Compare/Allis Chalmers I400 vs Allis Chalmers IB

Allis Chalmers I400 vs Allis Chalmers IB

Verdict: Allis Chalmers I400 vs Allis Chalmers IB

The Allis Chalmers I400 and the Allis Chalmers IB are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers I400 leads on rated power with 41 hp against 23 hp. Allis Chalmers I400 is the newer design (1966 vs 1939). In short: choose the Allis Chalmers I400 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

41 hp

23 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

liquid-cooledReference

Second engine, used until 1943, SN 64500Reference

Total built

—

2,850Reference

Steering

—

manualReference

Engine

30.3 kWReference

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Displacement

2.4 LReference

1.9 LReference

Bore/Stroke

89 x 98 mmReference

83 x 89 mmReference

Power

30.3 kWReference

—

Compression

7.5:1Reference

5.75:1Reference

Rated RPM

2000Reference

1400Reference

Firing order

1-2-4-3Reference

Belt (claimed)

—

17.1 kWReference

Air cleaner

—

oil bathReference

Starter volts

—

6Reference

Oil capacity

—

5.7 LReference

Sparkplug gap

—

0.762 mmReference

Point gap

—

0.508 mmReference

Intake valve clearance

—

0.254 mmReference

Exhaust valve clearance

—

0.254 mmReference

Coolant capacity

—

7.6 LReference

PTO & Hydraulics

Pressure

155.1 barReference

—

Pump flow

56.8 lpmReference

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Dimensions

Weight

1134 kgReference

—

Front tire

7.50x16Reference

—

Rear tire

14.9x24Reference

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Industrial front

7.50x16Reference

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Industrial rear

14.9x24Reference

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Allis Chalmers I400 attachments

I400 Serial Numbers

1966

1003Reference

—

1967

1281Reference

—

1968

1495Reference

—

Final

1750Reference

—

Attachment overview

Allis Chalmers Backhoe

Backhoe type

Allis Chalmers BackhoeReference

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Transport height

340 cmReference

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Digging depth

398 cmReference

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Reach from pivot

482 cmReference

—

Loading height

266 cmReference

—

Swing Arc

190°Reference

—

Variants

—

farm tractorReference

Transmission

Type

—

non-synchronized gearReference

Gears

—

3 forward and 1 reverseReference

Clutch

—

dryReference

Oil type

—

[0oC]Reference

32oF [0oC]↑

—

: SAE140Reference

32oF [0oC]↓

—

: SAE90Reference

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.