
John Deere 8400R
Power
400 hp
Production
2016-2019
Engine
Turbocharged aftercooled diesel, 6-cylinder
Transmission
John Deere e23
Drive
4WD
From the same series:
Introduction
John Deere 8400R: Technical Specifications and Overview
The John Deere 8400R is a high-horsepower row-crop tractor produced between 2016 and 2019 at the Waterloo, Iowa, facility. It is designed for large-scale agricultural operations requiring significant traction and advanced integrated technology.
Engine and Performance
The tractor is powered by the John Deere PowerTech PSS engine, a 9.0-liter, 6-cylinder turbocharged and aftercooled diesel unit. It produces a rated gross power of 400 hp (298.3 kW) at 2100 RPM. The engine utilizes an electronic high-pressure common rail fuel system and Selective Catalyst Reduction (SCR) to meet Tier 4 emission standards.
Transmission and Drivetrain
The 8400R features the John Deere e23 full powershift transmission, providing 23 forward and 11 reverse gears to optimize power delivery across various field tasks. It is equipped with a four-wheel-drive system, inboard planetary final drives, and hydraulic rear differential locks as standard.
Hydraulics and Hitch
The hydraulic system is a closed-center, load-sensing, pressure-flow compensated type. It features a standard pump flow of 60 gpm (227.1 lpm), with an optional 85 gpm (321.7 lpm) configuration. The rear hitch is a Category IVN/III type with a lift capacity of 15,000 lbs (6,804 kg). An optional front hitch with a 11,450 lbs (5,193 kg) capacity is also available.
Operator Environment
The machine comes standard with the CommandView III cab, which includes air conditioning. The tractor is factory-prepared for precision agriculture technologies, including AutoTrac guidance, JDLink telematics, and ServiceADVISOR Remote diagnostics. Steering is managed via a hydrostatic power system, with an optional Active Command steering upgrade.
Conclusion
The John Deere 8400R is engineered for heavy-duty row-crop applications. Its combination of a high-output 400 hp engine, electronic power management, and advanced hydraulic capacity makes it a suitable solution for demanding professional farming operations.
Production Information of John Deere, 8400R
- Row-Crop tractor
- Built in Waterloo, Iowa, USA
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, 8400R
| Wheelbase | 120.1 inches [305 cm] |
|---|---|
| Front tread | 62 to 88 inches [157 to 223 cm] |
| Width | 137.3 inches (warning lamps) [348 cm] |
| Width(optional) | 19.7 inches [50 cm] |
| Clearance (rear axle) | 24.9 inches [63 cm] |
| Front axle | ILS 42 KPH |
| Front axle | 1500 MFWD |
| Front axle(optional) | 175.1 inches (triples warning lamps) [444 cm] |
| Length | 245 inches [622 cm] |
| Clearance (front axle) | 23.1 inches [58 cm] |
| Clearance (front axle)(optional) | 259.5 inches (with front weights) [659 cm] |
| Height (cab) | 129.3 inches [328 cm] |
| Rear axle | 4.724 by 118.5 inches [119 by 3009 mm] |
| Rear axle | 4.724 by 96 inches [119 by 2438 mm] |
| Front axle | ILS 50 KPH |
ILS axle Group 42 tires
With Group 47 tires
1500 axle Group 42 tires
| Standard tires (ag) | Front: 380/80R38. Rear: 480/80R50 |
|---|
Engine Specifications of John Deere, 8400R
- John Deere PowerTech PSS
- Liquid-cooled
- 6-cylinder
- Turbocharged aftercooled diesel
| Emission control | Selective catalyst reduction |
|---|---|
| Compression | 16:1 |
| Displacement | 548 ci [9.0 L] |
| Bore/Stroke | 4.66x5.35 inches [118 x 136 mm] |
| Emissions | Tier 4 |
| Fuel system | Electronic high-pressure common rail |
| Rated Power (gross) | 400 hp [298.3 kW] |
| Starter volts | 12 |
| Starter | Electric |
| Rated RPM | 2100 |
Transmission Information of John Deere, 8400R
Transmission variants 1
| Transmission | John Deere e23 |
|---|---|
| Type | Full power shift |
| Gears | 23 forward and 11 reverse |
Mechanical Specs of John Deere, 8400R
- Hydraulic wet disc brakes
- Four-wheel drive
- CommandView III cab standard with air-conditioning. AutoTrac ready; JDLink; ServiceADVISOR Remote
| Steering | Hydrostatic power |
|---|---|
| Steering(optional) | Hydraulic front with 1500 and ILS axles |
| Final drives | Inboard planetary |
| Trailer brakes | Hydraulic (optional) |
| Trailer brakes(optional) | Active Command steering optional |
| Differential lock | Hydraulic rear standard |
| Differential lock(optional) | Dual line air (optional) |
Power Information of John Deere, 8400R
| Rear PTO | Independent |
|---|---|
| Front PTO | Optional independent |
| Front PTO(optional) | 540/1000 (1.375 optional) |
| Rear PTO Type | 1000 (1.75) |
| Front PTO Type | 1000 (1.75) |
| Front PTO Type(optional) | 1000/1000E (1.75 optional) |
Hydraulics Specifications of John Deere, 8400R
| Type | Closed-center load sensing pressure flow compensated |
|---|---|
| Front valves | 0 to 2 |
| Rear valves | 4 to 6 |
| Capacity | 10.6 gal [40.1 L] |
| SCV flow | 35 gpm [132.5 lpm] |
| Pump flow | 60 gpm [227.1 lpm] |
| Pump flow(optional) | 23.8 gal (optional) [90.1 L] |
| Pump flow(optional) | 42 gpm (optional) [159.0 lpm] |
Three-Point Hitch of John Deere, 8400R
| Drawbar | Cat 4 |
|---|---|
| Rear Type | IVN/III |
| Front Hitch | Optional |
| Rear Arms | Hydraulic center link optional |
| Rear lift | 15000 lbs [6804 kg] |
| Rear lift(optional) | Cat 4 Heavy-Duty optional |
| Front lift (at ends) | 11450 lbs [5193 kg] |
| Front lift (at ends)(optional) | 20000 lbs (optional) [9072 kg] |
Electrical System of John Deere, 8400R
| Ground | Negative |
|---|---|
| Battery CCA | 925 (each) |
| Batteries | 2 |
| Charging system | Alternator |
| Battery volts | 12 |
| Charging amps | 240 |
Where it sits
With 400 HP, the John Deere 8400R sits between 8370R (370 HP) and 8R 410 (410 HP) in John Deere's range. Its power puts it in the 95th percentile of 2010s models in our database (2476 machines).
Frequently asked questions
How much horsepower does the John Deere 8400R have?
The John Deere 8400R delivers 400 HP.
What years was the John Deere 8400R produced?
The John Deere 8400R was produced in 2016-2019.
What engine does the John Deere 8400R have?
The John Deere 8400R is powered by a Turbocharged aftercooled diesel, 6-cylinder engine.
What transmission does the John Deere 8400R use?
The John Deere 8400R uses a John Deere e23 transmission.
Is the John Deere 8400R 4WD?
The John Deere 8400R is available in 4WD.