Head to head · Row Crop

Allis Chalmers 7020 vs Allis Chalmers D21 Series I

Allis Chalmers 7020 Tractor
Allis ChalmersModel A

Allis Chalmers 7020

Row Crop

power
124 hp
displacement
301 ci
Cylinders
6
Forward gears
6
Full 7020 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 7020
vs
Allis ChalmersAllis Chalmers D21 Series I

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 7020 higher · +21 hp (+20%)
7020124 hp
D21 Series I103 hp
Median Row Crop Tractor138 hp

7020 is in the 41st percentile; D21 Series I is in the 27th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +125 ci (+42%)
7020301 ci
D21 Series I426 ci
Median Row Crop Tractor391 ci

7020 is in the 32nd percentile; D21 Series I is in the 72nd · 1,409 models

Cylinders

= Effectively tied
70206
D21 Series I6
Median Row Crop Tractor6

7020 is in the 50th percentile; D21 Series I is in the 50th · 1,417 models

Forward Gears

▲ D21 Series I higher · +2 (+33%)
70206
D21 Series I8
Median Row Crop Tractor16

7020 is in the 11th percentile; D21 Series I is in the 16th · 1,200 models

7020 (A)D21 Series I (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
ManufacturerAllis ChalmersAllis ChalmersSame
Model7020D21 Series I—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
ManufacturerAllis ChalmersAllis ChalmersSame
Model649I3400—
Power Output124hp103hp▲ 7020+21 hp · +20%
Rated RPM2,300RPM2,200RPM▲ 7020+100 RPM · +5%
Cylinders66Same
Displacement301ci426ci▲ D21 Series I+125 ci · +42%
Bore3.9in4.3in▲ D21 Series I+0.4 in · +10%
Stroke4.3in5in▲ D21 Series I+0.7 in · +16%

Transmission

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
TypePartial power shiftSliding gear with dry disc clutch—

Dimensions & Weight

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
Length163in161in▲ 7020+2 in · +1%
Width92.6in91.6in▲ 7020+1 in · +1%
Height116in107in▲ 7020+9 in · +8%
Operating Weight11,770lb9,500lb▲ 7020+2,270 lb · +24%

Hydraulics

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
System TypeClosed centerNot recorded—
Steering TypeHydrostatic powerPower—

Power Take-off (PTO)

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
TypeIndependentIndependentSame
Speed 1540rpm1,000rpm▲ D21 Series I+460 rpm · +85%
Speed 21,000rpmNot recorded—

Tires

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
Front Tire Size11.00-16Not recorded—
Rear Tire Size20.8-38Not recorded—

Hitch & Towing

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIII/IIIII/IISame
Hitch PositionRearRearSame
Hitch Capacity6,680lbNot recorded—

Chassis & Drive

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeHydrostatic powerPower—
Brake TypeDifferential hydraulic wet discBand actuated disc—

Electrical

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
Coolant6.5gal5.3gal▲ 7020+1.2 gal · +23%

Operator Station

SpecAllis Chalmers 7020Allis Chalmers D21 Series IDifference
TypeAcousta-CabOpen—

Category context

Both models against the field

Engine Power

median 138 hp
A · 41st percentile (124 hp)B · 27th percentile (103 hp)

Engine Displacement

median 391 ci
A · 32nd percentile (301 ci)B · 72nd percentile (426 ci)

Cylinders

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

Forward Gears

median 16
A · 11th percentile (6)B · 16th percentile (8)

Operating Weight

median 12,307 lb
A · 46th percentile (11,770 lb)B · 28th percentile (9,500 lb)
A · 7020B · D21 Series IMedian Row Crop Tractor
Full spec pageAllis Chalmers 7020Full spec pageAllis Chalmers D21 Series I