Head to head · Row Crop

John Deere 8400R vs John Deere 9R 490

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John DeereModel A

John Deere 8400R

Row Crop

power
400 hp
displacement
548 ci
Cylinders
6
Forward gears
23
Full 8400R specs
John Deere 9R 490 Tractor
John DeereModel B

John Deere 9R 490

Row Crop

power
483 hp
displacement
827 ci
Cylinders
6
Forward gears
18
Full 9R 490 specs
John DeereJohn Deere 8400R
vs
John DeereJohn Deere 9R 490

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ 9R 490 higher · +83 hp (+21%)
8400R400 hp
9R 490483 hp
Median Row Crop Tractor138 hp

8400R is in the 98th percentile; 9R 490 is in the 99th · 1,206 models

Engine Displacement

▲ 9R 490 higher · +279 ci (+51%)
8400R548 ci
9R 490827 ci
Median Row Crop Tractor391 ci

8400R is in the 96th percentile; 9R 490 is in the 99th · 1,409 models

Cylinders

= Effectively tied
8400R6
9R 4906
Median Row Crop Tractor6

8400R is in the 50th percentile; 9R 490 is in the 50th · 1,417 models

Forward Gears

▲ 8400R higher · +5 (+28%)
8400R23
9R 49018
Median Row Crop Tractor16

8400R is in the 74th percentile; 9R 490 is in the 61st · 1,200 models

8400R (A)9R 490 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecJohn Deere 8400RJohn Deere 9R 490Difference
ManufacturerJohn DeereJohn DeereSame
Model8400R9R 490—
CategoryRow CropRow CropSame

Engine

SpecJohn Deere 8400RJohn Deere 9R 490Difference
ManufacturerJohn DeereJohn DeereSame
ModelPowerTech PSSRG6136U000924—
Power Output400hp483hp▲ 9R 490+83 hp · +21%
Rated RPM2,100RPM2,100RPMSame
Cylinders66Same
Displacement548ci827ci▲ 9R 490+279 ci · +51%
Bore4.7in5.2in▲ 9R 490+0.5 in · +11%
Stroke5.4in6.5in▲ 9R 490+1.2 in · +23%

Transmission

SpecJohn Deere 8400RJohn Deere 9R 490Difference
TypeFull power shiftSelective gear fixed ratio with full range operator controlled power shift—

Dimensions & Weight

SpecJohn Deere 8400RJohn Deere 9R 490Difference
Length245in313in▲ 9R 490+68 in · +28%
Width137inNot recorded—
Height129in147in▲ 9R 490+18 in · +14%
Operating Weight32,691lb46,800lb▲ 9R 490+14,109 lb · +43%

Hydraulics

SpecJohn Deere 8400RJohn Deere 9R 490Difference
System TypeClosed-center, load sensing, pressure flow compensatedClosed Center Pressure/Flow Compensated—
Steering TypeHydrostatic powerHydrostatic and articulated—

Power Take-off (PTO)

SpecJohn Deere 8400RJohn Deere 9R 490Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecJohn Deere 8400RJohn Deere 9R 490Difference
Hitch TypeIVN/IIIIVN/IV—
Hitch CategoryCategory 3Not recorded—
Hitch PositionRearRearSame
Hitch Capacity15,000lbNot recorded—

Chassis & Drive

SpecJohn Deere 8400RJohn Deere 9R 490Difference
Chassis Type4x4 MFWD 4WD4WD—
Drive TypeMFWD - Mechanical Front Wheel DriveFour wheel drive with duals—
Steering TypeHydrostatic powerHydrostatic and articulated—
Brake TypeHydraulic wet discWet multiple disc hydraulically actuated by foot pedal—

Electrical

SpecJohn Deere 8400RJohn Deere 9R 490Difference
Starter TypeElectricElectricSame

Capacities

SpecJohn Deere 8400RJohn Deere 9R 490Difference
CoolantNot recorded14.9gal—

Operator Station

SpecJohn Deere 8400RJohn Deere 9R 490Difference
TypeCommandView III cabCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 98th percentile (400 hp)B · 99th percentile (483 hp)

Engine Displacement

median 391 ci
A · 96th percentile (548 ci)B · 99th percentile (827 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Forward Gears

median 16
A · 74th percentile (23)B · 61st percentile (18)

Operating Weight

median 12,307 lb
A · 99th percentile (32,691 lb)B · 99th percentile (46,800 lb)
A · 8400RB · 9R 490Median Row Crop Tractor
Full spec pageJohn Deere 8400RFull spec pageJohn Deere 9R 490