International Harvester W-400

International Harvester W-400 Technical Specifications

International Harvester W-400 is a Row-Crop tractor that was produced by the John Deere between 1955 – 1956.

Below you will find detailed technical specifications for International Harvester W-400 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

International Harvester W-400 Production

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.

International Harvester W-400 Power

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

International Harvester W-400 Mechanical

Chassis: 4×2 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)

Rear PTO: independent
Rear RPM: 540

Title serial numbers

Location: Serial plate on the clutch housing, left side of tractor.

photo of W-400 serial number

1954: 501
1955: 510
1956: 2187
Final: 3858

how to read serial numbers…

What year is my International Harvester W-400? Serial Number Decoder

The serial number list shows the first tractor built in each year. The other tractors for that year will have successively higher numbers. Your serial number should be between two of the stated numbers.

The list only includes the numbers of the first tractors produced in each year. Your serial should be somewhere between two numbers.Unless you happen to be the first person to own a tractor, your number will not appear on the list.

International Harvester W-400 Engine detail

Engine Detail
International Harvester
liquid-cooled vertical I-head
Displacement: 264 ci
4.3 L
Bore/Stroke: 4.00×5.25 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

International Harvester W-400 Transmission overview

Engine Oil

Manufacturer: International Harvester
Type: sliding gear
Gears: 5 forward and 1 reverse

International Harvester W-400 Dimensions

Length: 130 inches
330 cm
Width: 76 inches
193 cm
Height: 93.5 inches
237 cm

International Harvester W-400 Weight
Operating: 6,158 lbs
2793 kg (gas)
  6,550 lbs
2971 kg (diesel)
Ballasted: 10,453 lbs
4741 kg

International Harvester W-400 Tests

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.


Is International Harvester W-400 a good tractor?

The International Harvester W-400 is one of the great tractors in the International Harvester stable, and it has earned International Harvester a fantastic reputation.

How much oil does a International Harvester W-400 take?

Check out the International Harvester W-400 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year International Harvester made the W-400?

The International Harvester W-400 was an agricultural tractor model made from 1955 – 1956

Where is the serial number on a International Harvester W-400?

Lookup serial plate on the clutch housing, left side of tractor.

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