John Deere 9R 390
Power
384 hp
Production
2021+
Engine
Turbocharged aftercooled diesel, 6-cylinder 24-valve
Transmission
E18
Weight
62000 lbs [28123 kg]
Drive
4WD
From the same series:
Introduction
John Deere 9R 390 Articulated 4WD Tractor
The John Deere 9R 390 is a high-capacity, articulated four-wheel drive tractor manufactured in Waterloo, Iowa, USA, as part of the 9R series. Designed for large-scale agricultural operations, this machine focuses on high-torque output and traction for heavy-duty field work.
Engine and Performance
The tractor is powered by a 13.6-liter, 6-cylinder, 24-valve turbocharged and aftercooled diesel engine. It utilizes an electronic high-pressure common rail fuel system to optimize combustion. The engine provides a rated power of 384.9 hp (287.0 kW) and a maximum gross power of 423.8 hp (316.0 kW), with a peak torque of 1328 lb-ft (1800.8 Nm) reached at 1550 RPM, facilitating operation under significant load.
Transmission and Drivetrain
The 9R 390 is equipped with the e18 full powershift transmission, offering 18 forward and 6 reverse gears. The drivetrain features an articulated steering system and inboard planetary final drives. Differential locks are electro-hydraulically controlled for both the front and rear axles to ensure power delivery across varying soil conditions.
Hydraulics and Hitch
The hydraulic system is a closed-center, pressure and flow-compensated design. It provides a standard pump flow of 55 gpm (208.2 lpm) at 2900 psi (200.0 bar), with optional configurations reaching up to 110 gpm (416.4 lpm). The rear hitch is a category IVN/IV type, capable of a lift capacity of 15,000 lbs (6,804 kg) at 24 inches behind the lift point.
Dimensions and Operator Environment
The tractor features a wheelbase of 154 inches (391 cm) and a total operating weight reaching up to 62,000 lbs (28,123 kg). The operator platform consists of a standard cab equipped with air-conditioning to maintain operational comfort during extended periods of use. The machine is fitted with 710/70R42 agricultural tires on both the front and rear axles.
Conclusion
The John Deere 9R 390 is engineered for intensive agricultural tasks such as deep tillage, heavy hauling, and large-scale seeding. Its combination of high-torque engine performance, versatile powershift transmission, and robust hydraulic capacity makes it suitable for professional farming environments requiring high productivity and mechanical reliability.
Production Information of John Deere, 9R 390
- Original price was $520,995 in 2023
- Four-wheel Drive (4WD) tractor
- Built in Waterloo, Iowa, USA
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, 9R 390
| Max weight | 62000 lbs [28123 kg] |
|---|---|
| Wheelbase | 154 inches [391 cm] |
| Height (exhaust) | 147.1 inches [373 cm] |
| Height (cab) | 147.3 inches [374 cm] |
| Length | 312.8 inches [794 cm] |
| Front axle | 4.72 by 120 inches [119 by 3048 mm] |
| Shipping weight | 45980 lbs [20856 kg] |
| Width | 173.3 inches [440 cm] |
| Rear axle | 4.72 by 120 inches [119 by 3048 mm] |
Minimum width over tires.
| Ag front | 710/70R42 |
|---|---|
| Ag rear | 710/70R42 |
Engine Specifications of John Deere, 9R 390
- Liquid-cooled inline
- Turbocharged aftercooled diesel
- 6-cylinder 24-valve
| Starter | Electric |
|---|---|
| Torque RPM | 1550 |
| Coolant capacity | 59.7 qts [56.5 L] |
| Rated Power (gross) | 384.9 hp [287.0 kW] |
| Starter volts | 12 |
| Fuel system | Electronic high-pressure common rail |
| Air cleaner | Dry |
| Maximum Power (gross) | 423.8 hp [316.0 kW] |
| Displacement | 826.9 ci [13.6 L] |
| Emissions | Tier IV |
| Bore/Stroke | 5.20x6.50 inches [132 x 165 mm] |
| Torque | 1328 lb-ft [1800.8 Nm] |
| Oil capacity | 67.6 qts [64.0 L] |
| Oil change | 500 h |
| Rated RPM | 2100 |
| Compression | 15.9:1 |
Transmission Information of John Deere, 9R 390
Transmission variants 1
| Transmission | E18 |
|---|---|
| Type | Full power shift |
| Gears | 18 forward and 6 reverse |
Mechanical Specs of John Deere, 9R 390
- Four-wheel drive
- Hydraulic wet disc brakes
- Articulated power steering
- Cab standard with air-conditioning.
| Final drives | Inboard planetary |
|---|---|
| Differential lock | Electro-hydraulic front and rear |
Power Information of John Deere, 9R 390
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 1000 (1.75) |
Hydraulics Specifications of John Deere, 9R 390
| Type | Closed center pressure/flow compensated |
|---|---|
| Type(optional) | 110 gpm [416.4 lpm] |
| Pump flow | 55 gpm [208.2 lpm] |
| Pressure | 2900 psi [200.0 bar] |
| SCV flow | 35 gpm [132.5 lpm] |
| Valves | 4 to 8 |
Optional, 3/4 inch coupler
Three-Point Hitch of John Deere, 9R 390
| Rear Type | IVN/IV |
|---|---|
| Rear lift (at 24"/610mm) | 15000 lbs [6804 kg] |
| Rear lift (at 24"/610mm)(optional) | 20000 lbs [9072 kg] |
Electrical System of John Deere, 9R 390
| Ground | Negative |
|---|---|
| Batteries | 3 |
| Batteries(optional) | 330 |
| Charging system | Alternator |
| Battery volts | 12 |
| Charging amps | 250 |
Where it sits
With 384 HP, the John Deere 9R 390 sits between 9370R (370 HP) and 9R 440 (434 HP) in John Deere's range. Its power puts it in the 91th percentile of 2020s models in our database (1464 machines).
Frequently asked questions
How much horsepower does the John Deere 9R 390 have?
The John Deere 9R 390 delivers 384 HP.
What years was the John Deere 9R 390 produced?
The John Deere 9R 390 was produced in 2021+.
What engine does the John Deere 9R 390 have?
The John Deere 9R 390 is powered by a Turbocharged aftercooled diesel, 6-cylinder 24-valve engine.
What transmission does the John Deere 9R 390 use?
The John Deere 9R 390 uses a E18 transmission.
How much does the John Deere 9R 390 weigh?
The John Deere 9R 390 weighs 62000 lbs [28123 kg].
Is the John Deere 9R 390 4WD?
The John Deere 9R 390 is available in 4WD.