Head to head · Crawler

John Deere 8400T vs John Deere 8520T

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John DeereModel A

John Deere 8400T

Crawler

power
227 hp
displacement
496 ci
Cylinders
6
Forward gears
16
Full 8400T specs
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John DeereModel B

John Deere 8520T

Crawler

power
256 hp
displacement
496 ci
Cylinders
6
Forward gears
16
Full 8520T specs
John DeereJohn Deere 8400T
vs
John DeereJohn Deere 8520T

How they compare

Headline specs vs. the whole Crawler

n = 134–192

Engine Power

▲ 8520T higher · +29 hp (+13%)
8400T227 hp
8520T256 hp
Median Crawler Tractor200 hp

8400T is in the 54th percentile; 8520T is in the 58th · 142 models

Engine Displacement

= Effectively tied
8400T496 ci
8520T496 ci
Median Crawler Tractor468 ci

8400T is in the 54th percentile; 8520T is in the 54th · 191 models

Cylinders

= Effectively tied
8400T6
8520T6
Median Crawler Tractor6

8400T is in the 50th percentile; 8520T is in the 50th · 192 models

Forward Gears

= Effectively tied
8400T16
8520T16
Median Crawler Tractor10

8400T is in the 69th percentile; 8520T is in the 69th · 179 models

8400T (A)8520T (B)Median Crawler Tractor

Full comparison

Every spec, side by side

General Information

SpecJohn Deere 8400TJohn Deere 8520TDifference
ManufacturerJohn DeereJohn DeereSame
Model8400T8520T—
CategoryCrawlerCrawler, Agricultural—

Engine

SpecJohn Deere 8400TJohn Deere 8520TDifference
ManufacturerJohn DeereJohn DeereSame
ModelSerial No.*RG6081 H040198*Not recorded—
Power Output227hp256hp▲ 8520T+29 hp · +13%
Rated RPM2,000RPM2,179RPM▲ 8520T+179 RPM · +9%
Cylinders66Same
Displacement496ci496ciSame
Bore4.6in4.6inSame
Stroke5.1in5.1inSame

Transmission

SpecJohn Deere 8400TJohn Deere 8520TDifference
TypeFull powershiftFull power shift—

Dimensions & Weight

SpecJohn Deere 8400TJohn Deere 8520TDifference
Length207in207inSame
Width104in120in▲ 8520T+16 in · +15%
Height123in123inSame
Operating Weight25,000lb27,280lb▲ 8520T+2,280 lb · +9%

Hydraulics

SpecJohn Deere 8400TJohn Deere 8520TDifference
System TypeClosed center pressure-flow compensated (PFC)Closed center pressure-flow compensated (PFC)Same
Steering TypeHydrostatic powerElectro-hydraulic power—

Power Take-off (PTO)

SpecJohn Deere 8400TJohn Deere 8520TDifference
TypeIndependentIndependent with hydraulic wet disc clutch—
Speed 11,000rpm1,000rpmSame

Hitch & Towing

SpecJohn Deere 8400TJohn Deere 8520TDifference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryCategory 3III/IIIN—
Hitch PositionRearRearSame
Hitch Capacity15,650lb16,520lb▲ 8520T+870 lb · +6%

Chassis & Drive

SpecJohn Deere 8400TJohn Deere 8520TDifference
Chassis TypeCrawlerCrawlerSame
Drive TypeTrackTrackSame
Steering TypeHydrostatic powerElectro-hydraulic power—
Brake TypeHydraulic wet discHydraulic wet discSame

Electrical

SpecJohn Deere 8400TJohn Deere 8520TDifference
Starter TypeElectricElectricSame

Capacities

SpecJohn Deere 8400TJohn Deere 8520TDifference
Coolant9gal9galSame

Operator Station

SpecJohn Deere 8400TJohn Deere 8520TDifference
TypeCabCabSame

Category context

Both models against the field

Engine Power

median 200 hp
A · 54th percentile (227 hp)B · 58th percentile (256 hp)

Engine Displacement

median 468 ci
A · 54th percentile (496 ci)B · 54th percentile (496 ci)

Cylinders

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

Forward Gears

median 10
A · 69th percentile (16)B · 69th percentile (16)

Operating Weight

median 23,320 lb
A · 54th percentile (25,000 lb)B · 62nd percentile (27,280 lb)
A · 8400TB · 8520TMedian Crawler Tractor
Full spec pageJohn Deere 8400TFull spec pageJohn Deere 8520T