John Deere 8R 340

The John Deere 8R 340 is a tractor produced by John Deere. It is equipped with a 549 ci 9.0 L engine. The rated power output is 340 hp 253.5 kW. Transmission: e23. Operating weight: 27800 lbs*Weight with IVT and ILS 12610 kg.

Overview

	2019 - 8R SeriesRow-Crop tractor
2019 -
8R Series
Row-Crop tractor

Production
Manufacturer	John Deere
Row-Crop tractor
Built in Waterloo, Iowa, USA
Original price was $408,496 in 2020

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

John Deere 8R 340 Engine
John Deere 9.0L 6-cyl diesel
Fuel tank	192 gal 726.7 L
Exhaust fluid (DEF)	9.8 gal 37.1 L
Engine details ...

John Deere 8R 340 Power
Engine (gross)	340 hp 253.5 kW
Engine (max)	374 hp 278.9 kW
PTO (claimed)	284 hp 211.8 kW
Drawbar (tested)	267.86 hp 199.7 kW
PTO (tested)	346.20 hp 258.2 kW
Performance test details ...

Mechanical
Four-wheel drive
Final drives	inboard planetary
Power steering
Cab standard with air-conditioning.

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

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

Power Take-off (PTO)
Rear PTO	independent
Clutch	electro-hydraulic wet disc
Rear PTO Type	1000 (1.75)
Engine RPM	1000@2003
	1000E@1596
Front PTO	independent OptOptional
Clutch	electro-hydraulic wet disc
Front PTO Type	1000 (1.375)
Engine RPM	1000@2000

Dimensions & Tires
Wheelbase	120.1 inches 305 cm
Weight	27800 to 28530 pounds
Front tire	420/85R34
Rear tire	480/80R50
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	250
	330 OptOptional
Batteries	2
Battery CCA	925
Battery volts	12
Battery Group	31

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

Engine

Engine Detail — 549 ci / 9.0 L Diesel

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

Transmission

Transmission options
23-speed full power shift
infinitely variable transmission

Transmission — e23

Transmission	e23
Type	full power shift
Gears	23 forward and 11 reverse
With Group 48 tires.

Transmission — infinite forward and reverse infinitely variable transmission

Type	infinitely variable transmission
Gears	infinite forward and reverse

Dimensions

John Deere 8R 340 Tires
Standard tires (ag)	Front: 420/85R34. Rear: 480/80R50

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

Tests

OCED Tractor Test 2222
Diesel e23 4WD September 17 - October 1, 2020 Link: OCED Tractor Test 2222 file
PTO performance
Max power	346.20 hp 258.2 kW
Fuel use	17.1 gal/hour 64.7 l/hour
Power at rated engine speed	303.33 hp 226.2 kW
Fuel use	15.8 gal/hour 59.8 l/hour
Power at rated PTO speed	334.34 hp 249.3 kW
Fuel use	16.9 gal/hour 64.0 l/hour
Drawbar performance
Max power	267.86 hp 199.7 kW
Fuel use	15.7 gal/hour 59.4 l/hour
Gear 10 used for power test.
Max pull	26822 lbs 12166 kg
Gear 7 used for pull test.