The John Deere 8400R is a high-performance row-crop tractor designed for demanding agricultural tasks. Built from 2016 to 2019, it features a powerful 9.0L six-cylinder turbocharged diesel engine that delivers up to 450 horsepower. Paired with advanced transmissions like the e23 PowerShift or optional IVT, it ensures seamless operation across various field conditions. With a spacious CommandView III Cab, advanced hydraulics, and a versatile hitch system, the 8400R combines power, precision, and operator comfort. Ideal for large-scale farming, it excels in heavy tillage, planting, and hauling while maintaining reliability and ease of use in even the toughest environments.
Overview
Model
John Deere 8400R
Years
2016 – 2019
Series
8R Series Row-Crop Tractor
Manufacturer
John Deere
Factory
Waterloo, Iowa, USA
Engine
Model
John Deere PSS 9.0L turbocharged diesel
Type
6-cylinder, liquid-cooled, high-pressure common rail
Displacement
549 ci (9.0 L)
Rated Power
400 hp (298.3 kW) at 2100 RPM
Maximum Power
450 hp (335.6 kW)
Torque
1250 lb-ft (1694 Nm) at 1600 RPM
Fuel System
High-pressure common rail
Emission Standard
Final Tier IV / Stage IV
Fuel Capacity
166 gallons (628 liters)
Coolant Capacity
38 qts (36 liters)
Transmission
Type
John Deere e23 PowerShift
Gears
23 forward and 11 reverse
Clutch
Wet multi-disc
Optional Transmission
Infinitely Variable Transmission (IVT)
Speed Range
0 to 26 mph (0 to 42 km/h)
Power
Engine Power
400 hp (298.3 kW)
Maximum Power
450 hp (335.6 kW)
PTO Power (Claimed)
320 hp (238.6 kW)
Mechanical
Chassis
4×4 MFWD 4WD
Steering
Hydrostatic power
Differential Lock
Electro-hydraulic
Brakes
Hydraulic wet disc
Operator Station
CommandView III Cab with touchscreen display
Capacity
Fuel Capacity
166 gallons (628 liters)
Hydraulic System Capacity
17 gallons (64 liters)
Hydraulics
Type
Closed center, pressure-flow compensated (PFC)
Pump Flow
60 gpm (227 lpm)
Valves
4 to 6 SCV options
Hydraulic Pressure
2900 psi (200 bar)
Tractor Hitch
Rear Type
III/III-N
Control
Electronic draft sensing
Rear Lift Capacity
12,000 lbs (5443 kg)
Front Hitch
Optional
Front Lift Capacity
5,800 lbs (2631 kg)
Power Take-off (PTO)
Rear PTO
Independent
Rear PTO Speeds
540/1000 RPM
Clutch
Electro-hydraulic wet disc
Dimensions
Wheelbase
118.9 inches (302 cm)
Length
237 inches (602 cm)
Width
96 inches (243 cm)
Height
134.8 inches (342 cm)
Ground Clearance
22 inches (56 cm)
Weight
24,700 lbs (11,204 kg)
Tires
Standard Tires (Ag)
Front
Optional Tracks
18 to 30-inch widths
Electrical
Ground
Negative
Battery Volts
12
Charging System
Alternator
Charging Capacity
200 amps
John Deere 8400R Overview
The John Deere 8400R stands as a pinnacle of modern agricultural engineering, crafted to deliver unmatched performance, efficiency, and operator comfort for large-scale farming operations. Introduced as part of the prestigious 8R Series and produced from 2016 to 2019, this row-crop tractor boasts a 9.0L six-cylinder turbocharged diesel engine, delivering an impressive 400 horsepower at 2,100 RPM and peaking at 450 horsepower. This powerhouse engine, coupled with John Deere’s e23 PowerShift transmission or the optional Infinitely Variable Transmission (IVT), ensures that the 8400R excels in demanding tasks like deep tillage, heavy hauling, and high-speed planting with seamless control and efficiency.
Designed with the modern operator in mind, the 8400R features the CommandView III Cab, which redefines comfort and productivity. The cab is equipped with an intuitive touchscreen display, ergonomic controls, and advanced guidance systems, allowing operators to maximize efficiency even during long workdays. Visibility from the cab is exceptional, ensuring precise implement control and reducing fatigue. The robust 4×4 MFWD system, combined with large standard tires or optional track configurations, offers unmatched traction and stability across varying terrains, whether in wet fields or dry, compacted soils.
The 8400R’s hydraulic capabilities set it apart from many of its competitors. With a closed-center, pressure-flow compensated hydraulic system capable of delivering up to 60 gallons per minute, this tractor is designed to power even the most demanding implements. The rear Category III/III-N hitch has a lift capacity exceeding 12,000 pounds, making it ideal for handling large planters and heavy-duty equipment. The optional front hitch further extends the tractor’s versatility, allowing simultaneous operation of multiple implements.
Despite its many strengths, the 8400R is not without its considerations. Its advanced technology requires routine maintenance and specialized knowledge to ensure optimal performance, which can be a challenge for operators unfamiliar with high-tech machinery. Additionally, its size and weight, while providing stability and power, may be cumbersome in smaller or irregularly shaped fields. These factors, combined with its premium price, position the 8400R as a top-tier option best suited for operations that demand the highest levels of productivity and efficiency.
In conclusion, the John Deere 8400R represents a powerful blend of innovation, reliability, and capability. For farmers seeking a tractor that excels in performance while offering advanced features tailored to modern agriculture, the 8400R is a machine that continues to set standards in the field. Its legacy is one of enduring quality, proving that it was engineered not just to work, but to lead.
