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John Deere
8RT 340
8 Series Tractors

John Deere 8RT 340

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Stay Focused and In Control All Day

When long days demand focus and precision, 8 Series tractors deliver an elevated operator experience with improved visibility, intuitive controls, and a refined cab environment. Everything is designed to reduce fatigue and simplify operation—so you can stay in control, maintain accuracy, and keep performance consistent from the first pass to the last.

Person in sunglasses seated inside a modern tractor cab in a large cultivated field showing a steering wheel, monitors, and equipment.
Put Power Down Efficiently Across Every Pass

Getting the most out of every acre means turning power into productivity. 8 Series tractors combine strong horsepower with traction and efficiency technologies that help reduce slip, maintain consistent speeds, and protect soil conditions. The result is more work done per hour, better fuel efficiency, and dependable performance across varying field conditions.

Green tractor pulling farm equipment across a freshly tilled field, viewed from a low ground-level angle. Rough soil fills the foreground, while the tractor operates under a cloudy sky in an open rural landscape.
Connect Your Tractor to the Rest of Your Operation

Productivity doesn’t stop at the cab - it extends across your entire operation. With integrated precision technology and connectivity through John Deere Operations Center, 8 Series tractors help you document work, monitor performance, and make informed decisions. Turn every pass into insight and plan your next move with greater confidence.

Person working at a desk using a keyboard and mouse while viewing a large monitor displaying a detailed map interface; a laptop and desk lamp sit nearby in a bright workspace
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Machine Configuration
Wheel or Track Configuration

2-Track

Engine
Engine Make

John Deere

Engine Model

JD9

Engine Family

VJDXL09.0333

Emissions Certifications

Final Tier 4

Displacement

549 cu in.

Displacement

9 L

Aspiration

Single, variable geometry turbo; air-to-air aftercooling and cooled exhaust gas recirculation

Number of Cylinders

6

Cylinder Liners

Wet-sleeve

Aftertreatment Type

Diesel oxidation catalyst (DOC)/diesel particulate filter (DPF)/selective catalytic reduction (SCR)

Rated Engine Speed

2100 rpm

Rated Engine Power

335 hp

Rated Engine Power

250 kW

Rated Engine Power

340 PS

Engine Torque at Rated Speed

1174 lb-ft

Engine Torque at Rated Speed

1592 Nm

Maximum Engine Power

369 hp

Maximum Engine Power

275 kW

Maximum Engine Power

374 PS

Maximum Engine Torque

At 1600 rpm: 1592 Nm / 1174 lb-ft

Power Bulge

10 %

Fuel Type

Diesel

Alternative Fuel Type

B20 diesel compatible

Torque Rise

40 %

Transmission
Transmission Type

Standard: e23™ PowerShift™ 40K, 40 km/h (24.9 mph); Optional: John Deere AutoPowr™ IVT™ 40K, 0.05-42 km/h (0.03-26 mph)

Maximum Speed Forward

Standard: 40 km/h (25 mph); Optional: 42 km/h (26 mph)

Minimum Speed Forward

0.05 km/h (0.03 mph)

Rear Power Take-Off (PTO)
PTO Category

45 mm (1.75 in.) 20-spline, 1000 rpm

Rated PTO Power

284 hp

Rated PTO Power

211 kW

Rated PTO Power

288 PS

Engine rpm at Rated PTO Speeds (540/1.000)

1000 PTO rpm: 2000 rpm

Engagement Method

Electrohydraulic with adjustable modulation

Number of Splines

20

Rear Hitch
Rear Hitch Category (SAE Designation)

Category 4N/3 at 610 mm (24 in.) behind hitch point: 9072 kg / 20,000 lb; Optional: Category 4N/3 at 610 mm (24 in.) behind hitch point: 6803 kg / 15,000 lb

Maximum Lift Capacity at 610-mm Behind Hitch Point

Standard (at 610-mm [24-in.] behind hitch point): 12,124 kg 26,729 lb

Lift Capacity Through Full Lift Range at 610-mm Behind Hitch Point

Standard (at 610-mm [24-in.] behind hitch point): 12,124 kg 26,729 lb

Sensing Type

Electrohydraulic

Drawbar
Drawbar Category

Category 4 with heavy-duty support; Optional: Category 4

Maximum Vertical Load

4990 lb / 11,000 lb; Optional: 2245 kg / 4950 lb

Hydraulics
Hydraulic System Type

Closed-center, pressure/flow compensated system with load sensing

Pump Rated Output

85-cc pump: 227.1 L/min (60 gpm)

Number of Rear Selective Control Valves (SCVs)

Standard: 1.3-cm (1/2-in.) ISO couplers: 4; Optional: 1.3-cm (1/2-in.) ISO couplers: 5 and 6 available

Available Flow at a Single Rear SCV

1.3-cm (1/2-in.) couplers: 132 L/min (35 gpm)

SCV Control

Electronic

Rear Axle
Final Drive

Inboard planetary three pinion

Steering & Brakes
Steering Type

Electric command steering with electric pump backup

Tracks
Track Drive Type

Camso® AG 4500 (MICHELIN BIBTRACK 150) Friction Drive

Track Tread Spacing

1828.8 to 3048 mm / 72 to 120 in.

Track Width

Standard: 635 mm / 25 in.; Available: 419 mm / 16.5 in.; 457 mm / 18 in.; 609 mm / 24 in.; 762 mm / 30 in.

Number Of Mid Rollers

Three

Electrical System
Battery Voltage

12 V

Battery Cold Cranking Amps

1900 CCA

Alternator Capacity

200 amp; 330 amp optional

Working Lights

18–24 LED

Driving Lights

LED

Operator Station
Seat Suspension

Air suspension

Degree of Seat Swivel, Left Hand

25 degree (angle)

Degree of Seat Swivel, Right Hand

40 degree (angle)

Cab Suspension

Four-post cab suspension

Instructional Seat

Standard

Primary Display

G5ᴾˡᵘˢ 12.8 in. (325 mm)

Radio

AM/FM stereo with weatherband, remote controls, auxiliary input jack, four speakers and external antenna

Inner Cab Volume

114 cu ft

Inner Cab Volume

3.24 m³

Cab Glass Area

70.18 sq ft

Cab Glass Area

6.52 m²

Technology Integration
Guidance

Integrated AutoTrac™

Connectivity

JDLink™ hardware standard, activations, and Ethernet harnesses (availability dependent upon destination)

Remote Diagnostics

JDLink™ hardware standard

Capacities
Fuel Tank Capacity

202 gal.

Fuel Tank Capacity

764 L

Diesel Exhaust Fluid (DEF) Tank Capacity

8.3 gal.

Diesel Exhaust Fluid (DEF) Tank Capacity

31.3 L

Cooling System Capacity

11.2 gal.

Cooling System Capacity

42.3 L

Transmission - Hydraulic System

52 gal.

Transmission - Hydraulic System

197 L

Crankcase Oil Volume

6.8 gal.

Crankcase Oil Volume

25.7 L

Dimensions & Weights
Base Machine Weight

34400 lb.

Base Machine Weight

15600 kg

Maximum Ballast Level

39000 lb.

Maximum Ballast Level

17700 kg

Maximum Permissible Weight

40100 lb.

Maximum Permissible Weight

18200 kg

Additional Information
Country of Manufacture

USA

Date Collected

2025_04_03T00:00:00.0000000