Head to head · Row Crop

John Deere 8400R vs John Deere 8R 340

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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 8R 340 Tractor
John DeereModel B

John Deere 8R 340

Row Crop

power
346 hp
displacement
548 ci
Cylinders
6
Forward gears
23
Full 8R 340 specs
John DeereJohn Deere 8400R
vs
John DeereJohn Deere 8R 340

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ 8400R higher · +54 hp (+16%)
8400R400 hp
8R 340346 hp
Median Row Crop Tractor138 hp

8400R is in the 98th percentile; 8R 340 is in the 96th · 1,206 models

Engine Displacement

= Effectively tied
8400R548 ci
8R 340548 ci
Median Row Crop Tractor391 ci

8400R is in the 96th percentile; 8R 340 is in the 96th · 1,409 models

Cylinders

= Effectively tied
8400R6
8R 3406
Median Row Crop Tractor6

8400R is in the 50th percentile; 8R 340 is in the 50th · 1,417 models

Forward Gears

= Effectively tied
8400R23
8R 34023
Median Row Crop Tractor16

8400R is in the 74th percentile; 8R 340 is in the 74th · 1,200 models

8400R (A)8R 340 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecJohn Deere 8400RJohn Deere 8R 340Difference
ManufacturerJohn DeereJohn DeereSame
Model8400R8R 340—
CategoryRow CropRow CropSame

Engine

SpecJohn Deere 8400RJohn Deere 8R 340Difference
ManufacturerJohn DeereJohn DeereSame
ModelPowerTech PSSNot recorded—
Power Output400hp346hp▲ 8400R+54 hp · +16%
Rated RPM2,100RPM2,100RPMSame
Cylinders66Same
Displacement548ci548ciSame
Bore4.7in4.7inSame
Stroke5.4in5.4in▲ 8R 340+0.1 in · +2%

Transmission

SpecJohn Deere 8400RJohn Deere 8R 340Difference
TypeFull power shifte23 Transmission, selective gear fixed ratio with full range operator controlled power shift—

Dimensions & Weight

SpecJohn Deere 8400RJohn Deere 8R 340Difference
Length245in253in▲ 8R 340+8 in · +3%
Width137inNot recorded—
Height129in138in▲ 8R 340+9 in · +7%
Operating Weight32,691lb28,705lb▲ 8400R+3,986 lb · +14%

Hydraulics

SpecJohn Deere 8400RJohn Deere 8R 340Difference
System TypeClosed-center, load sensing, pressure flow compensatedClosed-center pressure flow compensated—
Steering TypeHydrostatic powerHydrostatic—

Power Take-off (PTO)

SpecJohn Deere 8400RJohn Deere 8R 340Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Tires

SpecJohn Deere 8400RJohn Deere 8R 340Difference
Front Tire SizeNot recorded420/85R34—
Rear Tire SizeNot recorded480/80R50—

Hitch & Towing

SpecJohn Deere 8400RJohn Deere 8R 340Difference
Hitch TypeIVN/IIINot recorded—
Hitch CategoryCategory 3Category 3Same
Hitch PositionRearNot recorded—
Hitch Capacity15,000lbNot recorded—

Chassis & Drive

SpecJohn Deere 8400RJohn Deere 8R 340Difference
Chassis Type4x4 MFWD 4WD4x4 MFWD 4WDSame
Drive TypeMFWD - Mechanical Front Wheel DriveMFWD 4WD—
Steering TypeHydrostatic powerHydrostatic—
Brake TypeHydraulic wet discNot recorded—

Electrical

SpecJohn Deere 8400RJohn Deere 8R 340Difference
Starter TypeElectricElectricSame

Operator Station

SpecJohn Deere 8400RJohn Deere 8R 340Difference
TypeCommandView III cabCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 98th percentile (400 hp)B · 96th percentile (346 hp)

Engine Displacement

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

Cylinders

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

Forward Gears

median 16
A · 74th percentile (23)B · 74th percentile (23)

Operating Weight

median 12,307 lb
A · 99th percentile (32,691 lb)B · 97th percentile (28,705 lb)
A · 8400RB · 8R 340Median Row Crop Tractor
Full spec pageJohn Deere 8400RFull spec pageJohn Deere 8R 340