Head to head · Utility

Allis Chalmers 4W-220 vs Allis Chalmers HD21

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Allis ChalmersModel A

Allis Chalmers 4W-220

Utility

power
220 hp
displacement
426 ci
Cylinders
6
Forward gears
20
Full 4W-220 specs
Allis Chalmers HD21 Tractor
Allis ChalmersModel B

Allis Chalmers HD21

Agricultural

power
225 hp
displacement
844 ci
Cylinders
6
Forward gears
2
Full HD21 specs
Allis ChalmersAllis Chalmers 4W-220
vs
Allis ChalmersAllis Chalmers HD21

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Power

▲ HD21 higher · +5 hp (+2%)
4W-220220 hp
HD21225 hp
Median Utility Tractor55 hp

4W-220 is in the 95th percentile; HD21 is in the 95th · 5,383 models

Engine Displacement

▲ HD21 higher · +418 ci (+98%)
4W-220426 ci
HD21844 ci
Median Utility Tractor183 ci

4W-220 is in the 92nd percentile; HD21 is in the 97th · 5,580 models

Cylinders

= Effectively tied
4W-2206
HD216
Median Utility Tractor4

4W-220 is in the 93rd percentile; HD21 is in the 93rd · 5,720 models

Forward Gears

▲ 4W-220 higher · +18 (+900%)
4W-22020
HD212
Median Utility Tractor12

4W-220 is in the 86th percentile; HD21 is in the 1st · 4,941 models

4W-220 (A)HD21 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
ManufacturerAllis ChalmersAllis ChalmersSame
Model4W-220HD21—
CategoryUtilityAgricultural—

Engine

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
ManufacturerAllis ChalmersAllis-Chalmers—
Model670 HINot recorded—
Power Output220hp225hp▲ HD21+5 hp · +2%
Rated RPM2,400RPM1,800RPM▲ 4W-220+600 RPM · +33%
Cylinders66Same
Displacement426ci844ci▲ HD21+418 ci · +98%
Bore4.3in5.3in▲ HD21+1 in · +23%
Stroke5in6.5in▲ HD21+1.5 in · +30%

Transmission

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
TypeTwo-speed power shiftTorque Converter—

Dimensions & Weight

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
Length129in198in▲ HD21+69 in · +53%
Height129in99in▲ 4W-220+30 in · +30%
Operating Weight21,475lb45,500lb▲ HD21+24,025 lb · +112%

Hydraulics

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
System TypeClosed center load-sensingNot recorded—
Steering TypeHydraulic powerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
Hitch CategoryIIINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
Chassis Type4x4 articulated 4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypeHydraulic powerNot recorded—

Electrical

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
Coolant10.3gal20gal▲ HD21+9.7 gal · +94%

Operator Station

SpecAllis Chalmers 4W-220Allis Chalmers HD21Difference
TypeCab (standard)Not recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 95th percentile (220 hp)B · 95th percentile (225 hp)

Engine Displacement

median 183 ci
A · 92nd percentile (426 ci)B · 97th percentile (844 ci)

Cylinders

median 4
A · 93rd percentile (6)B · 93rd percentile (6)

Forward Gears

median 12
A · 86th percentile (20)B · 1st percentile (2)

Operating Weight

median 5,303 lb
A · 95th percentile (21,475 lb)B · 99th percentile (45,500 lb)
A · 4W-220B · HD21Median Utility Tractor
Full spec pageAllis Chalmers 4W-220Full spec pageAllis Chalmers HD21