International Harvester W-450 tractor specifications

1956 - 1958

1956 - 1958 Standard-tread tractor

Production

Production Manufacturer:International Harvester
Type:Standard-tread tractor
Factory:Rock Island, Illinois, USA

Variants

Variants 450:row-crop
W-450:standard-front
400 Hi-Clear:high-crop

1956 - 1958

Row-Crop tractor

Production

Production
Manufacturer:	Farmall (a part of International Harvester)
Type:	Row-Crop tractor
Total built:	18,305

Variants

Variants
450:	row-crop
W-450:	standard-front
450 Hi-Clear:	high-crop

Farmall 450 Power

Farmall 450 Power
Drawbar (claimed):	35-39 hp 26.1 kW
PTO (claimed):	43-48 hp 32.1 kW
Drawbar (tested):	51.25 hp 38.2 kW
Belt (tested):	55.28 hp 41.2 kW
power test details ...

Farmall 450 Engines

Farmall 450 Engines
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 gal 79.5 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	power assist
Brakes:	mechanical disc
Cab:	Open operator station.
Transmission:	10-speed partial power shift
Transmission details ...

Hydraulics

Hydraulics
Type:	Hydra-Touch
Valves:	1 to 3

Tractor hitch

Tractor hitch
Type:	IH Fast Hitch

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	transmission
	independent (optional)
Rear RPM:	540

Dimensions & Tires

Dimensions & Tires
Wheelbase:	95.75 inches 243 cm
Weight:	6,519 lbs 2957 kg
Front tire:	6.00-16
Rear tire:	13.6-38
Full dimensions and tires ...

450 Serial Numbers

450 Serial Numbers
Location:	Serial number plate on the left side of the Farmall 450 clutch housing.
photo of 450 serial number
1956:	501
1957:	1734
1958:	21871
how to read serial numbers...

Belt Pulley

Belt Pulley
Diameter:	11 inches 27 cm
Width:	7 inches 17 cm
RPM:	899
Speed:	2588 ft/min 788.82 meters/min

International Harvester W-450 Power

International Harvester W-450 Power Drawbar (claimed):34-37 hp
25.4 kW
PTO (claimed):41-46 hp
30.6 kW
Drawbar (tested):47.30 hp
35.3 kW
Belt (tested):51.94 hp
38.7 kW
power test details ...

1956 - 1958

Standard-tread tractor

Nebraska Tractor Test 533

Nebraska Tractor Test 533
Gasoline Torque Amplifier 2WD March 28 - April 8, 1955 Link: Nebraska Tractor Test 533 file
Belt power (max):	51.94 hp 38.7 kW
Belt fuel use (max):	4.4 gal/hour 16.7 l/hour
Drawbar performance
Max power:	45.84 hp 34.2 kW
Gear 3 used for power test.
Max pull:	6,361 lbs 2885 kg
Gear 1 used for pull test.

Nebraska Tractor Test 535

Nebraska Tractor Test 535
Diesel Torque Amplifier 2WD April 8 - 20, 1955 Link: Nebraska Tractor Test 535 file
Belt power (max):	46.61 hp 34.8 kW
Belt fuel use (max):	3.4 gal/hour 12.9 l/hour
Drawbar performance
Max power:	41.20 hp 30.7 kW
Gear 3 used for power test.
Max pull:	6,476 lbs 2937 kg
Gear 1 used for pull test.

Nebraska Tractor Test 572

Nebraska Tractor Test 572
LP gas Torque Amplifier 2WD May 9 - 25, 1956 Link: Nebraska Tractor Test 572 file
Belt power (max):	50.72 hp 37.8 kW
Belt fuel use (max):	5.7 gal/hour 21.6 l/hour
Drawbar performance
Max power:	47.30 hp 35.3 kW
Gear 3 used for power test.
Max pull:	6,684 lbs 3031 kg
Gear 1 used for pull test.

International Harvester W-450 Engines

International Harvester W-450 Engines 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 gal
79.5 L
Engine details ...

1956 - 1958

Standard-tread tractor

Engines overview

Engines overview
International Harvester 4.6L 4-cyl gasoline
International Harvester 4.6L 4-cyl diesel
International Harvester 4.6L 4-cyl LP gas

Engine Detail

Engine Detail
International Harvester
gasoline
4-cylinder
liquid-cooled vertical I-head
Displacement:	281 ci 4.6 L
Bore/Stroke:	4.125x5.25 inches 105 x 133 mm
Compression:	6.6:1
Rated RPM:	1450
Starter volts:	6
Coolant capacity:	28 qts 26.5 L

Engine Detail

Engine Detail
International Harvester
diesel
4-cylinder
liquid-cooled vertical I-head
Displacement:	281 ci 4.6 L
Bore/Stroke:	4.125x5.25 inches 105 x 133 mm
Compression:	17.45:1
Rated RPM:	1450
Starter volts:	12

Engine Detail

Engine Detail
International Harvester
LP gas
4-cylinder
liquid-cooled vertical I-head
Displacement:	281 ci 4.6 L
Bore/Stroke:	4.125x5.25 inches 105 x 133 mm
Compression:	8.35:1
Rated RPM:	1450
Starter volts:	6