Compare/Allis Chalmers 175 vs Allis Chalmers HD6

Allis Chalmers 175 vs Allis Chalmers HD6

Verdict: Allis Chalmers 175 vs Allis Chalmers HD6

The Allis Chalmers 175 and the Allis Chalmers HD6 are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 175 leads on rated power with 62 hp against 57 hp. Allis Chalmers 175 is the lighter machine (3,551 kg vs 12,400 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 1955). In short: choose the Allis Chalmers 175 for outright pulling power, or the Allis Chalmers HD6 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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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

62 hp

57 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

—

Original price

$15,894Reference

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Steering

hydrostatic powerReference

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Drive

—

crawlerReference

Engine

Drawbar (tested)

40.3 kWReference

37.2 kWReference

Displacement

3.7 LReference

5.6 LReference

Bore/Stroke

102 x 114 mmReference

113 x 141 mmReference

Air cleaner

dryReference

—

Compression

8.2:1Reference

15.0:1Reference

Rated RPM

1800Reference

Starter volts

12Reference

24Reference

Oil capacity

22.7 LReference

18.9 LReference

Coolant capacity

14.2 LReference

Power at rated engine speed

45.4 kWReference

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Max power

38.6 kWReference

37.2 kWReference

Fuel tank

—

151.4 LReference

Engine (net)

—

42.5 kWReference

Drawbar (claimed)

—

33.6 kWReference

Belt (claimed)

—

41.0 kWReference

Belt (tested)

—

45.1 kWReference

Power (net)

—

42.5 kWReference

Belt power (max)

—

45.1 kWReference

Transmission

Allis-Chalmers Power DirectorReference

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Type

partial power shiftReference

power shiftReference

Gears

8 forward and 2 reverseReference

2 forward and 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

12400 to 13400 poundsReference

Front tire

6.50-16Reference

—

Rear tire

16.9-28Reference

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Ag front

9.5L-15Reference

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Ag rear

18.4-28Reference

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Length

346 cmReference

322 cmReference

Width

194 cmReference

199 cmReference

Clearance (front axle)

54 cmReference

—

Clearance (drawbar)

40 cmReference

—

Front tread

134 to 198 cmReference

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Rear tread

134 to 236 cmReference

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Steering wheel

171 cmReference

—

Height

—

167 cmReference

Shipping weight

—

5624 kgReference

Operating weight

—

6078 kgReference

Gauge

—

152 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

Serial number stamped on the rear of steering clutch housing or on the instrument panel. (upper-right)Reference

Final

7502Reference

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Electrical

Charging system

alternatorReference

—

Battery volts

12Reference

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Allis Chalmers 175 Height

Hood

151 cmReference

—

Exhaust

231 cmReference

—

Test results

Fuel use

18.2 l/hourReference

—

Max pull

3118 kgReference

5731 kgReference

Belt fuel use (max)

—

20.1 l/hourReference

Speeds

Variants

HD6A

—

44-inch gaugeReference

HD6B

—

60-inch gaugeReference

HD6E

—

5-rollerReference

HD6G

—

loaderReference

HD6EP

—

power shiftReference

HD6AG

—

turbochargedReference

HD6 Serial Numbers

1955

—

101Reference

1956

—

1147Reference

1957

—

6466Reference

1958

—

7948Reference

1959

—

10054Reference

1960

—

12506Reference

1961

—

13777Reference

1962

—

14898Reference

1963

—

16042Reference

1964

—

17105Reference

1965

—

18189Reference

Allis Chalmers HD6 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.