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John Deere 8R 340

John Deere 8R 340 tractor
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The John Deere 8R 340 is a row-crop tractor produced since 2019 as part of the 8R Series. It is built in Waterloo, Iowa, USA. The tractor features a John Deere 9.0L 6-cylinder turbocharged diesel engine with Tier IV emissions, delivering 340 hp rated power and up to 374 hp maximum power. It offers transmission options including a 23-speed full power shift and an infinitely variable transmission. The tractor includes four-wheel drive, inboard planetary final drives, and power steering. Hydraulics are closed-center pressure flow compensated with up to 84 gpm optional pump flow. The tractor hitch supports electro-hydraulic draft sensing with rear and front lift capacities. PTO options include independent rear and optional front PTO with electro-hydraulic wet disc clutches. Dimensions include a 120.1 inch wheelbase, 252.8 inch length, and a cab height of 137.8 inches. Standard tires are 420/85R34 front and 480/80R50 rear. Electrical system features a 250 amp alternator with optional 330 amp, two 12-volt batteries with 925 CCA each. Original price was $408,496 in 2020.
John Deere8R 340tractorspecificationsenginetransmissionhydraulicsPTOdimensionsrow-crop tractor
Power340 hp
Founded2019 -
Model8R 340

Technical Specifications

Detailed specifications and technical data for John Deere 8R 340

Power

Engine (max):374 hp (278.9 kW)
PTO (tested):346.20 hp (258.2 kW)
PTO (claimed):284 hp (211.8 kW)
Engine (gross):340 hp (253.5 kW)
Drawbar (tested):267.86 hp (199.7 kW)

Engine

Type:turbocharged diesel
Cooling:liquid-cooled
Starter:electric
Cylinders:6-cylinder
Emissions:Tier IV
Fuel tank:192 gal (726.7 L)
Rated RPM:2100
Bore/Stroke:4.66x5.35 inches (118 x 136 mm)
Compression:16.0:1
Fuel system:electronic high-pressure common rail
Displacement:549 ci (9.0 L)
Manufacturer:John Deere
Starter volts:12
Exhaust fluid (DEF):9.8 gal (37.1 L)
Rated Power (gross):340 hp (253.5 kW)
Maximum Power (gross):374 hp (278.9 kW)

Variants

8R 340:wheeled
8RT 340:two-track
8RX 340:four-track

Electrical

Ground:negative
Batteries:2
Battery CCA:925
Battery Group:31
Battery volts:12
Charging amps:250 (330 Optional)
Charging system:alternator

Hydraulics

Type:closed-center pressure flow compensated
Pressure:2958 psi (204.0 bar)
SCV flow:35 gpm (rear) (132.5 lpm)
Pump flow:60 gpm (227.1 lpm)
Rear valves:4 to 6
Optional pump flow:84 gpm (317.9 lpm)

Mechanical

Cab:standard with air-conditioning
Final drives:inboard planetary
Power steering:yes
Four-wheel drive:yes

Production

Series:8R Series
Built in:Waterloo, Iowa, USA
Category:Row-Crop tractor
Original price:$408,496 in 2020
Production years:2019 -

References

Operator's Manual:8R Tractors (OMRE593195) published in 2021

Transmission

Type:full power shift
Gears:23 forward and 11 reverse
IVT Type:infinitely variable transmission
IVT Gears:infinite forward and reverse
Transmission:e23
Transmission options:23-speed full power shift, infinitely variable transmission

Tractor hitch

Control:electro-hydraulic draft sensing
Rear Type:IVN/III
Front Hitch:IIIN
Optional rear lift:15200 lbs (6894 kg)
Front lift (at ends):11464 lbs (5200 kg)
Rear lift (at 24"/610mm):20000 lbs (9072 kg)

Dimensions & Tires

Length:252.8 inches (642 cm)
Weight:27800 to 28530 pounds
Wheelbase:120.1 inches (305 cm)
Front tread:60 to 144 inches (152 to 365 cm)
Rear axle 1:4.72 by 100.4 inches (119 by 2550 mm)
Rear axle 2:4.72 by 118.5 inches (119 by 3009 mm)
Height (cab):137.8 inches (350 cm) *Height with Group 49 tires, exclusive antennas and beacons.
Operating weight:28530 lbs (12941 kg) *Weight of power shift tractor with 480/80R50 duals.
Clearance (drawbar):15.2 inches (38 cm)
Standard tires (ag):Front: 420/85R34, Rear: 480/80R50
Clearance (rear axle):31.5 inches (80 cm)
Weight (with IVT and ILS):27800 lbs (12610 kg)

Power Take-off (PTO)

Clutch:electro-hydraulic wet disc
Rear PTO:independent
Front PTO:independent (Optional)
Rear PTO Type:1000 (1.75)
Front PTO Type:1000 (1.375)
Clutch (front PTO):electro-hydraulic wet disc
Engine RPM (rear PTO):1000@2003, 1000E@1596
Engine RPM (front PTO):1000@2000

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