Compare/Allis Chalmers 4W-220 vs Allis Chalmers HD20

Allis Chalmers 4W-220 vs Allis Chalmers HD20

Verdict: Allis Chalmers 4W-220 vs Allis Chalmers HD20

The Allis Chalmers 4W-220 and the Allis Chalmers HD20 are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 4W-220 leads on rated power with 180 hp against 175 hp. Allis Chalmers 4W-220 is the lighter machine (9,741 kg vs 18,597 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 4W-220 holds more fuel (757.0 L vs 454.2 L) for longer stints between fills. Allis Chalmers 4W-220 is the newer design (1982 vs 1951). In short: choose the Allis Chalmers 4W-220 for outright pulling power, or the Allis Chalmers HD20 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

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Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

180 hp

175 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

With 20.8x38 tires.Reference

Drawbar performanceReference

Original price

$74,490Reference

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Final drives

planetaryReference

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Total built

—

3,100Reference

Drive

—

crawlerReference

Engine

Fuel tank

757.0 LReference

454.2 LReference

Engine

164.1 kWReference

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Displacement

7.0 LReference

10.8 LReference

Bore/Stroke

108 x 127 mmReference

127 x 142 mmReference

Power

164.1 kWReference

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Air cleaner

dryReference

—

Compression

15.5:1Reference

18.0:1Reference

Rated RPM

2400Reference

1700Reference

Idle RPM

800-2630Reference

—

Starter volts

12Reference

24Reference

Oil capacity

19.9 LReference

—

Coolant capacity

38.8 LReference

56.8 LReference

Engine (net)

—

130.5 kWReference

Drawbar (claimed)

—

87.2 kWReference

Drawbar (tested)

—

87.0 kWReference

Power (net)

—

130.5 kWReference

Max power

—

87.0 kWReference

Transmission

Power DirectorReference

—

Gears

20 forward and 4 reverseReference

2 forward and 1 reverseReference

PTO & Hydraulics

PTO (claimed)

134.2 kWReference

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Type

two-speed power shiftReference

torque converterReference

Valves

3Reference

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SCV flow

79.5 lpmReference

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Total flow

283.5 lpmReference

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Rear Type

IV/IIIReference

—

Rear PTO

independentReference

—

Rear PTO Type

1000 (1.75)Reference

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Dimensions

Wheelbase

320 cmReference

—

Weight

9741 kgReference

18597 kgReference

Front tire

18.4x38Reference

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Rear tire

18.4x38Reference

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Ag front

20.8x38Reference

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Ag rear

20.8x38Reference

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Length

328 cmReference

485 cmReference

Height (hood)

219 cmReference

—

Height (cab)

328 cmReference

—

Shipping weight

9741 kgReference

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Clearance (front axle)

65 cmReference

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Clearance (rear axle)

75 cmReference

—

Front axle

3035 mmReference

—

Rear axle

3035 mmReference

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Height

—

241 cmReference

4W-220 Serial Numbers

1982

1001Reference

—

1983

1081Reference

—

1984

1145Reference

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Location:

Front frame, on rear left sideReference

Steering clutch housing or instrument panelReference

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

—

Battery volts

12Reference

—

Speeds

HD20 Serial Numbers

1951

—

3001Reference

1952

—

3828Reference

1953

—

4923Reference

1954

—

5737Reference

Allis Chalmers HD20 Tracks

Width

—

277 cmReference

Length on ground

—

270 cmReference

Area on ground

—

3.3 m²Reference

Ground pressure

—

0.6 barReference

Test results

Max pull

—

18743 kgReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.