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Tractor · 1955Unverified

International Harvester 300

Name: International Harvester 300
Brand: International Harvester

International Harvester 300 — Utility tractor · 38 hp. Reference specifications; pending source verification.

The International Harvester 300 is a compact tractor rated at 38 hp, featuring a 4-cylinder petrol liquid-cooled engine. It was manufactured from 1955 to 1956, with a listed weight of 1956 kg. The 300 operates through a two-wheel drive system with a powershift transmission. It is suitable for jobs 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

38 hp

Max power

27.9 kW

Weight

1956 kg

Catalogue coverage

Variants represented

Richest spec table

91 rows

Recorded power

38 hp

Recorded weight

1956 kg

Transmissions

5-speed sliding gear

Production years

1955-1956

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

Utility tractorReference

Total built59,928 (total)Reference

Total built30,851 (IH)Reference

Total built29,077 (Farmall)Reference

Original price was $2,900 in 1956Reference

The 3 millionth International Harvester built tractor was an IH 300 utility, serial number 501, on April 5, 1955.Reference

Two-wheel driveReference

Differential mechanical disc brakesReference

Open operator station.Reference

Variants

Farmall 300row-crop tractorReference

Engine

International Harvester 2.8L 4-cyl gasolineReference

International Harvester 2.8L 4-cyl LP gasReference

Plows3-bottomReference

Drawbar (tested)28.6 kWReference

Belt (tested)31.8 kWReference

International Harvester C169Reference

gasolineReference

4-cylinderReference

liquid-cooledReference

Displacement2.8 LReference

Bore/Stroke90 x 108 mmReference

Compression6.6:1Reference

Rated RPM2000Reference

Idle RPM900-2000Reference

Starter volts6Reference

Oil capacity5.7 LReference

Coolant capacity15.1 LReference

LP gasReference

Air cleaneroil bathReference

Compression8.75:1Reference

Rated RPM1750Reference

Starter volts12Reference

Belt power (max)30.8 kWReference

Max power27.9 kWReference

Belt power (max)31.8 kWReference

Max power28.6 kWReference

Transmission

5-speed sliding gearReference

10-speed two-speed power shiftReference

ManufacturerInternational HarvesterReference

Typesliding gearReference

Gears5 forward and 1 reverseReference

Clutchdry discReference

TransmissionInternational Harvestor Torque AmplifierReference

Typetwo-speed power shiftReference

Gears10 forward and 2 reverseReference

Capacities

Fuel42.6 LReference

PTO & Hydraulics

Hydraulic system12.3 LReference

Capacity12.3 LReference

TypeIH Fast HitchReference

Rear PTOtransmissionReference

Rear PTOindependent (with TA)Reference

Rear PTO Type540Reference

Dimensions

Wheelbase190 cmReference

Weight1956 kgReference

Front tire5.50-16Reference

Rear tire10-28Reference

Ag front5.50-16Reference

Ag rear10-28Reference

Ag front6.00-16Reference

Ag rear12-24Reference

Ag rear13-24Reference

Ag rear14-24Reference

Ag rear11-28Reference

Ag rear12-28Reference

Length302 cmReference

Width165 cmReference

Height (steering wheel)149 cmReference

Operating weight1956 kgReference

Ballasted weight2995 kgReference

Ground clearance52 cmReference

International Harvester 300 attachments

front-end loaderReference

300 Serial Number Location

Serial number plate attached to the tractor's clutch housingReference

300 Serial Numbers

1955501Reference

195620219Reference

Final33664Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundpositiveReference

Battery volts6Reference

Battery volts12 (LP gas)Reference

Test results

NTTL 539: gasoline 2WD Torque AmplifierReference

NTTL 574: LP gas Torque Amplifier 2WDReference

Gasoline 2WD Torque AmplifierMay 5 - 10, 1955Link: Nebraska Tractor Test 539 fileReference

Belt fuel use (max)15.1 l/hourReference

Drawbar performanceReference

Gear 3 used for power test.Reference

Max pull1986 kgReference

Gear 1 used for pull test.Reference

LP gas Torque Amplifier 2WDMay 16 - June 1, 1956Link: Nebraska Tractor Test 574 fileReference

Belt fuel use (max)17.8 l/hourReference

Gear 1 used for power 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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