International Harvester

International Harvester W-400

The International Harvester W-400 started as the International 400. In June of 1955 a decision was made to rename it the W-400, bringing the name closer to the "W" series McCormick tractors it replaced. It was produced from 1955 to 1956 with a total of 2,070 gas/LP and 1,118 diesel units built. The tractor features a 4.3L 4-cylinder engine available in gasoline, diesel, and LP gas versions, with power ratings around 53.9 hp estimated. It has a 5-speed sliding gear transmission or a 10-speed partial power shift with a torque amplifier. The W-400 is a two-wheel drive tractor with hydraulic power steering and mechanical disc brakes, and an open operator station. It has an independent rear PTO with a 540 rpm type. Dimensions include a length of 130 inches, width of 76 inches, and height of 93.5 inches, with operating weights ranging from 6,158 to 6,550 pounds depending on the engine type.

Power53 hp[P]

Founded1955 - 1956

ModelW-400

View Images

Technical Specifications

Detailed specifications and technical data for International Harvester W-400

Power

Belt (tested)	51.94 hp (38.7 kW)
PTO (claimed)	48.5 hp (36.2 kW)
Drawbar (tested)	47.30 hp (35.3 kW)
Drawbar (claimed)	43.8 hp (32.7 kW)

Engine

Fuel tank	18 gal (gas/diesel) (68.1 L), 31 gal (LP) (117.3 L)
Diesel engine	4-cylinder, liquid-cooled vertical I-head, Displacement 264 ci (4.3 L), Bore/Stroke 4.00x5.25 inches (102 x 133 mm), Compression 16.5:1, Rated RPM 1450, Firing order 1-3-4-2, Starter volts 12, Coolant capacity 29 qts (27.4 L)
LP gas engine	4-cylinder, liquid-cooled vertical I-head, Displacement 264 ci (4.3 L), Bore/Stroke 4.00x5.25 inches (102 x 133 mm), Compression 8.33:1, Rated RPM 1450, Firing order 1-3-4-2, Starter volts 12, Coolant capacity 27 qts (25.6 L)
Engine options	International Harvester 4.3L 4-cyl gasoline, International Harvester 4.3L 4-cyl diesel, International Harvester 4.3L 4-cyl LP gas
Gasoline engine	4-cylinder, liquid-cooled vertical I-head, Displacement 264 ci (4.3 L), Bore/Stroke 4.00x5.25 inches (102 x 133 mm), Compression 6.3:1, Rated RPM 1450, Firing order 1-3-4-2, Starter volts 6, Coolant capacity 27 qts (25.6 L)

Variants

400	Row-crop version (Farmall)

Mechanical

Drive	Two-wheel drive
Brakes	Mechanical disc brakes
Steering	hydraulic power
Operator station	Open operator station

Production

Notes	The International W-400 started as the International 400. In June of 1955 a decision was made to rename it the W-400, bringing the name closer to the "W" series McCormick tractors it replaced.
Total built	2,070 (gas/LP), 1,118 (diesel)
Manufacturer	International Harvester
Original price	$3,400 (1956)
Production years	1955 - 1956

Transmission

Type	sliding gear
Gears	5 forward and 1 reverse
Manufacturer	International Harvester
Torque Amplifier	International Harvester Torque Amplifier, partial power shift, 10 forward and 2 reverse gears, uses a planetary gearset to provide a shift between direct-drive (DD) and the TA underdrive
Transmission options	5-speed sliding gear, 10-speed partial power shift

Serial Numbers

1954	501
1955	510
1956	2187
Final	3858

Dimensions & Tires

Width	76 inches (193 cm)
Height	93.5 inches (237 cm)
Length	130 inches (330 cm)
Weight	6158 to 6550 pounds
Ag rear	15.00-30
Ag front	6.50-18
Rear tire	15.00-30
Front tire	6.50-18
Ballasted weight	10,453 lbs (4741 kg)
Operating weight gas	6,158 lbs (2793 kg)
Operating weight diesel	6,550 lbs (2971 kg)