Engine Horsepower: 53 hp
Manufactured: 1955 to 1956
International Harvester W-400 Summary
The International Harvester W-400 was produced from 1955 to 1956, with a total of 2,070 gas/LP units and 1,118 diesel units built. It featured a drawbar power of 43.8 hp (claimed) and up to 47.30 hp (tested), with a PTO power of 48.5 hp (claimed). The tractor was available in variants such as the row-crop version, branded as the Farmall 400.

International Harvester W-400 Horsepower, Weight, and Specifications:
Production
Who manufactured and how many units of the International Harvester W-400 were built?
- Manufacturer: International Harvester
- Total built: 2,070 (gas/LP), 1,118 (diesel)
- Original price: $3,400 (1956)
- 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.
Variants
What is the variant of the International Harvester W-400?
- 400: Row-crop (Farmall) version
Horsepower
What is the horsepower of the International Harvester W-400?
- Drawbar (claimed): 43.8 hp / 32.7 kW
- PTO (claimed): 48.5 hp / 36.2 kW
- Drawbar (tested): 47.30 hp / 35.3 kW
- Belt (tested): 51.94 hp / 38.7 kW
Engines
What types of engines are available for the International Harvester W-400?
- International Harvester 4.3L 4-cyl gasoline
- International Harvester 4.3L 4-cyl diesel
- International Harvester 4.3L 4-cyl LP gas
- Fuel tank: 18 gal / 68.1 L (gas/diesel), 31 gal / 117.3 L (LP)
Mechanical
What are the mechanical features of the International Harvester W-400?
- Chassis: 4x2 2WD
- Steering: hydraulic power
- Brakes: mechanical disc
- Cab: Open operator station
- Transmissions: 5-speed sliding gear, 10-speed partial power shift
Power Take-off (PTO)
What are the PTO specifications of the International Harvester W-400?
- Rear PTO: independent
- Rear RPM: 540
Dimensions & Tires
What are the dimensions and tire sizes of the International Harvester W-400?
- Weight: 6158 to 6550 pounds
- Front tire: 6.50-18
- Rear tire: 15.00-30
Disclaimer: The information provided on this page may be less than 100% accurate. Always check the manufacturer's official manual.