursReference

Interval for engine coolant change

—

6,000 hoursReference

Cooling system

—

56.5 LReference

Transmission

e18Reference

Gears

18 forward and 6 reverseReference

Transmission Type

—

PowershiftReference

Wheel Drive

—

4 trackReference

Track Drive type

—

Four track systemReference

Rear Axle Drive Type

—

Bull gear and double idler with floating pinionReference

Interval for hydraulic/transmission oil change

—

1,500 hoursReference

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

412 cmReference

Weight

25546 kgReference

Length

879 cmReference

Height (cab)

371 cmReference

Height (exhaust)

368 cmReference

Shipping weight

25546 kgReference

Gauge

220/304 cmReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

330Reference

Batteries

3Reference

Battery volts

12Reference

Alternator size

—

250 ampReference

Battery options

—

12 VReference

Total cold cranking amps

—

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

John Deere 9RX 590 Tracks

Width

91 cmReference

John Deere 9RX 640 Tracks

General

Make & Model

—

MJDXL13.5,334Reference

SCV control

—

ElectronicReference

Drawbar category

—

Category 5Reference

Drawbar Maximum vertical load

—

5,443.1 kgReference

Rear Axle Differential Lock

—

Full-locking electrohydraulicReference

Front Axle Differential Lock

—

Full-locking electrohydraulicReference

Country of manufacturer

—

USAReference

Type of headlight bulb

—

Standard: halogen, 65 W\\nOptional: LEDReference

Capacities

Capacity

—

827 cu. in.Reference

Diesel exhaust fluid (DEF) tank

—

120 LReference

Crankcase oil volume

—

16.9 U.S. galReference

Power

Max Power

—

691 hpReference

Rated Power

—

640 hpReference

Power boost

—

8 percentReference

PTO

PTO Power

—

335 hpReference

PTO torque rise

—

38 percentReference

Rear PTO Control

—

ElectrohydraulicReference

Rear PTO Power

—

AvailableReference

Rear PTO RPM

—

1,000 rpmReference

Hydraulics

Pump Rated Output (total)

—

416 l/minReference

Remote Valves

—

4Reference

Rear Hitch category (SAE designation)

—

4N/4Reference

Rear Hitch maximum lift capacity

—

15,000Reference

Rear Hitch Sensing Type

—

Electrohydraulic with draft sensingReference

Dimensions & weight

Drawbar clearance

—

311 mmReference

Turning radius

—

6.4 mReference

Overall weight

—

25,846.1 kgReference

Track width

—

914 mmReference

Track Tread Spacing

—

Wide undercarriage: 2,218 mm\\n87 in.\\n3,048 mm\\n120 in.Reference

Tracks Mid Rollers

—

TwoReference

Operator station

Cab Availability

—

AvailableReference

Cab glass area

—

71.47 sq ftReference

Cab space

—

115 cu ftReference

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.