John Deere

John Deere 8400T

The John Deere 8400T is an agricultural crawler tractor produced from 1997 to 1999 as part of the 8000/8000T Series. It features a John Deere 8.1L 6-cylinder turbocharged intercooled engine delivering an estimated 222.2 hp, with a full powershift 16-speed transmission. The tractor is built in Waterloo, Iowa, USA, and includes a CommandView cab, hydrostatic power steering, and hydraulic wet disc brakes. It has a fuel capacity of 130 gallons and a hydraulic system capacity of 65 gallons. The 8400T offers multiple track width options and a rear hitch with a lift capacity of 15,650 lbs. It is designed for heavy-duty agricultural tasks requiring crawler drive and high power output.
Power250 hp[P]
Founded1995 - 1999
Model8400T

Technical Specifications

Detailed specifications and technical data for John Deere 8400T

Power
PTO (tested)255.16 hp (190.3 kW)
PTO (claimed)225 hp (167.8 kW)
Drawbar (tested)195.75 hp (146.0 kW)
Engine
ModelJohn Deere 8.1L 6-cyl
Detailsturbocharged intercooled, 6-cylinder, liquid-cooled
Rated RPM2200
Air cleanertwo paper elements
Bore/Stroke4.56x5.06 inches (116 x 129 mm)
Compression16.5:1
Displacement496 ci (8.1 L)
Oil capacity22.7 qts (21.5 L)
Starter volts12
Coolant capacity35.9 qts (34.0 L)
Tracks
Width options16 inches (40 cm), 24 inches (60 cm), 30 inches (76 cm)
Capacity
Fuel130 gal (492.1 L)
Hydraulic system65 gal (246.0 L)
Variants
8400wheeled tractor
8400Tcrawler tractor
Dimensions
Width103.7 inches (minimum) (263 cm)
Length207 inches (525 cm)
Wheelbase89 inches (226 cm)
Height (cab)122.9 inches (312 cm)
Ballasted weight27,330 lbs (12396 kg)
Operating weight25,000 lbs (11340 kg)
Length with front weights219.6 inches (557 cm)
Ground clearance (drawbar)17.7 inches (44 cm)
Ground clearance (rear axle)21.7 inches (55 cm)
Electrical
Groundnegative
Batteries2
Battery volts12
Charging amps140
Charging systemalternator
Hydraulics
Typepressure/flow compensated (PFC)
Valves3 to 5
Capacity65 gal (246.0 L)
Pressure2900 psi (200.0 bar)
Pump flow30 gpm (113.6 lpm), 38 gpm (optional) (143.8 lpm)
Mechanical
CabCommandView Cab standard
Drivecrawler
BrakesHydraulic wet disc brakes
Steeringhydrostatic power
Production
TypeAgricultural Crawler tractor
Series8000/8000T Series
Built inWaterloo, Iowa, USA
Years produced1997 - 1999
Transmission
Typefull powershift
Gears16 forward and 4 reverse
Oil capacity260 qts (246.1 L)
Tractor hitch
Rear TypeIII/IIIN
Rear lift15,650 lbs (7098 kg)
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type1000