Compare/Allis Chalmers 175 vs Allis Chalmers HD9

Allis Chalmers 175 vs Allis Chalmers HD9

Verdict: Allis Chalmers 175 vs Allis Chalmers HD9

The Allis Chalmers 175 and the Allis Chalmers HD9 are both tractors — here is how they stack up on the figures that matter. Allis Chalmers HD9 leads on rated power with 70 hp against 62 hp. Allis Chalmers 175 is the lighter machine (3,551 kg vs 8,527 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 175 is the newer design (1970 vs 1951). In short: choose the Allis Chalmers HD9 for outright pulling power, or the Allis Chalmers 175 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

62 hp

70 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

With 16.9-28 rear tires.Reference

Gear 1 used for pull test.Reference

Total built

1,009 gasReference

5,850Reference

Original price

$15,894Reference

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Steering

hydrostatic powerReference

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Drive

—

crawlerReference

Engine

Drawbar (tested)

40.3 kWReference

50.3 kWReference

Displacement

3.7 LReference

4.7 LReference

Bore/Stroke

102 x 114 mmReference

108 x 127 mmReference

Air cleaner

dryReference

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Compression

8.2:1Reference

16.0:1Reference

Rated RPM

1800Reference

1600Reference

Starter volts

12Reference

Oil capacity

22.7 LReference

25.6 LReference

Coolant capacity

14.2 LReference

27.4 LReference

Power at rated engine speed

45.4 kWReference

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Max power

38.6 kWReference

50.3 kWReference

Fuel tank

—

208.2 LReference

Drawbar (claimed)

—

52.2 kWReference

Belt (claimed)

—

62.6 kWReference

Belt (tested)

—

59.0 kWReference

Belt power (max)

—

59.0 kWReference

Transmission

Allis-Chalmers Power DirectorReference

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Type

partial power shiftReference

gearReference

Gears

8 forward and 2 reverseReference

6 forward and 3 reverseReference

PTO & Hydraulics

PTO (tested)

46.6 kWReference

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Hydraulic system

26.5 LReference

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Capacity

26.5 LReference

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Valves

3Reference

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Rear Type

IIReference

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Rear PTO

liveReference

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Rear PTO Type

540Reference

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Power at rated PTO speed

41.8 kWReference

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Capacities

Fuel

70.0 LReference

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Dimensions

Wheelbase

236 cmReference

—

Weight

3551 kgReference

8527 kgReference

Front tire

6.50-16Reference

—

Rear tire

16.9-28Reference

—

Ag front

9.5L-15Reference

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Ag rear

18.4-28Reference

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Length

346 cmReference

381 cmReference

Width

194 cmReference

241 cmReference

Clearance (front axle)

54 cmReference

—

Clearance (drawbar)

40 cmReference

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Front tread

134 to 198 cmReference

—

Rear tread

134 to 236 cmReference

—

Steering wheel

171 cmReference

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Height

—

185 cmReference

Shipping weight

—

8527 kgReference

Gauge

—

187 cmReference

Allis Chalmers 175 attachments

175 Serial Numbers

1970

1001Reference

—

1971

1477Reference

—

1972

1624Reference

—

1973

1740Reference

—

1974

2153Reference

—

1975

3255Reference

—

1976

3754Reference

—

1977

4809Reference

—

1978

5670Reference

—

1979

6321Reference

—

1980

6999Reference

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Location:

Torque housingReference

Steering clutch housing or instrument panelReference

Final

7502Reference

5850Reference

Electrical

Charging system

alternatorReference

—

Battery volts

12Reference

—

Allis Chalmers 175 Height

Hood

151 cmReference

—

Exhaust

231 cmReference

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Test results

Fuel use

18.2 l/hourReference

—

Max pull

3118 kgReference

8634 kgReference

Speeds

HD9 Serial Numbers

1950

—

1Reference

1951

—

2Reference

1952

—

738Reference

1953

—

1883Reference

1954

—

3591Reference

1955

—

5209Reference

Allis Chalmers HD9 Tracks

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.