Manufacturer |
John Deere |
Price |
- |
Model |
8400T |
Equipment Type |
Agricultural Crawler Tractors |
Factory |
Waterloo, Iowa, USA |
ENGINE DETAIL
The John Deere 8400T is powered by a robust turbocharged intercooled 6-cylinder engine with a displacement of 8.1L, offering a high compression ratio of 16.5:1, which enhances efficiency and power output at a rated RPM of 2200. With a liquid cooling system and appropriate oil and coolant capacities (22.7qts and 35.9qts, respectively), it ensures reliable thermal management for extended operational periods. Challenges may include maintenance of the dual air cleaner system for optimal airflow, and performance can be maximized in applications requiring high torque, such as heavy tillage or towing in agricultural settings.
Description |
John Deere turbocharged intercooled 6-cylinder liquid-cooled |
Displacement |
496ci / 8.1L |
Bore/Stroke |
4.56x5.06inches / 116x 129mm |
Air cleaner |
two paper elements |
Compression |
16.5:1 |
Rated RPM |
2200 |
Starter volts |
12 |
Oil capacity |
22.7qts / 21.5L |
Coolant capacity |
35.9qts / 34.0L |
JOHN DEERE 8400T ENGINE
The John Deere 8400T features an 8.1L 6-cylinder engine, delivering robust torque for demanding agricultural tasks. Its tracked design enhances traction and minimizes soil compaction, making it ideal for wetter terrains. However, servicing can be more complex due to the undercarriage, which may challenge maintenance efficiency over time.
Description |
John Deere 8.1L 6-cyl |
TRANSMISSION
The John Deere 8400T features a full powershift transmission with 16 forward and 4 reverse gears, providing smooth and efficient power delivery for various field applications. With a substantial oil capacity of 260 quarts (246.1 liters), it ensures optimal lubrication and prolonged performance, particularly in heavy-duty operations. However, the complexity of the powershift system may require specialized training for operators to maximize its capabilities and manage maintenance effectively.
Types |
full powershift |
Gears |
16 forward and 4 reverse |
Oil capacity |
260qts / 246.1L |
JOHN DEERE 8400T TRANSMISSION
The John Deere 8400T tractor, equipped with a 16-speed full powershift transmission, provides seamless gear transitions that enhance efficiency in various field applications. This transmission allows for optimal torque management and improved fuel efficiency, making it ideal for heavy-duty tasks such as tillage or planting. However, operators may face a learning curve with the complexity of the powershift system, potentially impacting productivity during initial use.
Description |
16-speed full powershift |
MECHANICAL
The John Deere 8400T features a crawler drive system, providing superior traction and stability on uneven terrain. Its hydrostatic power steering enhances maneuverability, making it suitable for precision farming applications. The hydraulic wet disc brakes ensure reliable stopping power, crucial for safety in demanding farming scenarios.
Drive |
crawler |
Steering |
hydrostatic power |
Description |
Hydraulic wet disc brakes CommandView Cab standard |
CAPACITY
Fuel |
130gal / 492.1L |
Hydraulic system |
65gal / 246.0L |
HYDRAULICS
Type |
pressure flow compensated (PFC) |
Capacity |
65gal / 246.0L |
Pressure |
2900psi / 200.0bar |
Valves |
3 to 5 |
Pump flow |
30gpm / 113.6lpm 38gpm (optional) / 143.8lpm |
TRACTOR HITCH
Rear Typ |
III/IIIN |
Rear lift |
15,650lbs / 7098kg |
POWER TAKE-OFF (PTO)
Rear PTO |
independent |
Rear RPM |
1000 |
JOHN DEERE 8400T TRACKS
DIMENSIONS & TRACKS
Wheelbase |
89inches / 226cm |
Weight |
25,000lbs / 11340kg |
Description |
16-inch tracks |
ELECTRICAL
Ground |
negative |
Charging system |
alternator |
Charging amps |
140 |
Batteries |
2 |
Battery volts |
12 |