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 listed engine power 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
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. | |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 8400 based on its 228.29 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 8400.
Estimated Continuous Field Runtime: 11.4 hrs
Approximately 11.4 hours of continuous field operation at ~75% rated power on a full tank (135 gal / 511 L).
Engine Crankcase Oil
Transmission & Hydraulic System
Engine Cooling System
John Deere 8400 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 8400.
Converted Equivalents:
Direct Competitor Comparison
Compare John Deere 8400 against same-era industry alternatives in the same horsepower class.
John Deere 8400
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