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

John Deere 8345RT vs John Deere 8RX 340

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

The John Deere 8345RT and the John Deere 8RX 340 are both tractors — here is how they stack up on the figures that matter. John Deere 8345RT leads on rated power with 345 hp against 340 hp. John Deere 8345RT is the lighter machine (15,585 kg vs 19,504 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 757.1 L) for longer stints between fills. John Deere 8RX 340 is the newer design (2019 vs 2009). In short: choose the John Deere 8345RT 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.

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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

345 hp

340 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Gear 2.6-MPH used for pull test.Reference

liquid-cooledReference

Drive

crawlerReference

Steering

electro-hydraulic powerReference

—

Differential lock

—

electro-hydraulic front and rearReference

Variants

8345R

wheeled 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

—

Engine (max)

281.9 kWReference

278.9 kWReference

Drawbar (tested)

179.1 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

Maximum Power (gross)

281.9 kWReference

278.9 kWReference

Air cleaner

dual paper elementsReference

—

Compression

16.3:1Reference

16.0:1Reference

Rated RPM

2100Reference

—

Operating RPM

1500-2100Reference

—

Starter

electricReference

Starter volts

12Reference

Coolant capacity

40.0 LReference

—

Oil capacity

258.6 LReference

—

Oil change

375 h (JD Plus-50 II oil)Reference

—

Max power

179.1 kWReference

—

Power at rated engine speed

207.9 kWReference

—

Fuel Type

dieselReference

DieselReference

No of Cylinders

6 cylinderReference

—

Emissions compliance

Tier 4B | selective catalyst reductionReference

Final Tier 4Reference

Bore and stroke

4.66x5.35 inchesReference

—

Cooling system

liquid-cooledReference

42.3 LReference

Exhaust fluid (DEF)

—

37.1 LReference

Fuel system

—

electronic high-pressure common railReference

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)

209.5 kWReference

211.8 kWReference

PTO (tested)

237.8 kWReference

—

Hydraulic system

258.5 LReference

—

Type

closed center pressure-flow compensatedReference

infinitely variable transmissionReference

Capacity

258.5 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)

8754 kgReference

6894 kgReference

Rear PTO

independentReference

Rear PTO Type

1000 (1-3/4)Reference

1000 (1.75)Reference

Power at rated PTO speed

228.4 kWReference

—

Rear valves

—

4 to 6Reference

SCV flow

—

159.0 lpmReference

Control

—

electro-hydraulic draft sensingReference

Engine RPM

—

1000@2000Reference

Capacities

Fuel

757.0 LReference

—

Fuel tank

757.1 LReference

927.3 LReference

Diesel exhaust fluid (DEF) tank

—

37.2 LReference

Crankcase oil volume

—

7 U.S. galReference

Dimensions

Wheelbase

251 cmReference

323 cmReference

Weight

15585 kgReference

19504 kgReference

Length

567 cmReference

—

Height (cab)

332 cmReference

—

Shipping weight

15585 kgReference

—

Clearance (rear axle)

62 cmReference

—

Clearance (drawbar)

37 cmReference

—

Gauge

—

304 cmReference

8345RT Serial Numbers

Location:

Right side of tractor.Reference

—

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

200Reference

330Reference

Batteries

2Reference

Battery CCA

925Reference

Battery volts

12Reference

Total cold cranking amps

925 (each) CCAReference

1,850 CCAReference

Battery Group

—

31Reference

Alternator size

—

200 ampReference

Battery options

—

12 VReference

John Deere 8345RT Tracks

Width

381 cmReference

76 cmReference

Test results

Fuel use

58.3 l/hourReference

—

Max pull

15518 kgReference

—

Transmission

Infinitely Variable Transmission (IVT)Reference

e23Reference

Gears

infinite forward and reverseReference

Oil type

JD Hy-GardReference

—

Transmission Type

IVTReference

forward and reverse options

infinite forward and reverseReference

—

Wheel Drive

4WDReference

MFWDReference

Rear Axle Drive Type

—

Inboard planetaryReference

Interval for hydraulic/transmission oil change

—

1,500 hoursReference

General

Make & Model

John DeereReference

MJDXL09.0,333Reference

Cruise control

TRUEReference

—

SCV control

JOYSTICKReference

ElectronicReference

Drawbar category

Cat 4 | Cat 4 Heavy-Duty optionalReference

Category 4/Category 4 with heavy-duty supportReference

Country of manufacturer

USAReference

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

PTO

PTO Power

286 hpReference

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

hydraulic wet discReference

—

Steering type

—

Standard: Hydraulic power-steering with electric pump backupReference

Hydraulics

Pump Rated Output (total)

60 gpmReference

318 l/minReference

Hydraulics Type

closed-center load sensing pressure flow compensatedReference

—

Remote Valves

4 to 6 VALVESReference

6Reference

Rear Hitch category (SAE designation)

Category IVN/IIIReference

4N/3 standard lift at 610 mmReference

Rear Hitch maximum lift capacity

9,071.8 kgReference

—

Number of rear selective control valves (SCVs)

—

6Reference

Rear Hitch Sensing Type

—

ElectrohydraulicReference

Dimensions & weight

Height Over Cab

332.2 cmReference

—

Overall Length

567.7 cmReference

—

Overall Width

381 cmReference

—

Drawbar clearance

37.1 cmReference

—

Front axle clearance

62.2 cmReference

—

Overall weight

15,585.4 kgReference

19,640.5 kgReference

Track width

76.2 cmReference

—

Turning radius

—

6.8 mReference

Tracks Mid Rollers

—

Front: Two\\nRear: ThreeReference

Operator station

Cab Availability

CommandView III cab standard with air-conditioning.Reference

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

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.