Compare/John Deere 9620RX vs John Deere 9RX 640

John Deere 9620RX vs John Deere 9RX 640

Verdict: John Deere 9620RX vs John Deere 9RX 640

The John Deere 9620RX 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 620 hp. John Deere 9620RX is the lighter machine (25,174 kg vs 25,546 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 9RX 640 is the newer design (2021 vs 2016). In short: choose the John Deere 9RX 640 for outright pulling power, or the John Deere 9620RX if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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

620 hp

632 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Gear 2 used for pull test.Reference

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

Drive

articulated-crawlerReference

Original price

—

$999,007 (2026 )Reference

Final drives

—

bull gearReference

Differential lock

—

electro-hydraulic front and rearReference

Variants

9620R

wheeled 4WDReference

—

9620RX

articulated crawlerReference

—

9R 640

—

wheeled 4WDReference

9RX 640

—

articulated crawlerReference

Engine

Fuel tank

1514.0 LReference

Exhaust fluid (DEF)

83.3 LReference

120.0 LReference

Engine (gross)

462.3 kWReference

471.0 kWReference

Drawbar (tested)

368.6 kWReference

—

Displacement

14.9 LReference

13.6 LReference

Bore/Stroke

137 x 169 mmReference

132 x 165 mmReference

Emissions

Tier IVReference

Emission control

selective catalytic reduction, exhaust-gas recirculation, and diesel particulate filterReference

—

Rated Power (gross)

462.3 kWReference

471.0 kWReference

Starter

electricReference

Starter volts

12Reference

Max power

368.6 kWReference

—

Power at rated engine speed

235.0 kWReference

—

Fuel Type

dieselReference

DieselReference

No of Cylinders

6 cylinderReference

—

Emissions compliance

Tier IVReference

Final Tier 4 (FT4)Reference

Bore and stroke

5.39x6.65 inchesReference

—

Cooling system

liquid-cooledReference

56.5 LReference

Engine (max)

—

508.0 kWReference

Maximum Power (gross)

—

508.0 kWReference

Fuel system

—

electronic high-pressure common railReference

Air cleaner

—

dryReference

Compression

—

15.9:1Reference

Rated RPM

—

2100Reference

Torque

—

2954.7 NmReference

Torque RPM

—

1550Reference

Oil capacity

—

64.0 LReference

Oil change

—

500 hReference

Coolant capacity

—

56.5 LReference

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

Transmission

e18 PowerShiftReference

e18Reference

Gears

18 forward and 6 reverseReference

Transmission Type

PowershiftReference

forward and reverse options

e18 PowerShift | 18F and 6RReference

—

Wheel Drive

trackReference

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 (tested)

266.9 kWReference

—

Type

full power shiftReference

Valves

4 to 8Reference

Pump flow

435.3 lpmReference

416.4 lpmReference

SCV flow

159.0 lpmReference

Rear Type

IV/IVNReference

IVN/IVReference

Rear lift

9072 kgReference

—

Drawbar

Cat. 5 HDReference

—

Rear PTO

independentReference

Clutch

electro-hydraulicReference

—

Rear PTO Type

1000 (1.75)Reference

Power at rated PTO speed

257.1 kWReference

—

PTO (claimed)

—

249.8 kWReference

Pressure

—

200.0 barReference

Rear lift (at 24"/610mm)

—

9072 kgReference

Dimensions

Wheelbase

415 cmReference

412 cmReference

Weight

25174 kgReference

25546 kgReference

Length

817 cmReference

879 cmReference

Height (exhaust)

412 cmReference

368 cmReference

Clearance (drawbar)

40 cmReference

—

Shipping

25174 kgReference

—

Max Drawbar

5443 kgReference

—

Height (cab)

—

371 cmReference

Shipping weight

—

25546 kgReference

Gauge

—

220/304 cmReference

9620RX Serial Number Location

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

240Reference

330Reference

Charging volts

12Reference

—

Batteries

4Reference

3Reference

Battery CCA

925Reference

—

Battery volts

12Reference

Total cold cranking amps

925 ampsReference

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

Alternator size

—

250 ampReference

Battery options

—

12 VReference

John Deere 9620RX Tracks

Width

312 cmReference

91 cmReference

Capacities

Max capacity

28123 kgReference

—

Capacity

912 ciReference

827 cu. in.Reference

Diesel exhaust fluid (DEF) tank

83.3 LReference

120 LReference

Crankcase oil volume

—

16.9 U.S. galReference

Test results

Fuel use

120.4 l/hourReference

—

Max pull

21992 kgReference

—

General

Make & Model

John DeereReference

MJDXL13.5,334Reference

SCV control

JoystickReference

ElectronicReference

Drawbar category

Cat. 5 HDReference

Category 5Reference

Country of manufacturer

USAReference

Drawbar Maximum vertical load

—

5,443.1 kgReference

Rear Axle Differential Lock

—

Full-locking electrohydraulicReference

Front Axle Differential Lock

—

Full-locking electrohydraulicReference

Type of headlight bulb

—

Standard: halogen, 65 W\\nOptional: LEDReference

PTO

Rear PTO Power

AvailableReference

Rear PTO RPM

1,000 RPMReference

1,000 rpmReference

PTO Power

—

335 hpReference

PTO torque rise

—

38 percentReference

Rear PTO Control

—

ElectrohydraulicReference

Hydraulics

Hydraulics Type

closed-center pressure/flow compensatedReference

—

Remote Valves

4 to 8 valvesReference

4Reference

Rear Hitch category (SAE designation)

Category IV/IVN optReference

4N/4Reference

Rear Hitch maximum lift capacity

9,071.8 kgReference

15,000Reference

Pump Rated Output (total)

—

416 l/minReference

Rear Hitch Sensing Type

—

Electrohydraulic with draft sensingReference

Dimensions & weight

Overall Length

817.9 cmReference

—

Overall Width

312.9 cmReference

—

Drawbar clearance

40 cmReference

311 mmReference

Overall weight

25,174.4 kgReference

25,846.1 kgReference

Track width

91.4 cmReference

914 mmReference

Turning radius

—

6.4 mReference

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 Air conditioning, temperature differential

Cab available with Air ConditionerReference

—

Seat Suspension

TRUEReference

—

Cab glass area

—

71.47 sq ftReference

Cab space

—

115 cu ftReference

John Deere 9RX 640 Tracks

Power

Max Power

—

691 hpReference

Rated Power

—

640 hpReference

Power boost

—

8 percentReference

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.