Head to head · Four-Wheel Drive

John Deere 9420 vs John Deere 9R 390

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John DeereModel A

John Deere 9420

Four-Wheel Drive

power
425 hp
displacement
765 ci
Cylinders
6
Forward gears
24
Full 9420 specs
John Deere 9R 390 Tractor
John DeereModel B

John Deere 9R 390

Four-Wheel Drive

power
371 hp
displacement
826 ci
Cylinders
6
Forward gears
18
Full 9R 390 specs
John DeereJohn Deere 9420
vs
John DeereJohn Deere 9R 390

How they compare

Headline specs vs. the whole Four-Wheel Drive

n = 98–162

Engine Power

▲ 9420 higher · +54 hp (+15%)
9420425 hp
9R 390371 hp
Median Four-Wheel Drive Tractor375 hp

9420 is in the 59th percentile; 9R 390 is in the 47th · 162 models

Engine Displacement

▲ 9R 390 higher · +61 ci (+8%)
9420765 ci
9R 390826 ci
Median Four-Wheel Drive Tractor826 ci

9420 is in the 30th percentile; 9R 390 is in the 50th · 152 models

Cylinders

= Effectively tied
94206
9R 3906
Median Four-Wheel Drive Tractor6

9420 is in the 50th percentile; 9R 390 is in the 50th · 159 models

Forward Gears

▲ 9420 higher · +6 (+33%)
942024
9R 39018
Median Four-Wheel Drive Tractor16

9420 is in the 98th percentile; 9R 390 is in the 86th · 146 models

9420 (A)9R 390 (B)Median Four-Wheel Drive Tractor

Full comparison

Every spec, side by side

General Information

SpecJohn Deere 9420John Deere 9R 390Difference
ManufacturerJohn DeereJohn DeereSame
Model94209R 390—
CategoryFour-Wheel DriveFour-Wheel DriveSame

Engine

SpecJohn Deere 9420John Deere 9R 390Difference
ManufacturerJohn DeereJohn DeereSame
ModelNot recordedJD14—
Power Output425hp371hp▲ 9420+54 hp · +15%
Rated RPM2,100RPM2,100RPMSame
Cylinders66Same
Displacement765ci826ci▲ 9R 390+61 ci · +8%
Bore5in5.2in▲ 9R 390+0.2 in · +4%
Stroke6.5in6.5inSame

Transmission

SpecJohn Deere 9420John Deere 9R 390Difference
Typepartial power shiftFull power shift—

Dimensions & Weight

SpecJohn Deere 9420John Deere 9R 390Difference
Length274in313in▲ 9R 390+39 in · +14%
Width116inNot recorded—
Height138in147in▲ 9R 390+9 in · +7%
Operating Weight34,877lb46,800lb▲ 9R 390+11,923 lb · +34%

Hydraulics

SpecJohn Deere 9420John Deere 9R 390Difference
System TypeClosed center pressure/flow compensatedClosed center pressure/flow compensatedSame
Steering TypeHydrostatic articulatedNot recorded—

Power Take-off (PTO)

SpecJohn Deere 9420John Deere 9R 390Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecJohn Deere 9420John Deere 9R 390Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIIICategory 4N—
Hitch Capacity13,871lbNot recorded—

Chassis & Drive

SpecJohn Deere 9420John Deere 9R 390Difference
Chassis Type4x4 articulated 4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypeHydrostatic articulatedNot recorded—
Brake TypeHydraulic wet discNot recorded—

Electrical

SpecJohn Deere 9420John Deere 9R 390Difference
Starter TypeElectricElectricSame

Capacities

SpecJohn Deere 9420John Deere 9R 390Difference
Coolant16gal14.9gal▲ 9420+1.1 gal · +7%

Operator Station

SpecJohn Deere 9420John Deere 9R 390Difference
TypeCabCabSame

Category context

Both models against the field

Engine Power

median 375 hp
A · 59th percentile (425 hp)B · 47th percentile (371 hp)

Engine Displacement

median 826 ci
A · 30th percentile (765 ci)B · 50th percentile (826 ci)

Cylinders

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

Forward Gears

median 16
A · 98th percentile (24)B · 86th percentile (18)

Operating Weight

median 37,428 lb
A · 42nd percentile (34,877 lb)B · 83rd percentile (46,800 lb)
A · 9420B · 9R 390Median Four-Wheel Drive Tractor
Full spec pageJohn Deere 9420Full spec pageJohn Deere 9R 390