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John Deere 8RX 340 Tractor Specs

Additional Information

John Deere 8RX 340 Tractor Additional Information specifications
Country of Manufacture USA — Starting 2026 Model Year
Date Collected 4/3/2025 — Starting 2026 Model Year

Capacities

John Deere 8RX 340 Tractor Capacities specifications
Cooling System Capacity 11.20 gal (42.39 l) — Starting 2026 Model Year
Crankcase Oil Volume 7.00 gal (26.50 l) — Starting 2026 Model Year
Diesel Exhaust Fluid (DEF) Tank Capacity 9.80 gal (37.09 l) — Starting 2026 Model Year
Fuel Tank Capacity 244.00 gal (923.54 l) — Starting 2026 Model Year
Transmission - Hydraulic System 66.1 / 68.8 gal. — Starting 2026 Model Year

Dimensions & Weights

John Deere 8RX 340 Tractor Dimensions & Weights specifications
Base Machine Weight 43,300.00 lbs (19,640.57 kg) — Starting 2026 Model Year
Maximum Ballast Level 44,100.00 lbs (20,003.45 kg) — Starting 2026 Model Year
Maximum Permissible Weight 53,000.00 lbs (24,040.43 kg) — Starting 2026 Model Year
Wheelbase 127.36 in (323.49 cm) — Starting 2026 Model Year

Drawbar

John Deere 8RX 340 Tractor Drawbar specifications
Drawbar Category Standard: Category 4 with heavy-duty support; Optional: Category 4 — Starting 2026 Model Year
Maximum Vertical Load Standard: 4,990 kg (11,000 lb); Optional: 2,245 kg (4,950 lb) — Starting 2026 Model Year

Electrical System

John Deere 8RX 340 Tractor Electrical System specifications
Alternator Capacity 200 amp / 330 amp optional — Starting 2026 Model Year
Battery Cold Cranking Amps 1900 CCA — Starting 2026 Model Year
Battery Voltage 12 v — Starting 2026 Model Year
Driving Lights LED — Starting 2026 Model Year
Working Lights 18–24 LED — Starting 2026 Model Year

Engine

John Deere 8RX 340 Tractor Engine specifications
Aftertreatment Type Diesel oxidation catalyst (DOC)/diesel particulate filter (DPF)/selective catalytic reduction (SCR) — Starting 2026 Model Year
Alternative Fuel Type B30 Diesel Compatible — Starting 2026 Model Year
Aspiration Single, variable geometry turbo; air-to-air aftercooling and cooled exhaust gas recirculation — Starting 2026 Model Year
Cylinder Liners Wet-sleeve — Starting 2026 Model Year
Displacement 549.00 cu in (8,996.52 cu cm) — Starting 2026 Model Year
Emissions Certifications Final Tier 4 — Starting 2026 Model Year
Engine Family VJDXL09.0333 — Starting 2026 Model Year
Engine Make John Deere — Starting 2026 Model Year
Engine Model JD9 — Starting 2026 Model Year
Engine Torque at Rated Speed 1,174.00 lbs ft (1,591.71 nm) — Starting 2026 Model Year
Fuel Type Diesel — Starting 2026 Model Year
Maximum Engine Power 369.00 hp (275.17 kw) — Starting 2026 Model Year
Maximum Engine Torque At 1600: 1592 Nm / 1174 lb-ft — Starting 2026 Model Year
Number of Cylinders 6 — Starting 2026 Model Year
Power Bulge 10 % — Starting 2026 Model Year
Rated Engine Power 340 PS — Starting 2026 Model Year
Rated Engine Speed 2100 rpm — Starting 2026 Model Year
Torque Rise 40 % — Starting 2026 Model Year

Front Axle

John Deere 8RX 340 Tractor Front Axle specifications
Front Axle Differential Lock Full-locking electrohydraulic (actuated at same time as rear diff-lock) — Starting 2026 Model Year
Front Axle Type 1700 Series MFWD — Starting 2026 Model Year

Hydraulics

John Deere 8RX 340 Tractor Hydraulics specifications
Available Flow at a Single Rear SCV 1.3-cm (1/2-in.) couplers: 132 L/min (35 gpm) — Starting 2026 Model Year
Available Flow at Front SCVs 25.00 gpm (94.63 lpm) — Starting 2026 Model Year
Hydraulic System Type Closed-center, pressure/flow compensated system with load sensing — Starting 2026 Model Year
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 — Starting 2026 Model Year
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) — Starting 2026 Model Year
SCV Control Electronic — Starting 2026 Model Year

Key Specs

John Deere 8RX 340 Tractor Key Specs specifications
Base Machine Weight 43,300.00 lbs (19,640.57 kg) — Starting 2026 Model Year
Displacement 9.0 L — Starting 2026 Model Year
Engine Family VJDXL09.0333 — Starting 2026 Model Year
Engine Make John Deere — Starting 2026 Model Year
Engine Model JD9 — Starting 2026 Model Year
Maximum Engine Power 369.00 hp (275.17 kw) — Starting 2026 Model Year
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) — Starting 2026 Model Year
Rated Engine Power 335.00 hp (249.81 kw) — Starting 2026 Model Year
Rear Hitch Category (SAE Designation) Category 4N/3 — Starting 2026 Model Year
Transmission Type Standard: e23™ PowerShift™ 40K, 40 km/h (24.9 mph); Optional: John Deere eAutoPowr™ EVT™ 40K, 0.05-42 km/h (0.03-26 mph) — Starting 2026 Model Year

Machine Configuration

John Deere 8RX 340 Tractor Machine Configuration specifications
Wheel or Track Configuration 4-Track — Starting 2026 Model Year

Operator Station

John Deere 8RX 340 Tractor Operator Station specifications
Cab Glass Area 70.61 sq ft — Starting 2026 Model Year
Cab Suspension Four-post cab suspension — Starting 2026 Model Year
Degree of Seat Swivel, Left Hand 25 degree (angle) — Starting 2026 Model Year
Degree of Seat Swivel, Right Hand 40 degree (angle) — Starting 2026 Model Year
Inner Cab Volume 114.0 cu ft — Starting 2026 Model Year
Instructional Seat Standard — Starting 2026 Model Year
Primary Display G5???? 12.8 in (325 mm) — Starting 2026 Model Year
Radio AM/FM stereo with weatherband, remote controls, auxiliary input jack, four speakers and external antenna — Starting 2026 Model Year
Seat Suspension Air seat — Starting 2026 Model Year

Rear Axle

John Deere 8RX 340 Tractor Rear Axle specifications
Final Drive Inboard planetary — Starting 2026 Model Year
Rear Axle Type Flange — Starting 2026 Model Year
Rear Differential Lock Full-locking electrohydraulic — Starting 2026 Model Year

Rear Hitch

John Deere 8RX 340 Tractor Rear Hitch specifications
Lift Capacity Through Full Lift Range at 610-mm Behind Hitch Point 15000 / 20000 lb (6803 / 9072 kg) — Starting 2026 Model Year
Maximum Lift Capacity at 610-mm Behind Hitch Point 9072 kg / 20,000 lb — Starting 2026 Model Year
Rear Hitch Category (SAE Designation) Category 4N/3 — Starting 2026 Model Year
Sensing Type Electrohydraulic — Starting 2026 Model Year

Rear Power Take-Off (PTO)

John Deere 8RX 340 Tractor Rear Power Take-Off (PTO) specifications
Economy PTO Speeds 1000E rpm — Starting 2026 Model Year
Engagement Method Electrohydraulic with adjustable modulation — Starting 2026 Model Year
Engine rpm at Rated PTO Speeds (540/1.000) 1810 / 1995 — Starting 2026 Model Year
Engine rpm at Rated PTO Speeds (540E/1000/1.000E) -- / 1995 / 1590 — Starting 2026 Model Year
Number of Splines 20 — Starting 2026 Model Year
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 (1.75 in.) 20-spline, 1000/1000E rpm — Starting 2026 Model Year
Rated PTO Power 288 PS — Starting 2026 Model Year

Steering & Brakes

John Deere 8RX 340 Tractor Steering & Brakes specifications
Steering Type Hydraulic power-steering with electric pump back-up — Starting 2026 Model Year

Technology Integration

John Deere 8RX 340 Tractor Technology Integration specifications
Connectivity JDLink™ hardware standard, activations, and Ethernet harnesses (availability dependent upon destination) — Starting 2026 Model Year
Guidance Integrated AutoTrac™; Autonomy Ready (available in select regions) — Starting 2026 Model Year
Remote Diagnostics JDLink hardware standard — Starting 2026 Model Year

Tracks

John Deere 8RX 340 Tractor Tracks specifications
Number Of Mid Rollers Front: Two, Rear: Three — Starting 2026 Model Year
Track Drive Type Camso® AG 4500 (MICHELIN BIBTRACK 150) Positive Drive — Starting 2026 Model Year
Track Tread Spacing 1930.4 mm (76 in.), 2032 mm (80 in.), 2235.2 mm (88 in.), 3048 mm (120 in.) — Starting 2026 Model Year
Track Width 419 mm (16.5 in.), 457 mm (18 in.), 609 mm (24 in.), 762 mm (30 in.) — Starting 2026 Model Year

Transmission

John Deere 8RX 340 Tractor Transmission specifications
Maximum Speed Forward 42.00 kph (26.10 mph) — Starting 2026 Model Year
Minimum Speed Forward 0.05 kph (0.03 mph) — Starting 2026 Model Year
Transmission Type Standard: e23™ PowerShift™ 40K, 40 km/h (24.9 mph); Optional: John Deere eAutoPowr™ EVT™ 40K, 0.05-42 km/h (0.03-26 mph) — Starting 2026 Model Year
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