Embed

Paste on your site — shows live UK/US specs and links back here. Free to use.

<iframe src="https://farmfleetspecs.com/embed/allis-chalmers-18-30" width="100%" height="430" loading="lazy" style="border:1px solid #e6e8e4;border-radius:14px;max-width:560px" title="Allis Chalmers 18-30 specs — FarmFleetSpecs"></iframe>

Tractor · 1918Unverified

Allis Chalmers 18-30

Name: Allis Chalmers 18-30
Brand: Allis Chalmers

Allis Chalmers 18-30 — Standard-tread tractor · 18 hp. Reference specifications; pending source verification.

The Allis Chalmers 18-30 is a tractor with an approximate engine rating of 18 hp, situated at the lower end of its power class. It was manufactured from 1918 to 1921. The tractor features a 4-cylinder, petrol, liquid-cooled engine paired with a 2-speed gearbox and two-wheel drive. Its listed operating weight is 2789 kg, and it is capable of operating on areas of up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

18 hp

Max power

15.3 kW

Weight

2789 kg

Catalogue coverage

Variants represented

Richest spec table

55 rows

Recorded power

18 hp

Recorded weight

2789 kg

Transmissions

2-speed unsynchronized gear

Production years

1918-1921

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerAllis ChalmersReference

Standard-tread tractorReference

Built in West Allis, Wisconsin, USAReference

Total built1160Reference

Original price was $1,785 in 1919Reference

Originally named the Allis-Chalmers 15-30, the tractor was renamed 18-30 after the first Nebraska test.Reference

Two-wheel driveReference

Open operator station.Reference

Engine

Allis Chalmers 7.6L 4-cyl gasolineReference

Fuel tank94.6 LReference

Aux. fuel29.3 LReference

Drawbar (claimed)13.4 kWReference

Belt (claimed)22.4 kWReference

Plows3Reference

Drawbar (tested)15.3 kWReference

Belt (tested)24.9 kWReference

Allis ChalmersReference

gasolineReference

4-cylinderReference

liquid-cooled vertical valve-in-headReference

Displacement7.6 LReference

Bore/Stroke121 x 165 mmReference

Fuel systemKingston L 1.5" carburetorReference

Air cleaneroil bathReference

Rated RPM830Reference

Coolant capacity37.9 LReference

Belt power (max)24.9 kWReference

Max power15.3 kWReference

Transmission

2-speed unsynchronized gearReference

Typeunsynchronized gearReference

Gears2 forward and 1 reverseReference

Clutchhand-operated expanding shoeReference

Dimensions

Weight2789 kgReference

Front tire36x6Reference

Rear tire50x12Reference

Ag front36x6 steelReference

Ag rear50x12 steelReference

Length342 cmReference

Width167 cmReference

Height172 cmReference

18-30 Serial Numbers

Location:front of shifter on transmission caseReference

19195000Reference

19195006Reference

19205161Reference

19216015Reference

1922????Reference

FAQ: How to read a serial number table.Reference

Capacities

Diameter33 cmReference

Width21 cmReference

RPM930Reference

Test results

Gasoline 2-speed 2WDAugust 23 - September 6, 1920Link: Nebraska Tractor Test 55 fileReference

Belt fuel use (max)17.4 l/hourReference

Drawbar performanceReference

Fuel use13.2 l/hourReference

Max pull1587 kgReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

Partner tool · Free

Working out if you can afford this tractor?

YourIncomeCalculator.com — free, HMRC-aligned take-home pay, self-employment & VAT calculators. No sign-up.

Calculate your take-home pay

Recommended kit

Handy kit for owners

Popular tractor and farm accessories owners pick up for machines like this.

Disclosure: some links on this page are affiliate links. If you buy through them we may earn a small commission — at no extra cost to you. Learn more.