Compare/John Deere 8RX 440 vs John Deere 9R 440

John Deere 8RX 440 vs John Deere 9R 440

Verdict: John Deere 8RX 440 vs John Deere 9R 440

The John Deere 8RX 440 and the John Deere 9R 440 are both tractors — here is how they stack up on the figures that matter. John Deere 9R 440 leads on rated power with 435 hp against 434 hp. John Deere 9R 440 is the lighter machine (20,856 kg vs 21,949 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 9R 440 holds more fuel (1514.0 L vs 1122.6 L) for longer stints between fills. John Deere 8RX 440 is the newer design (2027 vs 2021). In short: choose the John Deere 9R 440 for outright pulling power, or the John Deere 8RX 440 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

434 hp

435 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

liquid-cooled inlineReference

With group 48 tires.Reference

Drive

crawlerReference

—

Final drives

—

inboard planetaryReference

Differential lock

—

electro-hydraulic front and rearReference

Engine

Fuel tank

1122.6 LReference

1514.0 LReference

Exhaust fluid (DEF)

68.9 LReference

120.0 LReference

Engine (gross)

323.6 kWReference

324.0 kWReference

Engine (max)

355.7 kWReference

356.0 kWReference

Engine (boost)

385.5 kWReference

—

Displacement

13.6 LReference

Bore/Stroke

132 x 165 mmReference

Rated Power (gross)

323.6 kWReference

324.0 kWReference

Maximum Power (gross)

355.7 kWReference

356.0 kWReference

Boost Power

385.5 kWReference

—

Rated RPM

1900Reference

2100Reference

Torque

2196.7 NmReference

2031.3 NmReference

Starter

electricReference

Starter volts

12Reference

Emissions

—

Tier IVReference

Fuel system

—

electronic high-pressure common railReference

Air cleaner

—

dryReference

Compression

—

15.9:1Reference

Torque RPM

—

1550Reference

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: 2,100 rpm\\nOption 2: 2,031 NmReference

Interval for engine oil change

—

500 hoursReference

Interval for engine coolant change

—

6,000 hoursReference

Cooling system

—

56.5 LReference

Transmission

eAutoPowr EVTReference

e18Reference

Gears

infinite forward and reverseReference

18 forward and 6 reverseReference

Transmission Type

—

PowershiftReference

Wheel Drive

—

4WDReference

Rear Axle Drive Type

—

Inboard planetary with double-reduction axleReference

Interval for hydraulic/transmission oil change

—

1,500 hoursReference

PTO & Hydraulics

PTO (claimed)

287.8 kWReference

249.8 kWReference

Type

continuously-variable transmissionReference

full power shiftReference

Rear valves

4 to 6Reference

—

Pump flow

416.4 lpmReference

SCV flow

170.3 lpmReference

159.0 lpmReference

Rear Type

IVN/IIIReference

IVN/IVReference

Control

electro-hydraulic draft sensingReference

—

Rear lift

10886 kgReference

—

Drawbar

Cat. VReference

—

Rear PTO

independentReference

Rear PTO Type

1300 (2.25)Reference

1000 (1.75)Reference

Front PTO

independentReference

—

Clutch

electro-hydraulic wet discReference

—

Front PTO Type

1000 (1.375)Reference

—

Pressure

—

200.0 barReference

Valves

—

4 to 8Reference

Rear lift (at 24"/610mm)

—

9072 kgReference

Dimensions

Weight

21949 kgReference

20856 kgReference

Gauge

365 to 0 cmReference

—

Max Drawbar

8618 kgReference

—

Wheelbase

—

391 cmReference

Front tire

—

710/70R42Reference

Rear tire

—

710/70R42Reference

Ag front

—

710/70R42Reference

Ag rear

—

710/70R42Reference

Length

—

794 cmReference

Height (cab)

—

374 cmReference

Height (exhaust)

—

373 cmReference

Shipping weight

—

20856 kgReference

Max weight

—

28123 kgReference

Front axle

—

119 by 3048 mmReference

Rear axle

—

119 by 3048 mmReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

330Reference

Batteries

3Reference

Battery CCA

950Reference

—

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 8RX 440 Tracks

Width

76 cmReference

440 cmReference

Capacities

Max capacity

28500 kgReference

—

Capacity

—

827 cu. in.Reference

Diesel exhaust fluid (DEF) tank

—

120 LReference

Crankcase oil volume

—

16.9 U.S. galReference

Speeds

General

Make & Model

—

MJDXL13.5,334Reference

SCV control

—

ElectronicReference

Drawbar category

—

Category 4 or Category 5Reference

Drawbar Maximum vertical load

—

5,443.1 kgReference

Rear Axle Type

—

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

Rear Axle Differential Lock

—

Full-locking electrohydraulicReference

Front Axle Type

—

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

Front Axle Differential Lock

—

Full-locking electrohydraulicReference

Country of manufacturer

—

USAReference

Type of headlight bulb

—

Standard: halogen, 65 W\\nOptional: LEDReference

Power

Max Power

—

484 hpReference

Rated Power

—

440 hpReference

Power boost

—

10 percentReference

PTO

PTO Power

—

335 hpReference

PTO torque rise

—

38 percentReference

Rear PTO Power

—

AvailableReference

Rear PTO Control

—

ElectrohydraulicReference

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

—

527 mmReference

Turning radius

—

6.1 mReference

Overall weight

—

20,856.2 kgReference

Operator station

Cab Availability

—

AvailableReference

Cab glass area

—

71.47 sq ftReference

Cab space

—

115 cu ftReference

Cab Seat Type

—

ActiveSeat™ IIReference

Seat Suspension

—

Air suspensionReference

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.