Head to head · Row Crop

John Deere 6250R vs John Deere 8420

Image not recorded
John DeereModel A

John Deere 6250R

Row Crop

power
237 hp
displacement
414 ci
Cylinders
6
Forward gears
Not recorded
Full 6250R specs
John Deere 8420 Tractor
John DeereModel B

John Deere 8420

Row Crop

power
270 hp
displacement
496 ci
Cylinders
6
Forward gears
16
Full 8420 specs
John DeereJohn Deere 6250R
vs
John DeereJohn Deere 8420

How they compare

Headline specs vs. the whole Row Crop

n = 279–1,417

Engine Power

▲ 8420 higher · +33 hp (+14%)
6250R237 hp
8420270 hp
Median Row Crop Tractor138 hp

6250R is in the 85th percentile; 8420 is in the 90th · 1,206 models

Engine Displacement

▲ 8420 higher · +82 ci (+20%)
6250R414 ci
8420496 ci
Median Row Crop Tractor391 ci

6250R is in the 66th percentile; 8420 is in the 85th · 1,409 models

Cylinders

= Effectively tied
6250R6
84206
Median Row Crop Tractor6

6250R is in the 50th percentile; 8420 is in the 50th · 1,417 models

Operating Weight

▲ 8420 higher · +2,855 lb (+14%)
6250R21,100 lb
842023,955 lb
Median Row Crop Tractor12,307 lb

6250R is in the 86th percentile; 8420 is in the 93rd · 1,350 models

6250R (A)8420 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecJohn Deere 6250RJohn Deere 8420Difference
ManufacturerJohn DeereJohn DeereSame
Model6250R8420—
CategoryRow CropRow CropSame

Engine

SpecJohn Deere 6250RJohn Deere 8420Difference
ManufacturerJohn DeereJohn DeereSame
ModelPowerTech PSSNot recorded—
Power Output237hp270hp▲ 8420+33 hp · +14%
Rated RPM2,100RPM2,200RPM▲ 8420+100 RPM · +5%
Cylinders66Same
Displacement414ci496ci▲ 8420+82 ci · +20%
Bore4.2in4.6in▲ 8420+0.4 in · +10%
Stroke5in5.1in▲ 8420+0.1 in · +2%

Transmission

SpecJohn Deere 6250RJohn Deere 8420Difference
TypeInfinitely-variable transmission (IVT)Full power shift—

Dimensions & Weight

SpecJohn Deere 6250RJohn Deere 8420Difference
Length204in212in▲ 8420+8 in · +4%
Width100inNot recorded—
Height128in122in▲ 6250R+6 in · +5%
Wheelbase114inNot recorded—
Operating Weight21,100lb23,955lb▲ 8420+2,855 lb · +14%

Hydraulics

SpecJohn Deere 6250RJohn Deere 8420Difference
System TypeClosed-center pressure flow compensatedClosed center pressure-flow compensated (PFC)—
Steering TypePowerHydrostatic power—

Power Take-off (PTO)

SpecJohn Deere 6250RJohn Deere 8420Difference
TypeNot recordedIndependent with hydraulic wet discs clutch—
Speed 1Not recorded1,000rpm—
Speed 2Not recorded540rpm—
Speed 3Not recorded1,000rpm—

Tires

SpecJohn Deere 6250RJohn Deere 8420Difference
Front Tire Size600/70R30Not recorded—
Rear Tire Size710/70R42480/80R46—

Hitch & Towing

SpecJohn Deere 6250RJohn Deere 8420Difference
Hitch TypeCategory 3III/IIIN—
Hitch CategoryCategory 3Category 3Same
Hitch PositionRearRearSame
Hitch Capacity15,000lb17,897lb▲ 8420+2,897 lb · +19%

Chassis & Drive

SpecJohn Deere 6250RJohn Deere 8420Difference
Chassis Type4x4 MFWD 4WD4x4 MFWD 4WDSame
Drive Type4WD4WDSame
Steering TypePowerHydrostatic power—
Brake TypeNot recordedHydraulic wet disc—

Electrical

SpecJohn Deere 6250RJohn Deere 8420Difference
Starter TypeElectricElectricSame

Emissions

SpecJohn Deere 6250RJohn Deere 8420Difference
StandardStage IVNot recorded—
Control SystemDPF, DOC, and SCRNot recorded—

Capacities

SpecJohn Deere 6250RJohn Deere 8420Difference
Coolant7.7gal9gal▲ 8420+1.3 gal · +17%

Operator Station

SpecJohn Deere 6250RJohn Deere 8420Difference
TypeCabCab (standard)—

Category context

Both models against the field

Engine Power

median 138 hp
A · 85th percentile (237 hp)B · 90th percentile (270 hp)

Engine Displacement

median 391 ci
A · 66th percentile (414 ci)B · 85th percentile (496 ci)

Cylinders

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

Operating Weight

median 12,307 lb
A · 86th percentile (21,100 lb)B · 93rd percentile (23,955 lb)

Length

median 180 in
A · 80th percentile (204 in)B · 85th percentile (212 in)
A · 6250RB · 8420Median Row Crop Tractor
Full spec pageJohn Deere 6250RFull spec pageJohn Deere 8420