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 listed engine power is Diesel (gross): 340 hp / 253.5 kW. Transmission: e23. Operating weight: 27800 lbs*Weight with IVT and ILS 12610 kg.
Engine Power
Diesel (gross): 340 hp / 253.5 kW
Fuel & Capacities
192 gal
726.7 L
Transmission
e23
Operating Weight
28530 lbs*Weight of power shift tractor with 480/80R50 duals.
12941 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. | |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 8R 340 based on its 340 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 8R 340.
Estimated Continuous Field Runtime: 10.9 hrs
Approximately 10.9 hours of continuous field operation at ~75% rated power on a full tank (192 gal / 726.8 L).
Estimated 75% Load Fuel Burn~17.7 gal/hr (66.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
John Deere 8R 340 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 8R 340.
Converted Equivalents:
Horsepower (HP)340 hp
Kilowatts (kW)253.5 kW
Metric Horsepower (PS / CV)344.7 PS
Direct Competitor Comparison
Compare John Deere 8R 340 against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 8R 340
Engine Power:Diesel (gross): 340 hp / 253.5 kW
★ Baseline Reference
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