John Deere 8400

The John Deere 8400 is a tractor produced by John Deere. It is equipped with a 496 ci 8.1 L engine. The rated power output is 228.29 hp 170.2 kW. Transmission: John Deere PowerShift. Operating weight: 18709 to 19190 pounds.

Overview

	1995 - 1999 Model year 1995-19961997-1999 8000/8000T SeriesRow-Crop tractor
1995 - 1999
Model year 1995-19961997-1999
8000/8000T Series
Row-Crop tractor

Production
Manufacturer	John Deere
Row-Crop tractor
Built in Waterloo, Iowa, USA

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

John Deere 8400 Transmission
16-speed full power shift
Transmission details ...

John Deere 8400 Power
PTO (claimed)	225 hp 167.8 kW
Drawbar (tested)	202.28 hp 150.8 kW
PTO (tested)	252.21 hp 188.1 kW
Performance test details ...

Mechanical
Four-wheel drive
Final drives	inboard planetary
Differential lock	electro-hydraulic
Power steering
Differential hydraulic wet disc brakes
CommandView Cab standard. Row-Trak guidance optional.

Capacity
Fuel	135 gal 511.0 L
Hydraulic system	37 gal 140.0 L
Front hubs	3.2 qts (each) 3.0 L
Front diff.	11.5 qts 10.9 L

Hydraulics
Type	closed center pressure-flow compensated (PFC)
Capacity	37 gal 140.0 L
Pressure	2900 psi 200.0 bar
Valves	3 to 5
SCV flow	30 gpm 113.6 lpm

Tractor hitch
Rear Type	III/IIIN
Control	electro-hydraulic draft sensing
Rear lift	11700 lbs 5307 kg
	15650 lbsOptOptional 7098 kg

Power Take-off (PTO)
Rear PTO	independent
Clutch	hydraulic wet disc
Rear PTO Type	1000 (1.75)
	1000 (1.375)OptOptional
	540 (1.375)OptOptional
Engine RPM	540@1930
	1000@2200

Dimensions & Tires
Wheelbase	116.1 inches 294 cm
Weight	18709 to 19190 pounds
Front tire	14.9R34
Rear tire	18.4R46
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	140
Batteries	2
Battery CCA	925
Battery volts	12

References
New 8000 Series Tractors published in 1995, by John Deere
8000 Series Tractors published in 1996, by John Deere
Operator's Manual 8100, 8200, 8300 and 8400 Tractors (OMAR113872) published in 1994

Engine

Engine Detail — 496 ci / 8.1 L Diesel

Manufacturer	John Deere
Configuration	turbocharged aftercooled diesel, 6-cylinder 12-valve, liquid-cooled inline
Displacement	496 ci 8.1 L
Bore/Stroke	4.56x5.06 inches 116 x 129 mm
Compression	15.1:1
Rated RPM	2200
Starter volts	12
Oil capacity	29.6 qts 28.0 L
Coolant capacity	30 qts 28.4 L

Transmission

Transmission — John Deere PowerShift

Transmission	John Deere PowerShift
Type	full power shift
Gears	16 forward and 4 reverse
Clutch	hydraulic wet disc
Oil capacity	148 qts 140.1 L

Dimensions

John Deere 8400 Tires
Standard tires (ag)	Front: 14.9R34. Rear: 18.4R46

Dimensions
Wheelbase	116.1 inches 294 cm
Length	206.5 inches 524 cm
Height (cab)	120.2 inches 305 cm
Clearance (front axle)	23.2 inches 58 cm
Rack and pinion rear axle	4.331 by 118.5 inches 110 by 3009 mm
Front tread	60 to 88 inches 152 to 223 cm

John Deere 8400 Weight
Shipping	18709 lbs 8486 kg
Operating	19190 lbs 8704 kg
Ballasted	29562 lbs 13409 kg

Tests

Nebraska Tractor Test 1691
Diesel 16-speed 4WD April 12 - May 9, 1995 Link: Nebraska Tractor Test 1691 file
PTO performance
Max power	252.21 hp 188.1 kW
Fuel use	13.1 gal/hour 49.6 l/hour
Power at rated engine speed	228.29 hp 170.2 kW
Fuel use	12.6 gal/hour 47.7 l/hour
Drawbar performance
Max power	202.28 hp 150.8 kW
Fuel use	12.5 gal/hour 47.3 l/hour
Gear 8 used for power test.
Max pull	29,240 lbs 13263 kg
Gear 3 used for pull test.