Compare/John Deere 9RX 640 vs John Deere 9RX 830

John Deere 9RX 640 vs John Deere 9RX 830

Verdict: John Deere 9RX 640 vs John Deere 9RX 830

The John Deere 9RX 640 and the John Deere 9RX 830 are both tractors — here is how they stack up on the figures that matter. John Deere 9RX 830 leads on rated power with 830 hp against 632 hp. John Deere 9RX 640 is the lighter machine (25,546 kg vs 33,566 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 9RX 830 holds more fuel (1951.9 L vs 1514.0 L) for longer stints between fills. John Deere 9RX 830 is the newer design (2025 vs 2021). In short: choose the John Deere 9RX 830 for outright pulling power, or the John Deere 9RX 640 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

830 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

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

liquid-cooled inlineReference

Original price

$999,007 (2026 )Reference

—

Drive

articulated-crawlerReference

Final drives

bull gearReference

outboard planetaryReference

Differential lock

electro-hydraulic front and rearReference

Trailer brakes

—

hydraulicReference

Variants

9R 640

wheeled 4WDReference

—

9RX 640

articulated crawlerReference

—

Engine

Fuel tank

1514.0 LReference

1951.9 LReference

Exhaust fluid (DEF)

120.0 LReference

—

Engine (gross)

471.0 kWReference

618.9 kWReference

Engine (max)

508.0 kWReference

680.8 kWReference

Displacement

13.6 LReference

18.0 LReference

Bore/Stroke

132 x 165 mmReference

148 x 174 mmReference

Emissions

Tier IVReference

Rated Power (gross)

471.0 kWReference

618.9 kWReference

Maximum Power (gross)

508.0 kWReference

680.8 kWReference

Fuel system

electronic high-pressure common railReference

—

Air cleaner

dryReference

—

Compression

15.9:1Reference

16.1:1Reference

Rated RPM

2100Reference

1900Reference

Torque

2954.7 NmReference

4234.8 NmReference

Torque RPM

1550Reference

1400Reference

Starter

electricReference

Starter volts

12Reference

Oil capacity

64.0 LReference

71.5 LReference

Oil change

500 hReference

Coolant capacity

56.5 LReference

117.0 LReference

Fuel Type

DieselReference

Emissions compliance

Final Tier 4 (FT4)Reference

Final Tier 4 (FT4) / Stage V Compliant Diesel EngineReference

Engine torque at rated speed

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

4,234 NmReference

Interval for engine oil change

500 hoursReference

Interval for engine coolant change

6,000 hoursReference

6,000 hours or 6 yearsReference

Cooling system

56.5 LReference

117 LReference

Engine (net)

—

594.3 kWReference

Rated Power (net)

—

594.3 kWReference

Maximum Power (net)

—

653.2 kWReference

No of Cylinders

—

6 cylinderReference

Transmission

e18Reference

e21Reference

Gears

18 forward and 6 reverseReference

21 forward and 11 reverseReference

Transmission Type

PowershiftReference

Wheel Drive

4 trackReference

4WDReference

Track Drive type

Four track systemReference

Camso ® Ag 3,500 or 6,500 TracksReference

Rear Axle Drive Type

Bull gear and double idler with floating pinionReference

Outboard planetary with three planetary gearsReference

Interval for hydraulic/transmission oil change

1,500 hoursReference

—

forward and reverse options

—

21F x 11RReference

PTO & Hydraulics

PTO (claimed)

249.8 kWReference

Type

full power shiftReference

Pressure

200.0 barReference

Valves

4 to 8Reference

Pump flow

416.4 lpmReference

635.9 lpmReference

SCV flow

159.0 lpmReference

170.3 lpmReference

Rear Type

IVN/IVReference

—

Rear lift (at 24"/610mm)

9072 kgReference

—

Rear PTO

independentReference

Rear PTO Type

1000 (1.75)Reference

Drawbar

—

Cat. 5Reference

Engine RPM

—

1000@1812Reference

Dimensions

Wheelbase

412 cmReference

462 cmReference

Weight

25546 kgReference

33566 kgReference

Length

879 cmReference

882 cmReference

Height (cab)

371 cmReference

—

Height (exhaust)

368 cmReference

378 cmReference

Shipping weight

25546 kgReference

—

Gauge

220/304 cmReference

304 cmReference

Max Drawbar

—

14742 kgReference

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

Charging amps

330Reference

Batteries

3Reference

5Reference

Battery volts

12Reference

Alternator size

250 ampReference

330 ampReference

Battery options

12 VReference

Total cold cranking amps

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

5 x 925 CCA\\nTotal: 4,625 CCAReference

Battery CCA

—

950Reference

Battery Group

—

31Reference

John Deere 9RX 640 Tracks

Width

91 cmReference

299 cmReference

General

Make & Model

MJDXL13.5,334Reference

—

SCV control

ElectronicReference

Drawbar category

Category 5Reference

Drawbar Maximum vertical load

5,443.1 kgReference

8,618.2 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

—

Display

—

Standard: G5\\n CommandCenter™: 32.5 cm\\n12.8 in.Reference

Radio

—

Varies by comfort and convenience packageReference

Working lights

—

Varies by visibility packageReference

Capacities

Capacity

827 cu. in.Reference

1,098 cu. in.Reference

Diesel exhaust fluid (DEF) tank

120 LReference

—

Crankcase oil volume

16.9 U.S. galReference

18.9 U.S. galReference

Max capacity

—

38102 kgReference

Power

Max Power

691 hpReference

913 hpReference

Rated Power

640 hpReference

830 hpReference

Power boost

8 percentReference

10 percentReference

Intelligent Power Management (IPM)

—

40 hp at rated engine RPMReference

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

636 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

567 mmReference

Turning radius

6.4 mReference

6.8 mReference

Overall weight

25,846.1 kgReference

33,565.8 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

ThreeReference

Overall Height

—

3,784.5 mmReference

Overall Length

—

8,829 mmReference

Operator station

Cab Availability

AvailableReference

Cab glass area

71.47 sq ftReference

73.81 sq ftReference

Cab space

115 cu ftReference

119 cu ftReference

John Deere 9RX 830 Tracks

Steering & brakes

Steering type

—

John Deere ActiveCommand Steering (ACS™)Reference

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.