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Tractor · 1956Unverified

International Harvester W-450

Name: International Harvester W-450
Brand: International Harvester

International Harvester W-450 — Standard-tread tractor · 46 hp. Reference specifications; pending source verification.

The International Harvester W-450 is a tractor with a rating of approximately 46 hp, positioning it at the lighter end of its class. It was produced from 1956 to 1958. The tractor features a 4-cylinder diesel liquid-cooled engine, paired with a powershift transmission and two-wheel drive. Its operating weight is specified at 2594 kg, suitable for operations covering up to 200 ac.

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

Rated power

46 hp

Max power

34.2 kW

Weight

2594 kg

Catalogue coverage

Variants represented

Richest spec table

73 rows

Recorded power

46 hp

Recorded weight

2594 kg

Transmissions

10-speed two-speed power shift

Production years

1956-1958

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

Built in Rock Island, Illinois, USAReference

Two-wheel driveReference

Open operator station.Reference

Variants

450row-cropReference

W-450standard-frontReference

400 Hi-Clearhigh-cropReference

Engine

International Harvester 4.6L 4-cyl gasolineReference

International Harvester 4.6L 4-cyl dieselReference

International Harvester 4.6L 4-cyl LP gasReference

Fuel tank79.5 LReference

Drawbar (claimed)25.4 kWReference

Drawbar (tested)35.3 kWReference

Belt (tested)38.7 kWReference

International HarvesterReference

gasolineReference

4-cylinderReference

liquid-cooled vertical I-headReference

Displacement4.6 LReference

Bore/Stroke105 x 133 mmReference

Compression6.6:1Reference

Rated RPM1450Reference

Starter volts6Reference

Coolant capacity26.5 LReference

dieselReference

Compression17.45:1Reference

Starter volts12Reference

LP gasReference

Compression8.35:1Reference

Belt power (max)38.7 kWReference

Max power34.2 kWReference

Belt power (max)34.8 kWReference

Max power30.7 kWReference

Belt power (max)37.8 kWReference

Max power35.3 kWReference

Transmission

10-speed two-speed power shiftReference

TransmissionTorque AmplifierReference

Typetwo-speed power shiftReference

Gears10 forward and 2 reverseReference

PTO & Hydraulics

PTO (claimed)30.6 kWReference

Rear PTOindependentReference

Rear PTO Type540Reference

Dimensions

Wheelbase208 cmReference

Weight2594 kgReference

Front tire6.00-16Reference

Rear tire15.5-38Reference

Ag front6.00-16Reference

Ag rear15.5-38Reference

Length330 cmReference

Width213 cmReference

Height241 cmReference

Shipping weight2594 kgReference

W-450 Serial Numbers

1956501Reference

1957567Reference

19581661Reference

Final2295Reference

FAQ: How to read a serial number table.Reference

Test results

NTTL 533: gasoline Torque Amplifier 2WDReference

NTTL 535: diesel Torque Amplifier 2WDReference

NTTL 572: LP gas Torque Amplifier 2WDReference

Gasoline Torque Amplifier 2WDMarch 28 - April 8, 1955Link: Nebraska Tractor Test 533 fileReference

Belt fuel use (max)16.7 l/hourReference

Drawbar performanceReference

Gear 3 used for power test.Reference

Max pull2885 kgReference

Gear 1 used for pull test.Reference

Diesel Torque Amplifier 2WDApril 8 - 20, 1955Link: Nebraska Tractor Test 535 fileReference

Belt fuel use (max)12.9 l/hourReference

Max pull2937 kgReference

LP gas Torque Amplifier 2WDMay 9 - 25, 1956Link: Nebraska Tractor Test 572 fileReference

Belt fuel use (max)21.6 l/hourReference

Max pull3031 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.

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