Head to head · Row Crop

Allis Chalmers 6080 vs Allis Chalmers D21 Series I

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Allis ChalmersModel A

Allis Chalmers 6080

Row Crop

power
93 hp
displacement
200 ci
Cylinders
4
Forward gears
12
Full 6080 specs
Image not recorded
Allis ChalmersModel B

Allis Chalmers D21 Series I

Row Crop

power
103 hp
displacement
426 ci
Cylinders
6
Forward gears
8
Full D21 Series I specs
Allis ChalmersAllis Chalmers 6080
vs
Allis ChalmersAllis Chalmers D21 Series I

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ D21 Series I higher · +10 hp (+11%)
608093 hp
D21 Series I103 hp
Median Row Crop Tractor138 hp

6080 is in the 20th percentile; D21 Series I is in the 27th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +226 ci (+113%)
6080200 ci
D21 Series I426 ci
Median Row Crop Tractor391 ci

6080 is in the 7th percentile; D21 Series I is in the 72nd · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
60804
D21 Series I6
Median Row Crop Tractor6

6080 is in the 17th percentile; D21 Series I is in the 50th · 1,417 models

Forward Gears

▲ 6080 higher · +4 (+50%)
608012
D21 Series I8
Median Row Crop Tractor16

6080 is in the 27th percentile; D21 Series I is in the 16th · 1,200 models

6080 (A)D21 Series I (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
ManufacturerAllis ChalmersAllis ChalmersSame
Model6080D21 Series I—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
ManufacturerAllis ChalmersAllis ChalmersSame
Model433TI3400—
Power Output93hp103hp▲ D21 Series I+10 hp · +11%
Rated RPM2,300RPM2,200RPM▲ 6080+100 RPM · +5%
Cylinders46▲ D21 Series I+2 · +50%
Displacement200ci426ci▲ D21 Series I+226 ci · +113%
Bore3.9in4.3in▲ D21 Series I+0.4 in · +10%
Stroke4.3in5in▲ D21 Series I+0.7 in · +16%

Transmission

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
TypeSynchronizedSliding gear with dry disc clutch—

Dimensions & Weight

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
Length149in161in▲ D21 Series I+12 in · +8%
Width72.8in91.6in▲ D21 Series I+18.8 in · +26%
Height108in107in▲ 6080+1 in · <1%
Operating Weight6,500lb9,500lb▲ D21 Series I+3,000 lb · +46%

Hydraulics

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
System TypeOpen centerNot recorded—
Steering TypeHydrostatic powerPower—

Power Take-off (PTO)

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
TypeIndependentIndependentSame
Speed 1540rpm1,000rpm▲ D21 Series I+460 rpm · +85%
Speed 21,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
Hitch TypeThree-pointThree-Point Hitch—
Hitch CategoryIIIII/II—
Hitch PositionRearRearSame
Hitch Capacity4,500lbNot recorded—

Chassis & Drive

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeHydrostatic powerPower—
Brake TypeDifferential hydraulic wet diskBand actuated disc—

Electrical

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
Starter TypeElectric StarterElectric—

Capacities

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
Coolant4.3gal5.3gal▲ D21 Series I+1 gal · +23%

Operator Station

SpecAllis Chalmers 6080Allis Chalmers D21 Series IDifference
TypeFour-post ROPS canopyOpen—

Category context

Both models against the field

Engine Power

median 138 hp
A · 20th percentile (93 hp)B · 27th percentile (103 hp)

Engine Displacement

median 391 ci
A · 7th percentile (200 ci)B · 72nd percentile (426 ci)

Cylinders

median 6
A · 17th percentile (4)B · 50th percentile (6)

Forward Gears

median 16
A · 27th percentile (12)B · 16th percentile (8)

Operating Weight

median 12,307 lb
A · 13th percentile (6,500 lb)B · 28th percentile (9,500 lb)
A · 6080B · D21 Series IMedian Row Crop Tractor
Full spec pageAllis Chalmers 6080Full spec pageAllis Chalmers D21 Series I