Compare/Allis Chalmers 185 vs Allis Chalmers HD15

Allis Chalmers 185 vs Allis Chalmers HD15

Verdict: Allis Chalmers 185 vs Allis Chalmers HD15

The Allis Chalmers 185 and the Allis Chalmers HD15 are both tractors — here is how they stack up on the figures that matter. Allis Chalmers HD15 leads on rated power with 82 hp against 75 hp. Allis Chalmers 185 is the lighter machine (3,043 kg vs 27,850 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 185 is the newer design (1970 vs 1951). In short: choose the Allis Chalmers HD15 for outright pulling power, or the Allis Chalmers 185 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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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

75 hp

82 hp

Confidence

40%

Guide price

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Overview

Manufacturer

Allis ChalmersReference

With 18.4-28 rear tires.Reference

Gear 1 used for pull test.Reference

Total built

14,961Reference

3,909Reference

Original price

$18,891Reference

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Drive

—

crawlerReference

Steering

—

9.5 LReference

Engine

Drawbar (tested)

47.6 kWReference

77.9 kWReference

Displacement

4.9 LReference

7.0 LReference

Bore/Stroke

98 x 108 mmReference

108 x 127 mmReference

Compression

16.25:1Reference

16.0:1Reference

Rated RPM

2200Reference

1600Reference

Firing order

1-5-3-6-2-4Reference

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Starter volts

12Reference

Oil capacity

25.6 LReference

32.2 LReference

Coolant capacity

16.1 LReference

44.5 LReference

Power at rated engine speed

55.8 kWReference

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Max power

47.6 kWReference

77.9 kWReference

Drawbar (claimed)

—

61.1 kWReference

Belt (claimed)

—

78.3 kWReference

Belt (tested)

—

87.8 kWReference

Belt power (max)

—

87.8 kWReference

Transmission

Allis-Chalmers Power DirectorReference

constant meshReference

Gears

8 forward and 2 reverseReference

6 forward and 3 reverseReference

PTO & Hydraulics

PTO (tested)

55.8 kWReference

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Hydraulic system

24.6 LReference

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Type

partial power shiftReference

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Capacity

24.6 LReference

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Valves

2Reference

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Total flow

75.7 lpmReference

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Rear Type

IIReference

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Rear PTO

continuousReference

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Rear PTO Type

540/1000Reference

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Power at rated PTO speed

52.7 kWReference

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Capacities

Fuel

93.1 LReference

346.3 LReference

Diameter

—

45 cmReference

RPM

—

693Reference

Speed

—

995.48 meters/minReference

Dimensions

Wheelbase

251 cmReference

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Weight

3043 kgReference

27850 to 30895 poundsReference

Front tire

7.50-16Reference

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Rear tire

16.9-28Reference

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Ag front

10.00-16Reference

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Ag rear

18.4-30Reference

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Length

401 cmReference

459 cmReference

Width

194 cmReference

245 cmReference

Clearance (front axle)

52 cmReference

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Clearance (rear axle)

83 cmReference

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Front tread

134 to 195 cmReference

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Rear tread

147 to 236 cmReference

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Operating

3043 kgReference

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Ballasted

4263 kgReference

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Steering wheel

194 cmReference

—

Height

—

241 cmReference

Shipping weight

—

12632 kgReference

Operating weight

—

14013 kgReference

Ground clearance

—

36 cmReference

Gauge

—

187 cmReference

Allis Chalmers 185 attachments

185 Serial Numbers

1970

1001Reference

—

1971

1952Reference

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1972

2935Reference

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1973

3763Reference

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1974

4961Reference

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1975

6542Reference

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1976

8292Reference

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1977

10003Reference

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1978

11631Reference

—

1979

13160Reference

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1980

14672Reference

—

1981

15648Reference

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Location:

Torque housingReference

Steering clutch housing or instrument panelReference

Final

15961Reference

3909Reference

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

—

Charging amps

55Reference

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Allis Chalmers 185 Height

Hood

155 cmReference

—

Exhaust

242 cmReference

—

Test results

Fuel use

18.5 l/hourReference

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Max pull

3432 kgReference

13335 kgReference

Speeds

HD15 Serial Numbers

1950

—

1Reference

1951

—

2Reference

1952

—

811Reference

1953

—

1858Reference

1954

—

2856Reference

1955

—

3685Reference

Allis Chalmers HD15 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.