John Deere 8400T

The John Deere 8400T is a tractor produced by John Deere. It is equipped with a 496 ci 8.1 L engine. The rated power output is 226.73 hp 169.1 kW. Transmission: 16 forward and 4 reverse. Drive type: crawler. Operating weight: 25,000 lbs 11340 kg.

Overview

	1997 - 1999 8000/8000T SeriesAgricultural Crawler tractor
1997 - 1999
8000/8000T Series
Agricultural Crawler tractor

Production
Manufacturer	John Deere
Agricultural Crawler tractor
Built in Waterloo, Iowa, USA

Variants
8400	wheeled tractor
8400T	crawler tractor

John Deere 8400T Engine
John Deere 8.1L 6-cyl
Engine details ...

John Deere 8400T Transmission
16-speed full powershift
Transmission details ...

John Deere 8400T Power
PTO (claimed)	225 hp 167.8 kW
Drawbar (tested)	195.75 hp 146.0 kW
PTO (tested)	255.16 hp 190.3 kW
Performance test details ...

Mechanical
Drive	crawler
Steering	hydrostatic power
Hydraulic wet disc brakes
CommandView Cab standard

Capacity
Fuel	130 gal 492.1 L
Hydraulic system	65 gal 246.0 L

Hydraulics
Type	pressure/flow compensated (PFC)
Capacity	65 gal 246.0 L
Pressure	2900 psi 200.0 bar
Valves	3 to 5
Pump flow	30 gpm 113.6 lpm
	38 gpm (optional) 143.8 lpm

Tractor hitch
Rear Type	III/IIIN
Rear lift	15,650 lbs 7098 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000

Dimensions & Tracks
Wheelbase	89 inches 226 cm
Weight	25,000 lbs 11340 kg
16-inch tracks
Full dimensions and tracks ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	140
Batteries	2
Battery volts	12

References
8000/8000T Series Tractors Product Information Handbook published in 1998, by John Deere

Engine

Engine Detail — 496 ci / 8.1 L

Manufacturer	John Deere
Configuration	turbocharged intercooled, 6-cylinder, liquid-cooled
Displacement	496 ci 8.1 L
Bore/Stroke	4.56x5.06 inches 116 x 129 mm
Air cleaner	two paper elements
Compression	16.5:1
Rated RPM	2200
Starter volts	12
Oil capacity	22.7 qts 21.5 L
Coolant capacity	35.9 qts 34.0 L

Transmission

Transmission — 16 forward and 4 reverse full powershift

Type	full powershift
Gears	16 forward and 4 reverse
Oil capacity	260 qts 246.1 L

Dimensions

John Deere 8400T Tracks
Width	16 inches 40 cm
Width	24 inches 60 cm
Width	30 inches 76 cm

Dimensions
Wheelbase	89 inches 226 cm
Length	207 inches 525 cm
	219.6 inches (with front weights) 557 cm
Width	103.7 inches (minimum) 263 cm
Height (cab)	122.9 inches 312 cm
Operating weight	25,000 lbs 11340 kg
Ballasted weight	27,330 lbs 12396 kg
Ground clearance	17.7 inches (drawbar) 44 cm
	21.7 inches (rear axle) 55 cm

Tests

OCED Tractor Test 1747
Diesel 16-speed crawler April 8 - May 1, 1998 Link: OCED Tractor Test 1747 file
PTO performance
Max power	255.16 hp 190.3 kW
Fuel use	13.6 gal/hour 51.5 l/hour
Power at rated engine speed	226.73 hp 169.1 kW
Fuel use	13.0 gal/hour 49.2 l/hour
Drawbar performance
Max power	195.75 hp 146.0 kW
Fuel use	13.0 gal/hour 49.2 l/hour
Gear 9 used for power test.
Max pull	27,993 lbs 12697 kg
Gear 3 used for pull test.