Head to head · Row Crop

Allis Chalmers 7020 vs Allis Chalmers D21 Series II

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
Allis ChalmersAllis Chalmers 7020
vs
Allis ChalmersAllis Chalmers D21 Series II

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 7020 higher · +3 hp (+2%)
7020124 hp
D21 Series II121 hp
Median Row Crop Tractor138 hp

7020 is in the 41st percentile; D21 Series II is in the 40th · 1,206 models

Engine Displacement

▲ D21 Series II higher · +125 ci (+42%)
7020301 ci
D21 Series II426 ci
Median Row Crop Tractor391 ci

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

Cylinders

= Effectively tied
70206
D21 Series II6
Median Row Crop Tractor6

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

Forward Gears

▲ D21 Series II higher · +2 (+33%)
70206
D21 Series II8
Median Row Crop Tractor16

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

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

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7020Allis Chalmers D21 Series IIDifference
ManufacturerAllis ChalmersAllis ChalmersSame
Model7020D21 Series II—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers 7020Allis Chalmers D21 Series IIDifference
ManufacturerAllis ChalmersAllis ChalmersSame
Model649I3500—
Power Output124hp121hp▲ 7020+3 hp · +2%
Rated RPM2,300RPM2,200RPM▲ 7020+100 RPM · +5%
Cylinders66Same
Displacement301ci426ci▲ D21 Series II+125 ci · +42%
Bore3.9in4.3in▲ D21 Series II+0.4 in · +10%
Stroke4.3in5in▲ D21 Series II+0.7 in · +16%

Transmission

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

Dimensions & Weight

SpecAllis Chalmers 7020Allis Chalmers D21 Series IIDifference
Length163in160in▲ 7020+3 in · +2%
Width92.6in91.3in▲ 7020+1.3 in · +1%
Height116in106in▲ 7020+10 in · +9%
Operating Weight11,770lb9,502lb▲ 7020+2,268 lb · +24%

Hydraulics

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

Power Take-off (PTO)

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

Tires

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

Hitch & Towing

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

Chassis & Drive

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

Electrical

SpecAllis Chalmers 7020Allis Chalmers D21 Series IIDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 7020Allis Chalmers D21 Series IIDifference
Coolant6.5gal7.8gal▲ D21 Series II+1.3 gal · +20%

Operator Station

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

Category context

Both models against the field

Engine Power

median 138 hp
A · 41st percentile (124 hp)B · 40th percentile (121 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 (9,502 lb)
A · 7020B · D21 Series IIMedian Row Crop Tractor
Full spec pageAllis Chalmers 7020Full spec pageAllis Chalmers D21 Series II