8RX 340 Four-Track Tractor | 340HP | Row-Crop Tractors

8 Series Tractors
John Deere
#3408XRW

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Characteristics

  • Updated controls and displays for enhanced operator experience
  • Choice of e23™ PowerShift or Infinitely Variable Transmission (IVT™)
  • CommandView™ 4 Plus cab with increased floor space3
  • Fully integrated precision ag technology and Autonomy Ready

Note that this product is available in store only.
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Description

The 8RX 340 four-track row crop tractor is intelligently built to deliver the most integrated experience an operator can have.

Specifications

Engine description John Deere PowerTech™ 9.0 L (B20 diesel compatible)
Engine displacement 9.0 L
549 cu in.
Rated engine power ECE-R120: 250 kW
340 hp
Maximum engine power ECE-R120: 275 kW
374 hp
Rated PTO power (hp SAE) 211 kW
284 hp
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
Hydraulic pump rated output Standard: 85-cc pump: 227.1 L/min
60 gpm
Optional: 85-cc plus 35-cc dual pump: 318 L/min
84 gpm
Rear hitch category (SAE designation) Category 4N/3 at 610 mm (24 in.) behind hitch point: 9,072 kg
20,000 lb
Optional: Category 4N/3 at 610 mm (24 in.) behind hitch point: 6,803 kg
15,000 lb
Base machine weight e23, 457-mm (18-in.) front/rear and 3048-mm (120-in.) tread: 19,600 kg
43,300 lb
Engine Make John Deere
Engine Model JD9
Engine Family VJDXL09.0333
Displacement (L) 9
Displacement (cu in.) 549
Rated Engine Power (hp) 335
Rated Engine Power (kw) 250
Rated Engine Power (PS) 340
Maximum Engine Power (hp) 369
Maximum Engine Power (kW) 275
Maximum Engine Power (PS) 374
Pump Rated Output Standard: 85-cc pump: 227.1 L/min
60 gpm
Optional: 85-cc plus 35-cc dual pump: 318 L/min
84 gpm
Base Machine Weight (lb) 43,300
Base Machine Weight (kg) 19,600
Description John Deere PowerTech 9.0 L (B20 diesel compatible)
Engine type In-line six, four valve
Engine family MJDXL09.0333
Rated speed 2100 rpm
Aspiration Single, variable geometry turbo; air-to-air aftercooling and cooled exhaust gas recirculation
Cylinders liners Wet-sleeve
Emission level Final Tier 4
After treatment type Diesel oxidation catalyst (DOC)/diesel particulate filter (DPF)/selective catalytic reduction (SCR)
Displacement 9.0 L
549 cu in.
Rated power ECE-R120: 250 kW
340 hp
Rated PTO power (hp SAE) 211 kW
284 hp
Power boost 10 percent
Maximum engine power ECE-R120: 275 kW
374 hp
Engine peak torque At 1600 rpm: 1592 Nm
1174 lb-ft
PTO torque rise 40 percent
Type Standard: e23 PowerShift with Efficiency Manager 40K, 40 km/h
24.9 mph
Optional: John Deere AutoPowr IVT 40K, 0.05-42 km/h
0.03-26 mph
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 42 km/h
26 mph
Minimum Speed Forward 0.05 km/h
0.03 mph
Type Closed-center, pressure/flow compensated system with load sensing
Pump rated output Standard: 85-cc pump: 227.1 L/min
60 gpm
Optional: 85-cc plus 35-cc dual pump: 318 L/min
84 gpm
Available flow at a single rear SCV 1.3-cm (1/2-in.) couplers: 132 L/min
35 gpm
1.9-cm (3/4-in.) coupler: 159 L/min
42 gpm
Available flow at front SCVs 96 L/min
25 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
1.9-cm (3/4-in.) ISO coupler: 1
SCV control Electronic
Hitch category (SAE designation) Standard: Category 4N/3 standard lift 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 behind lift points Standard (at 610-mm [24-in.] behind hitch point): 12,124 kg
26,729 lb
Sensing type Electrohydraulic
Rear Hitch Category (SAE Designation) Category 4N/3
Maximum Lift Capacity at 610-mm Behind Hitch Point 9,072 kg
20,000 lb
Lift Capacity Through Full Lift Range at 610-mm Behind Hitch Point 6,803 / 9,072 kg
15,000 / 20,000 lb
Drawbar category Standard: Category 4 with heavy-duty support
Optional: Category 4
Maximum vertical load Standard: 4,990 kg
11,000 lb
Optional: 2,245 kg
4,950 lb
Type Independent
Standard: 44 mm (1.75 in.) 20-spline, 1,000 rpm
Optional: 44 mm (1.75 in.), 20-spline, 1,000 rpm capable of 35 mm (1.375 in.) 540/1000 rpm
44 mm (1.75 in.) 20-spline, 1,000 rpm/1,000E rpm
Engine rpm (at rated PTO speeds) IVT: 1,000 PTO rpm at 2,000 engine rpm, 1,000 ECO PTO at 1594 engine rpm, 540 PTO rpm at 1,814 engine rpm
e23 PowerShift: 1,000 PTO rpm at 1,995 engine rpm, 1,000 ECO PTO at 1,590 engine rpm, 540 PTO rpm at 1,810 engine rpm
Economy PTO speeds 1000E rpm
Multispeed PTO option availability Available: 45-mm (1.75-in.), 1000-rpm and 1000E economy rpm PTO, in-cab shiftable
PTO actuation Electrohydraulic with adjustable modulation
PTO Category Standard: 45 mm
1.75 in.
20-spline, 1,000 rpm
Optional: 45 mm (1.75 in.), 20-spline, 1000 rpm capable of 35 mm
1.375 in.
540/1000 rpm
45 mm
20-spline, 1000/1000E rpm
Rated PTO Power (hp) 284
Rated PTO Power (kW) 211
Rated PTO Power (PS) 288
Engine rpm at Rated PTO Speeds (540/1.000) 1810 / 1995
Engine rpm at Rated PTO Speeds (540E/1000/1.000E) -- / 1995 / 1590
Engagement Method Electrohydraulic with adjustable modulation
Number of Splines 20
Type Flange
Final drive type Inboard planetary
Rear differential lock Full-locking electrohydraulic
Rear Axle Type Flange
Final Drive Inboard planetary
Type 1700 Series MFWD
Front axle differential lock Full-locking electrohydraulic (actuated at same time as rear diff-lock)
Front Axle Type 1700 Series MFWD
Turning radius without brakes With 2032-mm (80-in.) tread setting and 419-mm (16.5-in.) front and rear tracks: 6.78 m
22.2 ft
With 3048-mm (120-in.) tread setting and 610-mm (24-in.) front and rear tracks: 6.85 m
22.5 ft
Tread spacing Available: 1930.4 mm
76 in.
2032 mm
80 in.
2235.2 mm
88 in.
3048 mm
120 in.
Drive type Camso® 4500 General Ag Series
Track width 419 mm
16.5 in.
457 mm
18 in.
609 mm
24 in.
762 mm
30 in.
Mid-rollers Front: Two
Rear: Three
Track Drive Type Camso™ AG 4500 (MICHELIN® BIBTRACK® 150) Friction Drive
Track Tread Spacing 1,930.4 mm
76 in.
2,032 mm
80 in.
2,235.2 mm
88 in.
3,048 mm
120 in.
Number Of Mid Rollers Front: Two
Rear: Three
Type Standard: Hydraulic power-steering with electric pump backup
Alternator size Standard: 200 amp
Optional: 330 amp
Battery options 12 V
Working lights 18–24 light-emitting diode (LED)
Type of bulb in headlight (Halogen, Zenon, LED) Standard: halogen, 65 W
Available: LED
Total cold cranking amps 1,850 CCA
Battery Voltage (V) 12
Battery Cold Cranking Amps (CCA) 1,900
Alternator Capacity 200 amp
Optional: 330 amp
Driving Lights LED
Seat Degree of seat swivel, left hand
25 degree (angle)
Degree of seat swivel, right hand
40 degree (angle)
Standard: air suspension
Cab suspension Four-post cab suspension
Instructional seat Standard
Display Standard: 4600 Generation 4 CommandCenter™: 25.4 cm
10 in.
Radio AM/FM stereo with weatherband, remote controls, auxiliary input jack, four speakers and external antenna
Inner cab volume 3.24 m3
114 cu ft
Cab glass area 6.52 m2
70.18 sq ft
Seat Suspension Air seat
Degree of Seat Swivel, Left Hand (degree (angle)) 25
Degree of Seat Swivel, Right Hand (degree (angle)) 40
Primary Display G5ᴾˡᵘˢ Display - 325 mm
12.8 in.
Inner Cab Volume (cu ft) 114
Inner Cab Volume (m³) 3.24
Cab Glass Area (sq ft) 70.18
Cab Glass Area (m²) 6.52
Wheelbase 3235 mm
127.36 in.
Base machine weight e23, 457-mm (18-in.) front/rear and 3048-mm (120-in.) tread: 19,600 kg
43,300 lb
Maximum ballast level 20,000 kg
44,100 lb
Maximum permissible weight 24,000 kg
53,000 lb
Crankcase oil volume 26.6 L
7 U.S. gal.
Fuel tank 924 L
244 U.S. gal.
Diesel exhaust fluid (DEF) tank 37.2 L
9.8 U.S. gal.
Cooling system 42.3 L
11.2 U.S. gal.
Transmission-hydraulic system 1930-mm and 2032-mm (76-in. and 80-in.) tread: 250 L
661. U.S. gal.
2235-mm and 3048-mm (88-in. and 120-in.) tread: 260.6 L
68.8 U.S. gal.
Fuel Tank Capacity (gal.) 244
Fuel Tank Capacity (L) 924
CTIS: 651
Diesel Exhaust Fluid (DEF) Tank Capacity (gal.) 9.8
Diesel Exhaust Fluid (DEF) Tank Capacity (L) 37.2
Cooling System Capacity (gal.) 11.2
Cooling System Capacity (L) 42.3
Transmission - Hydraulic System (gal) 66.1 / 68.8
Transmission - Hydraulic System (L) 250 / 260.6
Crankcase Oil Volume (gal) 7
Crankcase Oil Volume (L) 26.6
Interval for engine oil change 500 hours
Interval for hydraulic/transmission oil change 1,500 hours
Interval for engine coolant change 6,000 hours
Guidance Integrated AutoTrac™
Telematic JDLink™ hardware standard, activations, and Ethernet harnesses (availability dependent upon destination)
Remote diagnostics JDLink hardware standard
Country of manufacture USA
Date collected 07-May-2026
Country of Manufacture United States
Wheel or Track Configuration 2-Track
Engine Make John Deere
Engine Model JD9
Engine Family VJDXL09.0333
Emissions Certifications Final Tier 4
Displacement (L) 9
Displacement (cu in.) 549
Aspiration Single, variable geometry turbo; air-to-air aftercooling and cooled exhaust gas recirculation
Number of Cylinders Six
Cylinder Liners Wet-sleeve
Aftertreatment Type Diesel oxidation catalyst (DOC)/diesel particulate filter (DPF)/selective catalytic reduction (SCR)
Rated Engine Speed (rpm) 2,100
Rated Engine Power (hp) 335
Rated Engine Power (kW) 250
Rated Engine Power (PS) 340
Engine Torque at Rated Speed (lb-ft) 1,174
Engine Torque at Rated Speed (Nm) 1,592
Maximum Engine Power (hp) 369
Maximum Engine Power (kW) 275
Maximum Engine Power (PS) 374
Maximum Engine Torque At 1,600 rpm: 1,592 Nm
1,174 lb-ft
Power Bulge (%) 10
Fuel Type Diesel
Alternative Fuel Type B30 Diesel Compatible
Torque Rise (%) 40
Hydraulic System Type Closed-center, pressure/flow compensated system with load sensing
Pump Rated Output Standard: 85-cc pump: 227.1 L/min
60 gpm
Optional: 85-cc plus 35-cc dual pump: 318 L/min
84 gpm
Number of Rear Selective Control Valves (SCVs) Standard: 1.3-cm (1/2-in.) ISO couplers: four
Optional: 1.3-cm (1/2-in.) ISO couplers: five and six available
Available Flow at a Single Rear SCV 1.3-cm (1/2-in.) couplers: 132 L/min
35 gpm
Available Flow at Front SCVs (gpm) 25
Available Flow at Front SCVs (L/min) 96
SCV Control Electronic
Steering Type Hydraulic power-steering with electric pump back-up
Guidance Integrated AutoTrac™; Autonomy Ready (available in select regions)
Connectivity JDLink™ hardware standard, activations, and Ethernet harnesses (availability dependent upon destination)
Remote Diagnostics JDLink hardware standard
Wheelbase (in.) 127.36
Wheelbase (mm) 3,235
Base Machine Weight (lb) 43,300
Base Machine Weight (kg) 19,600
Maximum Ballast Level (lb) 44,100
Maximum Ballast Level (kg) 20,000
Maximum Permissible Weight (lb) 53,000
Maximum Permissible Weight (kg) 24,000