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John Deere 8400

John Deere 8400 tractor
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The John Deere 8400 is a row-crop tractor produced from 1995 to 1999 as part of the 8000/8000T Series. It features a turbocharged aftercooled 8.1L 6-cylinder diesel engine delivering up to 252.21 hp (tested PTO). The tractor includes a 16-speed full power shift John Deere PowerShift transmission, four-wheel drive, and advanced hydraulics with a closed center pressure-flow compensated system. It offers a CommandView cab with optional Row-Trak guidance and is built in Waterloo, Iowa, USA. The 8400 is designed for heavy-duty farming tasks with a robust hitch, multiple PTO options, and substantial fuel and hydraulic capacities.
John Deere 8400tractorspecificationsenginetransmissionpowerdimensionshydraulicsfarm tractor
Power250 hp[P]
Founded1995 - 1999
Model8400

Technical Specifications

Detailed specifications and technical data for John Deere 8400

Power

PTO (tested):252.21 hp (188.1 kW)
PTO (claimed):225 hp (167.8 kW)
Drawbar (tested):202.28 hp (150.8 kW)

Engine

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

Weight

Shipping:18709 lbs (8486 kg)
Ballasted:29562 lbs (13409 kg)
Operating:19190 lbs (8704 kg)

Capacity

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

Electrical

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

Hydraulics

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

Mechanical

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

Production

Type:Row-Crop tractor
Series:8000/8000T Series
Built in:Waterloo, Iowa, USA
Years produced:1995 - 1999

Transmission

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

Tractor hitch

Control:electro-hydraulic draft sensing
Rear Type:III/IIIN
Rear lift:11700 lbs (5307 kg)
Optional rear lift:15650 lbs (7098 kg)

Serial Numbers

1995:1001
1996:6001
1997:10001
1998:20001
1999:24001
Serial number location:Serial number plate on the rear of the tractor, above the PTO shaft.

Dimensions & Tires

Length:206.5 inches (524 cm)
Wheelbase:116.1 inches (294 cm)
Front tread:60 to 88 inches (152 to 223 cm)
Height (cab):120.2 inches (305 cm)
Standard tires (ag):Front: 14.9R34. Rear: 18.4R46
Clearance (front axle):23.2 inches (58 cm)
Rack and pinion rear axle:4.331 by 118.5 inches (110 by 3009 mm)

Power Take-off (PTO)

Clutch:hydraulic wet disc
Rear PTO:independent
Engine RPM:540@1930, 1000@2200
Optional PTO:1000 (1.375), 540 (1.375)
Rear PTO Type:1000 (1.75)

Related Models

John Deere 8410

Model:8410

John Deere 8300

Model:8300