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John Deere 8R 340 Specs ( 2019-Present )

Name: John Deere 8R 340
Brand: John Deere

Overview

The John Deere 8R 340 is a farm tractor produced since 2019 in Waterloo, Iowa, equipped with a 9.0L 6-cylinder turbocharged diesel engine. It features a four-wheel-drive mechanical configuration and is available with either a 23-speed full power shift or an infinitely variable transmission. The tractor has a maximum listed operating weight of 28,530 lbs and a tested PTO power output of 346.20 hp.

Ideal Applications

Tested Performance Metrics: Nebraska Tractor Test data reveals a maximum tested PTO power of 346.20 hp and a maximum drawbar pull capacity of 26,822 lbs.

Hydraulic and Hitch Capacity: The tractor is equipped with a closed-center pressure flow compensated hydraulic system providing a 60 gpm pump flow and a rear lift capacity of 20,000 lbs at 24 inches.

Transmission and Drive Configuration: This model is listed with two primary transmission types: a 23-speed e23 full power shift and an infinitely variable transmission (IVT) paired with inboard planetary final drives.

Production

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

Engine

Engine type	John Deere 9.0L 6-cyl diesel
Exhaust fluid (DEF)	9.8 gal (37.1 L)
Fuel tank	192 gal (726.7 L)
Bore/Stroke	4.66x5.35 inches (118 x 136 mm)
Compression	16.0:1
Description	John Deere / turbocharged diesel / 6-cylinder / liquid-cooled
Displacement	549 ci (9.0 L)
Emissions	Tier IV
Fuel system	electronic high-pressure common rail
Maximum Power (gross)	374 hp (278.9 kW)
Rated Power (gross)	340 hp (253.5 kW)
Rated RPM	2100
Starter	electric
Starter volts	12
Drawbar (tested)	267.86 hp (199.7 kW)
Engine (gross)	340 hp (253.5 kW)
Engine (max)	374 hp (278.9 kW)
PTO (claimed)	284 hp (211.8 kW)
PTO (tested)	346.20 hp (258.2 kW)

Transmission

Gears	23 forward and 11 reverse / infinite forward and reverse
Transmission	e23
Type	full power shift / infinitely variable transmission
Description	infinitely variable transmission
Transmission type	23-speed full power shift
Description	infinitely variable transmission
Transmission type	23-speed full power shift

Mechanical

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

Hydraulics

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

Hitch

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

PTO

Clutch	electro-hydraulic wet disc / electro-hydraulic wet disc
Engine RPM	1000@2003 / 1000@2000
Front PTO	independent OptOptional
Front PTO Type	1000 (1.375)
Rear PTO	independent
Rear PTO Type	1000 (1.75)

Electrical

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

Dimensions & Tires

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

OCED Tractor Test 2222

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

References

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

Speeds

Description	With Group 48 tires.

Variants

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

Nebraska Tractor Test Results

Test #2222

Download PDF

Test Date: September 17 to October 1, 2020

Location: Nebraska Tractor Test Laboratory, University of Nebraska, Lincoln, Nebraska 68583-0832

This section is compiled from original Nebraska Tractor Test PDFs using AI-assisted extraction and human review. For full verification, download the source PDF above. Differences between reports, incomplete source data, and occasional extraction or data entry mistakes can occur.

PTO Drawbar Hydraulics Technical Sound Tires & Weight

Maximum Power & Fuel Consumption

Max Power (1 Hour)

346.20 hp

@ 1701 rpm

Rated Engine Speed

303.33 hp

N/A lb/hp·hr

Standard PTO Speed

334.34 hp

@ N/A rpm PTO

Torque Statistics

Maximum Torque	1,143 lb-ft (1,550 Nm)
Torque Rise	50.7%

PTO Power Curve

Maximum Power & Fuel Consumption Details

Condition	HP	kW	RPM	DEF gal/hr
Rated Engine Speed	303.33	226.20	2100	0.71
Maximum Power (1 Hour)	346.20	258.16	1701	0.62

Varying Power & Fuel Consumption

Click column headers to sort

Power	RPM	gal/hr	lb/hp·hr	hp·hr/gal	DEF gal/hr
303.33	2100	15.79	0.36	19.21	0.71
264.86	2157	14.10	0.37	18.78	0.60
199.62	2168	11.21	0.39	17.82	0.51
133.63	2180	8.53	0.45	15.67	0.31
67.37	2189	6.17	0.64	10.92	0.16
1.47	2201	4.49	21.34	0.33	0.17

Manual Mode 2100 Engine RPM (Unballasted)

Click column headers to sort

Gear	Power	Pull (lbs)	Speed	Slip	DEF lb/hp	inHg	Fuel Hp Hr Gal	Fuel Lb Hp Hr	Shaft Speed RPM	Temp Air F	Temp Coolant F
7th Gear	228.51	26,822	3.20	13.00	0.02	28.53	15.38	0.45	2152	65	212
8th Gear	255.46	25,163	3.81	8.50	0.02	28.53	16.26	0.43	2100	64	213
9th Gear	264.45	21,785	4.55	5.30	0.02	28.62	16.79	0.42	2100	65	213
10th Gear	267.86	18,776	5.35	4.00	0.02	28.61	17.04	0.41	2100	63	213
11th Gear	270.17	16,193	6.26	3.30	0.02	28.61	17.15	0.41	2100	63	212
12th Gear	269.00	13,878	7.27	2.90	0.02	28.61	17.00	0.41	2100	62	212
13th Gear	266.26	11,781	8.48	2.40	0.02	28.62	16.89	0.41	2099	62	212

Manual Mode 1700 Engine RPM (Unballasted)

Click column headers to sort

Gear	Power	Pull (lbs)	Speed	Slip	DEF lb/hp	inHg	Fuel Hp Hr Gal	Fuel Lb Hp Hr	Shaft Speed RPM	Temp Air F	Temp Coolant F
7th Gear	228.18	26,815	3.20	13.10	0.02	28.53	15.46	0.45	2152	65	212
8th Gear	256.47	25,506	3.78	9.10	0.02	28.53	16.19	0.43	2094	64	213
9th Gear	280.09	24,970	4.21	8.30	0.02	28.53	16.58	0.42	2003	65	214
10th Gear	294.32	23,324	4.74	6.70	0.01	28.53	17.11	0.41	1911	66	214
11th Gear	297.31	22,696	4.91	6.30	0.02	28.54	17.39	0.40	1701	66	214
12th Gear	301.07	19,448	5.81	4.40	0.02	28.61	17.70	0.39	1700	62	213
13th Gear	302.80	16,733	6.79	3.60	0.02	28.62	17.74	0.39	1700	62	213
14th Gear	303.61	14,535	7.84	3.10	0.02	28.62	17.78	0.39	1700	64	212
15th Gear	300.24	12,313	9.15	2.60	0.02	28.62	17.61	0.40	1701	64	214

Auto Mode (Unballasted)

Click column headers to sort

Setting	Power	Pull (lbs)	Speed	Slip	DEF lb/hp	inHg	Fuel Hp Hr Gal	Fuel Lb Hp Hr	Shaft Speed RPM	Temp Air F	Temp Coolant F
4.2 mph (6.8 km/h)	255.16	25,013	3.83	8.50	0.02	28.53	17.19	0.40	1570	64	212
4.8 mph (7.8 km/h)	264.26	21,940	4.52	5.60	0.02	28.62	17.78	0.39	1552	66	213
5.6 mph (9.0 km/h)	266.93	18,927	5.29	4.20	0.02	28.61	17.87	0.39	1547	62	212
6.6 mph (10.6 km/h)	270.35	16,125	6.29	3.40	0.02	28.61	17.91	0.39	1571	63	212
7.6 mph (12.2 km/h)	268.44	13,869	7.26	2.90	0.02	28.62	17.94	0.39	1573	63	212
8.8 mph (14.2 km/h)	266.17	11,757	8.49	2.40	0.02	28.61	18.12	0.39	1577	65	212

Unballasted Front Drive Engaged Fuel Consumption Characteristics

Click column headers to sort

Power	Pull (lbs)	Speed	Slip	DEF lb/hp	Air °F	Cool °F	inHg	Condition	Crank Shaft RPM	Fuel Hp Hr Gal	Fuel Lb Hp Hr
267.86	18,776	5.35	4.00	0.02	63	213	28.61	Power at Rated Engine Speed—10th Gear-Manual mode	2100	17.04	0.41
208.04	14,032	5.56	3.00	0.02	67	211	28.63	75% of Pull at Rated Engine Speed—10th Gear-Manual mode	2160	16.31	0.43
141.27	9,382	5.65	2.10	0.02	68	209	28.63	50% of Pull at Rated Engine Speed—10th Gear-Manual mode	2172	14.67	0.48
208.04	13,946	5.59	3.10	0.02	68	210	28.63	75% of Pull at Reduced Engine Speed—5.8 mph (9.4 km/h) Auto mode	1393	17.99	0.39
141.08	9,364	5.65	2.10	0.01	68	208	28.63	50% of Pull at Reduced Engine Speed—5.8 mph (9.4 km/h) Auto mode	1393	17.16	0.41

Category: IVN Quick Attach: Yes

Lift Capacity

Max Force 20,254 lbs

Three Outlet Sets Combined

Sustained Pressure	N/A psi
Flow Rate (min press)	N/A gpm
Max Power	N/A hp

Single Outlet Set

Sustained Pressure	N/A psi
Flow Rate (min press)	N/A gpm
Max Power	N/A hp

Engine

Make	John Deere Diesel
Type	six cylinder vertical with turbocharger, air to air aftercooler and D.E.F (diesel exhaust fluid) exhaust treatment
Displacement	548 cu in (8984 ml)
Compression Ratio	16.0 to 1
Rated Engine Speed	2100 rpm
Air Cleaner	two paper elements and aspirator
Exhaust	DOC (diesel oxidation catalyst), SCR (selective catalyst reduction) and regenerative DPF (diesel particulate filter) integrated within a vertical muffler
Crankshaft	lengthwise

Chassis

Type	front wheel assist with duals
Steering	hydrostatic
Transmission	selective gear fixed ratio with full range operator controlled power shift
Speeds	23 forward (26.10 mph max)
Wheelbase	120.10 in (3050 mm)
Front Tread Width	60.0" (1524 mm) to 88.0" (2235 mm) in
Rear Tread Width	60.0" (1524 mm) to 127.9" (3248 mm) in
Brakes	wet multiple disc hydraulically operated by two foot pedals that can be locked together
Hydraulic Control	direct engine drive
Unladen Tractor Mass	28,530 lbs ( 12,941 kg )

Consumables

Fuel	No. 2 Diesel
DEF Fluid	32% aqueous urea solution

Tires & Tracks

Rear Tires	Four 480/80R50;***;11(75)
Front Tires	Two 420/85R34;***;26(180)
Height of Drawbar	21.00 in (535 mm)

Static Weight

Rear	16,850 lbs
Front	11,855 lbs
Total	28,705 lbs

John Deere 8R 340 Specs ( 2019-Present )

Overview

Ideal Applications

Production

Engine

Transmission

Mechanical

Hydraulics

Hitch

PTO

Electrical

Dimensions & Tires

OCED Tractor Test 2222

References

Speeds

Variants

Nebraska Tractor Test Results

PTO Performance

Maximum Power & Fuel Consumption

Torque Statistics

PTO Power Curve

Maximum Power & Fuel Consumption Details

Varying Power & Fuel Consumption

Drawbar Performance

Manual Mode 2100 Engine RPM (Unballasted)

Manual Mode 1700 Engine RPM (Unballasted)

Auto Mode (Unballasted)

Unballasted Front Drive Engaged Fuel Consumption Characteristics

Hydraulic Performance

Lift Capacity

Three Outlet Sets Combined

Single Outlet Set

Technical Specifications

Engine

Chassis

Consumables

Sound Levels

Tires & Weight

Tires & Tracks

Static Weight

Test Remarks