Compare/Allis Chalmers D-12 vs Allis Chalmers HD-4

Allis Chalmers D-12 vs Allis Chalmers HD-4

Verdict: Allis Chalmers D-12 vs Allis Chalmers HD-4

The Allis Chalmers D-12 and the Allis Chalmers HD-4 are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers HD-4 leads on rated power with 52 hp against 39 hp. Allis Chalmers D-12 is the lighter machine (1,451 kg vs 3,855 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers HD-4 holds more fuel (68.1 L vs 47.3 L) for longer stints between fills. Allis Chalmers HD-4 is the newer design (1966 vs 1959). In short: choose the Allis Chalmers HD-4 for outright pulling power, or the Allis Chalmers D-12 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

39 hp

52 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

Allis D12 with 10x24 rear tires.Reference

liquid-cooledReference

Drive

—

crawlerReference

Engine

Fuel tank

47.3 LReference

68.1 LReference

Engine (net)

29.1 kWReference

—

Drawbar (claimed)

22.8 kWReference

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Displacement

2.4 LReference

3.3 LReference

Bore/Stroke

89 x 98 mmReference

99 x 108 mmReference

Power (net)

29.1 kWReference

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Air cleaner

oil bathReference

dryReference

Compression

7.5:1Reference

16.25:1Reference

Rated RPM

1650Reference

2100Reference

Torque

185.8 NmReference

191.9 NmReference

Firing order

1-2-4-3Reference

—

Starter volts

12Reference

Oil capacity

4.3 LReference

11.6 LReference

Coolant capacity

7.6 LReference

15.1 LReference

Engine (gross)

—

38.8 kWReference

Power (gross)

—

38.8 kWReference

Torque RPM

—

1600Reference

Starter

—

electricReference

Transmission

Gears

4 forward and 1 reverseReference

3 forward and reverseReference

Clutch

—

hydraulic discReference

PTO & Hydraulics

PTO (claimed)

26.3 kWReference

—

Type

sliding gearReference

torque converterReference

Pressure

103.4 barReference

112.0 barReference

Valves

1 or 2Reference

—

Pump flow

13.5 lpmReference

94.6 lpmReference

Rear Type

IReference

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Rear PTO Type

540Reference

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Engine RPM

540@1650Reference

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Dimensions

Wheelbase

200 cmReference

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Weight

1136 kgReference

3855 kgReference

Ag front

6.00x16Reference

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Ag rear

12.4x24Reference

—

Length

307 cmReference

276 cmReference

Height (hood)

133 cmReference

187 cmReference

Height (exhaust)

194 cmReference

—

Shipping weight

1451 kgReference

—

Clearance (front axle)

53 cmReference

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Clearance (rear axle)

55 cmReference

—

Front tread

125 to 203 cmReference

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Rear tread

132 to 201 cmReference

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Clearance (drawbar)

—

25 cmReference

Gauge

—

129 cmReference

Allis Chalmers D-12 attachments

Capacities

RPM

1220Reference

—

Speed

779.07 meters/minReference

—

Attachment overview

Allis-Chalmers Mark I Backhoe

Backhoe type

Allis-Chalmers Mark TEN BackhoeReference

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Transport height

322 cmReference

—

Digging depth

304 cmReference

—

Reach from pivot

426 cmReference

—

Loading height

281 cmReference

—

Swing Arc

200°Reference

—

Allis-Chalmers Mark TEN Backhoe

Speeds

Variants

H-4

—

gasolineReference

HD-4

—

dieselReference

HD-4 Loader

—

loader-crawlerReference

HD-4 Serial Numbers

Location:

—

Serial number on the front of the crawler, below the grill.Reference

Allis Chalmers HD-4 Tracks

Width

—

154 cmReference

Length on ground

—

161 cmReference

Area on ground

—

0.5 m²Reference

Long-track width

—

30 cmReference

Long-track length on ground

—

177 cmReference

Long-track area on ground

—

0.5 m²Reference

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.