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Years in Production / 1956–1958

International Harvester

W-450

Explore the specifications, hardware, and original references for the International Harvester W-450.

International W-450 tractor MD3 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗

45hp

Engine estimate · from PTO

2WD Only

Drive

1956–1958

Production years

International Harvester

Manufacturer

W-450 / 01

At a glance

Overview

1956 - 1958

Standard-tread tractor

Production

Standard-tread tractor

Built in Rock Island, Illinois, USA

Manufacturer
International Harvester

Mechanical

Two-wheel drive

Open operator station.

Pto

Rear Pto
independent
Rear Type
540

W-450 / 02

Under the hood

Engine Detail (Option 1)

International Harvester

gasoline

4-cylinder

liquid-cooled vertical I-head

Displacement
281 ci4.6 L
Bore Stroke
4.125x5.25 inches105 x 133 mm
Compression Ratio
6.6:1
Rated Rpm
1450
Starter Volts
6
Coolant Capacity
28 qts26.5 L
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled vertical I-head

Engine Detail (Option 2)

International Harvester

diesel

4-cylinder

liquid-cooled vertical I-head

Displacement
281 ci4.6 L
Bore Stroke
4.125x5.25 inches105 x 133 mm
Compression Ratio
17.45:1
Rated Rpm
1450
Starter Volts
12
Fuel Type
diesel
Cylinders
4
Cooling
liquid-cooled vertical I-head

Engine Detail (Option 3)

International Harvester

LP gas

4-cylinder

liquid-cooled vertical I-head

Displacement
281 ci4.6 L
Bore Stroke
4.125x5.25 inches105 x 133 mm
Compression Ratio
8.35:1
Rated Rpm
1450
Starter Volts
6
Fuel Type
LP gas
Cylinders
4
Cooling
liquid-cooled vertical I-head

Engine Options

International Harvester 4.6L 4-cyl gasoline

International Harvester 4.6L 4-cyl diesel

International Harvester 4.6L 4-cyl LP gas

Fuel Tank
21 gal79.5 L

Engine Options

International Harvester 4.6L 4-cyl gasoline

International Harvester 4.6L 4-cyl diesel

International Harvester 4.6L 4-cyl LP gas

W-450 / 03

Gears & controls

Transmission

Transmission
Torque Amplifier
Transmission Type
two-speed power shift
Gears
10 forward and 2 reverse

International Harvester W450 Transmission

10-speed two-speed power shift

W-450 / 04

Size. Stance. Footprint.

Dimensions

Length
130 in330 cm
Width
84 in213 cm
Height
95 in241 cm
Wheelbase
82 in208 cm

Dimensions And Tires

Wheelbase
82 inches208 cm
Weight
5720 lbs2594 kg
Front Tire
6.00-16
Rear Tire
15.5-38

Tires And Tracks

Front Ag
6.00-16
Rear Ag
15.5-38

W-450 / 05

Tractor Photos

International W-450 tractor MD3 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗

See it in action

Videos

Watch International Harvester W-450 videos from their original YouTube creators.

Overview of an Antique Tractor - International W450 Gas Rare - Last of the Old Timers

Video by Farming & Agriculture

Watch on YouTube ↗

W-450 / 07

Tests (NTTL)

Tractor Tests

NTTL 533: gasoline Torque Amplifier 2WD

NTTL 535: diesel Torque Amplifier 2WD

NTTL 572: LP gas Torque Amplifier 2WD

Nebraska Tractor Test 533

Gasoline Torque Amplifier 2WDMarch 28 - April 8, 1955

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
533
Belt Power Max
51.94 hp38.7 kW
Belt Fuel Use Max
4.4 gal/hour16.7 l/hour
Max Power
45.84 hp34.2 kW
Max Pull
6,361 lbs2885 kg

Nebraska Tractor Test 535

Diesel Torque Amplifier 2WDApril 8 - 20, 1955

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
535
Belt Power Max
46.61 hp34.8 kW
Belt Fuel Use Max
3.4 gal/hour12.9 l/hour
Max Power
41.20 hp30.7 kW
Max Pull
6,476 lbs2937 kg

Nebraska Tractor Test 572

LP gas Torque Amplifier 2WDMay 9 - 25, 1956

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
572
Belt Power Max
50.72 hp37.8 kW
Belt Fuel Use Max
5.7 gal/hour21.6 l/hour
Max Power
47.30 hp35.3 kW
Max Pull
6,684 lbs3031 kg

International Harvester W-450 · photo 1 / 1

International W-450 tractor MD3

International W-450 tractor MD3 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗