Compare/Allis Chalmers D-12 vs Allis Chalmers IB

Allis Chalmers D-12 vs Allis Chalmers IB

Verdict: Allis Chalmers D-12 vs Allis Chalmers IB

The Allis Chalmers D-12 and the Allis Chalmers IB are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers D-12 leads on rated power with 39 hp against 23 hp. Allis Chalmers D-12 is the newer design (1959 vs 1939). In short: choose the Allis Chalmers D-12 for outright pulling power, or the Allis Chalmers IB 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

23 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

Allis D12 with 10x24 rear tires.Reference

Second engine, used until 1943, SN 64500Reference

Total built

—

2,850Reference

Steering

—

manualReference

Engine

Fuel tank

47.3 LReference

—

Engine (net)

29.1 kWReference

—

Drawbar (claimed)

22.8 kWReference

—

Displacement

2.4 LReference

1.9 LReference

Bore/Stroke

89 x 98 mmReference

83 x 89 mmReference

Power (net)

29.1 kWReference

—

Air cleaner

oil bathReference

Compression

7.5:1Reference

5.75:1Reference

Rated RPM

1650Reference

1400Reference

Torque

185.8 NmReference

—

Firing order

1-2-4-3Reference

Starter volts

12Reference

6Reference

Oil capacity

4.3 LReference

5.7 LReference

Coolant capacity

7.6 LReference

Belt (claimed)

—

17.1 kWReference

Sparkplug gap

—

0.762 mmReference

Point gap

—

0.508 mmReference

Intake valve clearance

—

0.254 mmReference

Exhaust valve clearance

—

0.254 mmReference

Transmission

Gears

4 forward and 1 reverseReference

3 forward and 1 reverseReference

Clutch

—

dryReference

Oil type

—

[0oC]Reference

32oF [0oC]↑

—

: SAE140Reference

32oF [0oC]↓

—

: SAE90Reference

PTO & Hydraulics

PTO (claimed)

26.3 kWReference

—

Type

sliding gearReference

non-synchronized gearReference

Pressure

103.4 barReference

—

Valves

1 or 2Reference

—

Pump flow

13.5 lpmReference

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Rear Type

IReference

—

Rear PTO Type

540Reference

—

Engine RPM

540@1650Reference

—

Dimensions

Wheelbase

200 cmReference

—

Weight

1136 kgReference

—

Ag front

6.00x16Reference

—

Ag rear

12.4x24Reference

—

Length

307 cmReference

—

Height (hood)

133 cmReference

—

Height (exhaust)

194 cmReference

—

Shipping weight

1451 kgReference

—

Clearance (front axle)

53 cmReference

—

Clearance (rear axle)

55 cmReference

—

Front tread

125 to 203 cmReference

—

Rear tread

132 to 201 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

—

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

—

farm tractorReference

IB Serial Numbers

1938

—

97Reference

1939

—

11800Reference

1940

—

33502Reference

1941

—

49721Reference

1942

—

56782Reference

1943

—

64501Reference

1944

—

65502Reference

1945

—

70210Reference

1946

—

IB1001Reference

1947

—

IB1003Reference

1948

—

IB1010Reference

1949

—

IB1282Reference

1950

—

IB1556Reference

1951

—

IB1879Reference

1952

—

IB2219Reference

1953

—

IB2570Reference

Location:

—

Serial number stamped behind the gear shift lever, on top of the transmission case.Reference

Electrical

Charging system

—

generatorReference

Battery volts

—

6Reference

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.