Head to head · Row Crop

Allis Chalmers 7030 vs Allis Chalmers D21 Series II

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Allis ChalmersModel A

Allis Chalmers 7030

Row Crop

power
131 hp
displacement
426 ci
Cylinders
6
Forward gears
20
Full 7030 specs
Allis ChalmersAllis Chalmers 7030
vs
Allis ChalmersAllis Chalmers D21 Series II

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 7030 higher · +10 hp (+8%)
7030131 hp
D21 Series II121 hp
Median Row Crop Tractor138 hp

7030 is in the 47th percentile; D21 Series II is in the 40th · 1,206 models

Engine Displacement

= Effectively tied
7030426 ci
D21 Series II426 ci
Median Row Crop Tractor391 ci

7030 is in the 72nd percentile; D21 Series II is in the 72nd · 1,409 models

Cylinders

= Effectively tied
70306
D21 Series II6
Median Row Crop Tractor6

7030 is in the 50th percentile; D21 Series II is in the 50th · 1,417 models

Forward Gears

▲ 7030 higher · +12 (+150%)
703020
D21 Series II8
Median Row Crop Tractor16

7030 is in the 70th percentile; D21 Series II is in the 16th · 1,200 models

7030 (A)D21 Series II (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
ManufacturerAllis ChalmersAllis ChalmersSame
Model7030D21 Series II—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
ManufacturerAllis ChalmersAllis ChalmersSame
Model3500 Mark II3500—
Power Output131hp121hp▲ 7030+10 hp · +8%
Rated RPM2,300RPM2,200RPM▲ 7030+100 RPM · +5%
Cylinders66Same
Displacement426ci426ciSame
Bore4.3in4.3inSame
Stroke5in5inSame

Transmission

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
TypeSelective gear fixed ratio with partial range operator controlled power shiftingSliding gear with dry disc clutch—

Dimensions & Weight

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
Length163in160in▲ 7030+3 in · +2%
Width95.3in91.3in▲ 7030+4 in · +4%
Height116in106in▲ 7030+10 in · +9%
Operating Weight12,430lb9,502lb▲ 7030+2,928 lb · +31%

Hydraulics

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
System TypeOpen centerNot recorded—
Steering TypeHydrostatic powerPower—

Power Take-off (PTO)

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
TypeIndependentIndependentSame
Speed 1540rpm1,000rpm▲ D21 Series II+460 rpm · +85%
Speed 21,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
Hitch TypeNot recordedThree-Point Hitch—
Hitch CategoryNot recordedIII/II—
Hitch PositionNot recordedRear—

Chassis & Drive

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
Chassis Type2WD4x2 2WD—
Drive Type2WD2WDSame
Steering TypeHydrostatic powerPower—
Brake TypeWet multiple disc brakes operated hydraulically by two-foot pedalsBand actuated disc—

Electrical

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
CoolantNot recorded7.8gal—

Operator Station

SpecAllis Chalmers 7030Allis Chalmers D21 Series IIDifference
TypeOpen operator station or Cab (optional)Open—

Category context

Both models against the field

Engine Power

median 138 hp
A · 47th percentile (131 hp)B · 40th percentile (121 hp)

Engine Displacement

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

Cylinders

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

Forward Gears

median 16
A · 70th percentile (20)B · 16th percentile (8)

Operating Weight

median 12,307 lb
A · 51st percentile (12,430 lb)B · 28th percentile (9,502 lb)
A · 7030B · D21 Series IIMedian Row Crop Tractor
Full spec pageAllis Chalmers 7030Full spec pageAllis Chalmers D21 Series II