Compare/John Deere 8345R vs John Deere 8RX 340

John Deere 8345R vs John Deere 8RX 340

Verdict: John Deere 8345R vs John Deere 8RX 340

The John Deere 8345R and the John Deere 8RX 340 are both tractors — here is how they stack up on the figures that matter. John Deere 8345R leads on rated power with 345 hp against 340 hp. John Deere 8RX 340 is the lighter machine (19,504 kg vs 25,868 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 8RX 340 holds more fuel (927.3 L vs 681.4 L) for longer stints between fills. John Deere 8RX 340 is the newer design (2019 vs 2009). In short: choose the John Deere 8345R for outright pulling power, or the John Deere 8RX 340 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

345 hp

340 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

With 480/80R50 rear tires.Reference

liquid-cooledReference

Drive

—

crawlerReference

Differential lock

—

electro-hydraulic front and rearReference

Variants

8345RT

crawler tractorReference

—

8R 340

—

wheeledReference

8RT 340

—

two-trackReference

8RX 340

—

four-trackReference

Engine

Engine (gross)

257.3 kWReference

253.5 kWReference

Engine (net)

246.1 kWReference

—

Drawbar (tested)

186.2 kWReference

—

Displacement

9.0 LReference

Bore/Stroke

118 x 136 mmReference

Emissions

Stage IIIAReference

Tier IVReference

Rated Power (net)

246.1 kWReference

—

Rated Power (gross)

257.3 kWReference

253.5 kWReference

Air cleaner

dual paper elementsReference

—

Compression

16.3:1Reference

16.0:1Reference

Rated RPM

2100Reference

—

Operating RPM

1500-2100Reference

—

Starter volts

12Reference

Coolant capacity

40.0 LReference

—

Oil capacity

159.0 LReference

—

Max power

186.2 kWReference

—

Fuel Type

DieselReference

No of Cylinders

6 cylinderReference

—

Rated engine speed

2,100 RPMReference

—

Emissions compliance

Tier 3 | Stage IIIAReference

Final Tier 4Reference

Bore and stroke

4.661x5.354 inchesReference

—

Compression ratio

16.3:1Reference

—

Cooling system

liquid-cooledReference

42.3 LReference

Exhaust fluid (DEF)

—

37.1 LReference

Engine (max)

—

278.9 kWReference

Maximum Power (gross)

—

278.9 kWReference

Fuel system

—

electronic high-pressure common railReference

Starter

—

electricReference

Engine torque at rated speed

—

Option 1: 2,100 rpm\\nOption 2: 1,592 NmReference

Interval for engine oil change

—

500 hoursReference

Interval for engine coolant change

—

6,000 hoursReference

PTO & Hydraulics

PTO (claimed)

211.8 kWReference

PTO (tested)

242.4 kWReference

—

Hydraulic system

159.0 LReference

—

Type

closed center, pressrue and flow compensatedReference

infinitely variable transmissionReference

Capacity

159.0 LReference

549 cu. in.Reference

Pressure

200.0 barReference

204.0 barReference

Valves

3 to 5Reference

—

Pump flow

132.5 lpmReference

317.9 lpmReference

Total flow

227.1 lpmReference

—

Rear Type

IVN/IIIReference

Rear lift (at 24"/610mm)

8300 kgReference

6894 kgReference

Front Hitch

optional with ILSReference

—

Front lift

4989 kgReference

—

Rear PTO

independentReference

Rear PTO Type

540/1000 (1-3/8 optional)Reference

1000 (1.75)Reference

Rear valves

—

4 to 6Reference

SCV flow

—

159.0 lpmReference

Control

—

electro-hydraulic draft sensingReference

Engine RPM

—

1000@2000Reference

Capacities

Fuel

681.3 LReference

—

Fuel tank

681.4 LReference

927.3 LReference

Crankcase oil volume

29.5 qtsReference

7 U.S. galReference

Diesel exhaust fluid (DEF) tank

—

37.2 LReference

Dimensions

Wheelbase

302 cmReference

323 cmReference

Weight

25868 to 28902 poundsReference

19504 kgReference

Front tire

420/85R34Reference

—

Rear tire

480/80R50Reference

—

Ag front

420/85R34Reference

—

Ag rear

480/80R50Reference

—

Length

612 cmReference

—

Height (cab)

324 cmReference

—

Shipping weight

13109 kgReference

—

Ground clearance

58 cmReference

—

Front tread

152 to 365 cmReference

—

Gauge

—

304 cmReference

8345R Serial Number Location

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

200Reference

330Reference

Batteries

2Reference

Battery CCA

925Reference

Battery volts

12Reference

Total cold cranking amps

925 CCAReference

1,850 CCAReference

Battery Group

—

31Reference

Alternator size

—

200 ampReference

Battery options

—

12 VReference

Test results

Fuel use

58.7 l/hourReference

—

Max pull

12303 kgReference

—

Transmission

John Deere Infinitely Variable Transmission (IVT)Reference

e23Reference

Gears

infinite forward and reverseReference

Transmission Type

IVTReference

Wheel Drive

4WDReference

MFWDReference

Rear Axle Drive Type

—

Inboard planetaryReference

Interval for hydraulic/transmission oil change

—

1,500 hoursReference

Speeds

General

Make & Model

John DeereReference

MJDXL09.0,333Reference

Cruise control

TRUEReference

—

SCV control

JOYSTICKReference

ElectronicReference

Country of manufacturer

USAReference

Drawbar category

—

Category 4/Category 4 with heavy-duty supportReference

Drawbar Maximum vertical load

—

2,245.3 kgReference

Rear Axle Type

—

FlangeReference

Rear Axle Differential Lock

—

Full-locking electrohydraulicReference

Front Axle Type

—

1,700 Series MFWDReference

Display

—

Standard: 4,600 Generation 4 CommandCenter™: 25.4 cm\\n10 in.Reference

Working lights

—

Standard: 18 halogen\\nAvailable: 18 LED\\n22 LEDReference

Type of headlight bulb

—

Standard: halogen, 65 W\\nAvailable: LEDReference

Hydraulics

Capacity Valves

24 valveReference

—

Pump Rated Output (total)

60 gpmReference

318 l/minReference

Hydraulics Type

closed center, pressrue and flow compensatedReference

—

Maximum operating pressure

2,900 psiReference

—

Remote Valves

3 to 5 VALVESReference

6Reference

Rear Hitch category (SAE designation)

Category IVN/IIIReference

4N/3 standard lift at 610 mmReference

Number of rear selective control valves (SCVs)

—

6Reference

Rear Hitch Sensing Type

—

ElectrohydraulicReference

PTO

PTO Power

284 hpReference

Rear PTO Power

AvailableReference

Rear PTO RPM

1,000 RPMReference

540/1,000 rpmReference

Front PTO Power

AvailableReference

—

PTO torque rise

—

40 percentReference

Rear PTO Control

—

Electrohydraulic with adjustable modulationReference

Steering & brakes

Brakes

differential hydraulic wet discReference

—

Steering type

powerReference

Standard: Hydraulic power-steering with electric pump backupReference

Dimensions & weight

Height Over Cab

324.4 cmReference

—

Overall Length

612.9 cmReference

—

Overall weight

13,109.7 kgReference

19,640.5 kgReference

Turning radius

—

6.8 mReference

Tracks Mid Rollers

—

Front: Two\\nRear: ThreeReference

Wheels & tyres

Rear Wheel Type

480/80R50Reference

—

Front Wheel Type

420/85R34Reference

—

Front Wheel tread range

60 to 144 inchesReference

—

Operator station

Cab Availability

AvailableReference

Cab glass area

—

70.18 sq ftReference

Cab space

—

114 cu ftReference

Seat Suspension

—

Air suspensionReference

8RX 340 Serial Number Location

John Deere 8RX 340 Tracks

Width

—

76 cmReference

Power

Max Power

—

374 hpReference

Rated Power

—

340 hpReference

Power boost

—

10 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.