Row CropPerformance profile
John Deere 8R 340
The John Deere 8R 340 is a powerful row crop tractor built for serious farming. It has a strong 6-cylinder diesel engine that makes 346.2 hp. This engine is very big compared to most tractors, with 548 cubic inches of space inside. The tractor is heavy too, weighing 28,705 pounds, which is more than most other tractors. This 8R 340 has four-wheel drive and a special transmission with 23 forward gears and 11 reverse gears. It can pull heavy loads with ease. The tractor has a comfortable cab for the driver and uses a hydrostatic steering system that's easy to control. It also has a good hydraulic system that can lift heavy equipment. The tractor is quite large, measuring 252.8 inches long and 137.8 inches tall. John Deere is known for making quality farm equipment, and this tractor shows why farmers trust the brand.
ManufacturerJohn DeerePower346.2 hpEngine6-cylTranse23 Transmission, selective gear fixed ratio with full range operator controlled power shift
Quick specs
- Category
- Row Crop
- Engine Power Output
- 346hp
- Operating Weight
- 28,705 lb
- Transmission
- e23 Transmission, selective gear fixed ratio with full range operator controlled power shift
At a glance
How the 8R 340 compares
vs. Row Crop medianDistribution
Engine Power (hp)
Across all Row Crop tractors
346.2 hp · 96th
This model
12
Median 138 hp
283
346.2
This modelRow Crop tractorsMediann = 1,206
The 8R 340 ranks at the 96th percentile for engine power among recorded row crop tractors.
Overview
About the John Deere 8R 340
The John Deere 8R 340 is a powerful row crop tractor built for serious farming. It has a strong 6-cylinder diesel engine that makes 346.2 hp. This engine is very big compared to most tractors, with 548 cubic inches of space inside. The tractor is heavy too, weighing 28,705 pounds, which is more than most other tractors. This 8R 340 has four-wheel drive and a special transmission with 23 forward gears and 11 reverse gears. It can pull heavy loads with ease. The tractor has a comfortable cab for the driver and uses a hydrostatic steering system that's easy to control. It also has a good hydraulic system that can lift heavy equipment. The tractor is quite large, measuring 252.8 inches long and 137.8 inches tall. John Deere is known for making quality farm equipment, and this tractor shows why farmers trust the brand.
Full specifications
Every recorded spec
General
| Manufacturer | John Deere |
|---|---|
| Model | 8R 340 |
| Category | Row Crop tractor |
| Type | 4x4 MFWD 4WD |
| Operating weight | 28,705lb |
Engine
| Make | John Deere |
|---|---|
| Power | 346.2hp |
| Cylinders | 6 |
| Displacement | 548ci |
| Bore | 4.66in |
| Stroke | 5.35in |
Transmission
| Type | e23 Transmission, selective gear fixed ratio with full range operator controlled power shift |
|---|---|
| Forward gears | 23 |
| Reverse gears | 11 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | MFWD 4WD |
| Steering | Hydrostatic |
| Cab | Cab |
Hydraulics
| Type | Closed-center pressure flow compensated |
|---|
Dimensions
| Length | 252.8in |
|---|---|
| Height | 137.8in |
| Operating weight | 28,705lb |
Tires
| Front | 420/85R34 |
|---|---|
| Rear | 480/80R50 |
Head to head
8R 340 vs. Row Crop median
How the John Deere 8R 340 compares to other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 346 hp | 138 hp | +151% | 96th |
| Engine Displacement | 548 ci | 391 ci | +40% | 96th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 23 | 16 | +44% | 74th |
| Operating Weight | 28,705 lb | 12,307 lb | +133% | 97th |
| Length | 253 in | 180 in | +41% | 97th |
| Height | 138 in | 114 in | +21% | 97th |
Medians and percentiles are computed from the row crop tractors in our database with a recorded value for each spec (sample sizes 1,140–1,417 models).
Compare to tractors with similar specs
Commonly compared John Deere tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| John Deere 8335R | 339.73 hp | 27,375 lb | 2011–2013 | Compare → |
| John Deere 8360R | 355.36 hp | 28,220 lb | 2011–2013 | Compare → |
| John Deere 8530 | 360 hp | 26,800 lb | 2006–2009 | Compare → |
| John Deere 7R 330 | 330 hp | 22,800 lb | — | Compare → |
| John Deere 8R 370 | 325.05 hp | 29,175 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| CaseIH Magnum 315 | 347 hp | 27,800 lb | — | Compare → |
| Big Bud HN350 | 350 hp | 40,000 lb | — | Compare → |
| Big Bud KT350 | 350 hp | 40,000 lb | — | Compare → |
| CaseIH Magnum 340 | 340 hp | 28,230 lb | — | Compare → |
| CaseIH 9170 | 335 hp | — | — | Compare → |
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Gallery
John Deere 8R 340 photos
FAQ
Common questions
How much horsepower does the John Deere 8R 340 have?
The John Deere 8R 340 produces 346.2 hp from its 6-cylinder engine. Engine displacement is 548 ci.
What three-point hitch category does the John Deere 8R 340 use?
The John Deere 8R 340 has a Category Category 3 three-point hitch.
How much does the John Deere 8R 340 weigh?
The John Deere 8R 340 weighs about 28,705 lb in operating condition.
What transmission is in the John Deere 8R 340?
Transmission on the John Deere 8R 340 is e23 Transmission, selective gear fixed ratio with full range operator controlled power shift, with 23 forward speeds.
What hydraulics does the John Deere 8R 340 have?
The John Deere 8R 340 uses a Closed-center pressure flow compensated hydraulic system.
What are the factory tire sizes for the John Deere 8R 340?
The John Deere 8R 340 comes with 420/85R34 front tires and 480/80R50 rear tires.
What maintenance does the John Deere 8R 340 require?
Like any tractor, the John Deere 8R 340 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.