Compare/Allis Chalmers 18-30 vs Allis Chalmers Styled WC

Allis Chalmers 18-30 vs Allis Chalmers Styled WC

Verdict: Allis Chalmers 18-30 vs Allis Chalmers Styled WC

The Allis Chalmers 18-30 and the Allis Chalmers Styled WC are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. Allis Chalmers Styled WC is the lighter machine (2,700 kg vs 2,789 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 18-30 holds more fuel (94.6 L vs 56.8 L) for longer stints between fills. Allis Chalmers Styled WC is the newer design (1933 vs 1918). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer 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

18 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

Drawbar performanceReference

Operated via gear shift lever and foot clutch.Reference

Total built

1160Reference

3,751 (Speed Patrol)Reference

Original price

—

$1,341 (1947)Reference

Engine

Fuel tank

94.6 LReference

56.8 LReference

Aux. fuel

29.3 LReference

3.8 LReference

Drawbar (claimed)

13.4 kWReference

Belt (claimed)

22.4 kWReference

20.1 kWReference

Plows

3Reference

2Reference

Drawbar (tested)

15.3 kWReference

16.6 kWReference

Belt (tested)

24.9 kWReference

22.3 kWReference

Displacement

7.6 LReference

3.3 LReference

Bore/Stroke

121 x 165 mmReference

102 x 102 mmReference

Fuel system

Kingston L 1.5" carburetorReference

—

Air cleaner

oil bathReference

Rated RPM

830Reference

1300Reference

Coolant capacity

37.9 LReference

13.2 LReference

Belt power (max)

24.9 kWReference

22.3 kWReference

Max power

15.3 kWReference

18.0 kWReference

Compression

—

4.2:1Reference

Firing order

—

1-2-4-3Reference

Starter type

—

electricReference

Sparkplug gap

—

0.762 mmReference

Point gap

—

0.508 mmReference

Intake valve clearance

—

0.254 mmReference

Exhaust valve clearance

—

0.254 mmReference

Oil capacity

—

4.7 LReference

Transmission

Type

unsynchronized gearReference

non-synchronized gearReference

Gears

2 forward and 1 reverseReference

4 forward and 1 reverseReference

Clutch

hand-operated expanding shoeReference

—

Oil type

—

[0oC]Reference

32oF [0oC]↑

—

: SAE140Reference

32oF [0oC]↓

—

: SAE90Reference

Dimensions

Weight

2789 kgReference

2700 to 3792 poundsReference

Front tire

36x6Reference

5.50x16Reference

Rear tire

50x12Reference

11x28Reference

Ag front

36x6 steelReference

5.50x16Reference

Ag rear

50x12 steelReference

11x28Reference

Length

342 cmReference

345 cmReference

Height

172 cmReference

160 cmReference

Clearance (rear axle)

—

73 cmReference

Rear tread

—

165 to 193 cmReference

Shipping

—

1496 kgReference

Operating

—

1720 kgReference

Ballasted

—

2061 kgReference

18-30 Serial Numbers

1919

5006Reference

—

1920

5161Reference

—

1921

6015Reference

—

1922

????Reference

—

Location:

front of shifter on transmission caseReference

—

Capacities

Diameter

33 cmReference

22 cmReference

Width

167 cmReference

193 cmReference

RPM

930Reference

1170Reference

Test results

Belt fuel use (max)

17.4 l/hourReference

11.0 l/hourReference

Fuel use

13.2 l/hourReference

8.0 l/hourReference

Max pull

1587 kgReference

1422 kgReference

Variants

WC Speed Maintainer

—

1938-1941Reference

WC Speed Patrol

—

1945-1950Reference

—

Standard front version (wide)Reference

PTO & Hydraulics

Rear PTO

—

transmissionReference

Rear PTO Type

—

535Reference

WC Serial Number Location

WC Serial Numbers

1933

—

1Reference

1934

—

29Reference

1935

—

3127Reference

1936

—

13870Reference

1937

—

31784Reference

1938

—

60790Reference

1939

—

75216Reference

1940

—

91534Reference

1941

—

103517Reference

1942

—

114534Reference

1943

—

123171Reference

1944

—

127642Reference

1945

—

134624Reference

1946

—

148091Reference

1947

—

152845Reference

1948

—

170174Reference

Final

—

178202Reference

Electrical

Charging system

—

generatorReference

Battery volts

—

6Reference

Battery AH

—

95Reference

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.