Four-Wheel DrivePerformance profile
John Deere 9R 390
The John Deere 9R 390 is a powerful tractor built for big farms. It has a strong diesel engine made by John Deere. This engine has 6 cylinders and can produce 370.61 hp. The tractor uses a full power shift transmission with 18 forward gears and 6 reverse gears, giving the driver lots of options for different tasks. This tractor is big and heavy, weighing 46,800 lb. It's 312.8 inches long and 147.3 inches tall. The 9R 390 has a closed center hydraulic system and a comfortable cab for the driver. It uses big agricultural tires in the front and back. The tractor can pull very heavy equipment with its Category 4N hitch. It also has wet disc brakes and an electric starter. Some special features of the John Deere 9R 390 include its high torque of 1184 lb.-ft. at 1499 rpm and a combined hydraulic flow of 116.4 GPM. The tractor uses John Deere Hy-Gard fluid for its transmission, hydraulic system, and final drive. With its strong engine and useful features, this tractor is made to handle tough jobs on large farms.
ManufacturerJohn DeerePower370.61 hpEngine6-cylTransFull power shift
Quick specs
- Category
- Four-Wheel Drive
- Engine Power Output
- 371hp
- Operating Weight
- 46,800 lb
- Transmission
- Full power shift
At a glance
How the 9R 390 compares
vs. Four-Wheel Drive medianDistribution
Engine Power (hp)
Across all Four-Wheel Drive tractors
370.61 hp · 47th
This model
84
Median 375 hp
549
This modelFour-Wheel Drive tractorsMediann = 162
The 9R 390 ranks at the 47th percentile for engine power among recorded four-wheel drive tractors.
Overview
About the John Deere 9R 390
The John Deere 9R 390 is a powerful tractor built for big farms. It has a strong diesel engine made by John Deere. This engine has 6 cylinders and can produce 370.61 hp. The tractor uses a full power shift transmission with 18 forward gears and 6 reverse gears, giving the driver lots of options for different tasks. This tractor is big and heavy, weighing 46,800 lb. It's 312.8 inches long and 147.3 inches tall. The 9R 390 has a closed center hydraulic system and a comfortable cab for the driver. It uses big agricultural tires in the front and back. The tractor can pull very heavy equipment with its Category 4N hitch. It also has wet disc brakes and an electric starter. Some special features of the John Deere 9R 390 include its high torque of 1184 lb.-ft. at 1499 rpm and a combined hydraulic flow of 116.4 GPM. The tractor uses John Deere Hy-Gard fluid for its transmission, hydraulic system, and final drive. With its strong engine and useful features, this tractor is made to handle tough jobs on large farms.
Full specifications
Every recorded spec
General
| Manufacturer | John Deere |
|---|---|
| Model | 9R 390 |
| Category | Four-Wheel Drive tractor |
| Operating weight | 46,800lb |
Engine
| Make | John Deere |
|---|---|
| Model | JD14 |
| Power | 370.61hp |
| Cylinders | 6 |
| Displacement | 826ci |
| Bore | 5.2in |
| Stroke | 6.5in |
Transmission
| Type | Full power shift |
|---|---|
| Forward gears | 18 |
| Reverse gears | 6 |
Chassis & drive
| Cab | Cab |
|---|
Hydraulics
| Type | Closed center pressure/flow compensated |
|---|
Dimensions
| Length | 312.8in |
|---|---|
| Height | 147.3in |
| Operating weight | 46,800lb |
Capacities
| Cooling system | 14.93gal |
|---|
Head to head
9R 390 vs. Four-Wheel Drive median
How the John Deere 9R 390 compares to other Four-Wheel Drive tractors
| Spec | This model | Four-Wheel Drive median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 371 hp | 375 hp | -1% | 47th |
| Engine Displacement | 826 ci | 826 ci | at median | 50th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 18 | 16 | +13% | 86th |
| Operating Weight | 46,800 lb | 37,428 lb | +25% | 83rd |
| Length | 313 in | 275 in | +14% | 83rd |
| Height | 147 in | 143 in | +3% | 66th |
Medians and percentiles are computed from the four-wheel drive tractors in our database with a recorded value for each spec (sample sizes 98–162 models).
Compare to tractors with similar specs
Commonly compared John Deere tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| John Deere 9360R | 360 hp | 37,530 lb | 2012–2014 | Compare → |
| John Deere 9300 | 358.32 hp | 37,135 lb | 1997–2001 | Compare → |
| John Deere 9R 440 | 390 hp | 46,800 lb | — | Compare → |
| John Deere 8870 | 350 hp | 35,130 lb | 1993–1996 | Compare → |
| John Deere 9420 | 425 hp | 34,877 lb | 2002–2007 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Big Bud 370 | 370 hp | 41,200 lb | — | Compare → |
| CaseIH 9180 | 375 hp | 28,000 lb | — | Compare → |
| CaseIH 9280 | 375 hp | 29,000 lb | — | Compare → |
| Buhler Versatile 450 | 364.92 hp | 45,150 lb | — | Compare → |
| AGCO AGCOSTAR 8360 | 360 hp | — | 1995–2001 | Compare → |
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Gallery
John Deere 9R 390 photos
FAQ
Common questions
How much horsepower does the John Deere 9R 390 have?
The John Deere 9R 390 produces 370.61 hp from its 6-cylinder engine. Engine displacement is 826 ci.
What hydraulics does the John Deere 9R 390 have?
The John Deere 9R 390 uses a Closed center pressure/flow compensated hydraulic system.
What three-point hitch category does the John Deere 9R 390 use?
The John Deere 9R 390 has a Category Category 4N three-point hitch.
How much does the John Deere 9R 390 weigh?
The John Deere 9R 390 weighs about 46,800 lb in operating condition.
What transmission is in the John Deere 9R 390?
Transmission on the John Deere 9R 390 is Full power shift, with 18 forward speeds.
What maintenance does the John Deere 9R 390 require?
Like any tractor, the John Deere 9R 390 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.