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Tractor · 1917Unverified

International Harvester 15-30

Name: International Harvester 15-30
Brand: International Harvester

International Harvester 15-30 — Standard-tread tractor · 15 hp. Reference specifications; pending source verification.

The International Harvester 15-30 is a tractor model rated at approximately 15 horsepower, categorising it as a lighter model within its class. It was manufactured from 1917 to 1921. The tractor features a 4-cylinder liquid-cooled engine paired with two-wheel drive and a 2-speed gearbox. Its operating weight is listed at 4077 kg, making it suitable for operations 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

15 hp

Max power

19.3 kW

Weight

4077 kg

Catalogue coverage

Variants represented

Richest spec table

47 rows

Recorded power

15 hp

Recorded weight

4077 kg

Transmissions

2-speed gear

Production years

1917-1921

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerInternational HarvesterReference

Standard-tread tractorReference

FactoriesMilwaukee, Wisconsin, USAReference

FactoriesChicago, Illinois, USAReference

Total built6,024Reference

Two-wheel driveReference

Open operator station. Four-post canopy available.Reference

Engine

International Harvester 11.4L 4-cyl keroseneReference

Fuel tank109.8 LReference

Drawbar (claimed)11.2 kWReference

Belt (claimed)22.4 kWReference

Drawbar (tested)19.3 kWReference

Belt (tested)27.5 kWReference

International HarvesterReference

keroseneReference

4-cylinderReference

liquid-cooled horizontal valve-in-headReference

Displacement11.4 LReference

Bore/Stroke133 x 203 mmReference

Rated RPM575Reference

Coolant capacity151.4 LReference

Belt power (max)27.5 kWReference

Max power19.3 kWReference

Transmission

2-speed gearReference

TypegearReference

Gears2 forward and 1 reverseReference

Dimensions

Weight4077 kgReference

Front tire40x7Reference

Rear tire66x14Reference

Ag front40x7 steelReference

Ag rear66x14 steelReference

Length356 cmReference

Width215 cmReference

Height299 cmReference

15-30 Serial Number Location

Serial number plate on the left fender of the Titan 15-30.Reference

15-30 Serial Numbers

1917TV101Reference

1918TV477Reference

1918EC501Reference

1919EC1366Reference

1920EC3018Reference

1921EC4086Reference

FinalEC4906Reference

FAQ: How to read a serial number table.Reference

Test results

Kerosene 2WDJune 14 - 19, 1920Link: Nebraska Tractor Test 24 fileReference

Drawbar performanceReference

Max pull2263 kgReference

Gear 1 used for pull test.Reference

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

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