International Harvester W-400 Specs ( 1955-1956 )
Production
| Description | 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. |
|---|---|
| Manufacturer | International Harvester |
| Original price | $3,400 (1956) |
| Total built | 2,070 (gas/LP) |
Engine
| Bore/Stroke | 4.00x5.25 inches (102 x 133 mm) / 4.00x5.25 inches (102 x 133 mm) / 4.00x5.25 inches (102 x 133 mm) |
|---|---|
| Compression | 6.3:1 / 16.5:1 / 8.33:1 |
| Coolant capacity | 27 qts (25.6 L) / 29 qts (27.4 L) / 27 qts (25.6 L) |
| Description | International Harvester / gasoline / 4-cylinder / liquid-cooled vertical I-head / International Harvester / diesel / 4-cylinder / liquid-cooled vertical I-head / International Harvester / LP gas / 4-cylinder / liquid-cooled vertical I-head |
| Displacement | 264 ci (4.3 L) / 264 ci (4.3 L) / 264 ci (4.3 L) |
| Firing order | 1-3-4-2 / 1-3-4-2 / 1-3-4-2 |
| Rated RPM | 1450 / 1450 / 1450 |
| Starter volts | 6 / 12 / 12 |
| Engine type | International Harvester 4.3L 4-cyl gasoline / International Harvester 4.3L 4-cyl diesel / International Harvester 4.3L 4-cyl LP gas |
| Engine type | 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 (gas/diesel) (68.1 L) |
| Belt (tested) | 51.94 hp (38.7 kW) |
| Drawbar (claimed) | 43.8 hp (32.7 kW) |
| Drawbar (tested) | 47.30 hp (35.3 kW) |
| PTO (claimed) | 48.5 hp (36.2 kW) |
Transmission
| Description | The Torque Amplifier (TA) uses a planetary gearset to provide a shift between direct-drive (DD) and the TA underdrive. |
|---|---|
| Gears | 5 forward and 1 reverse / 10 forward and 2 reverse |
| Manufacturer | International Harvester |
| Transmission | International Harvester Torque Amplifier |
| Type | sliding gear / partial power shift |
| Transmission type | 5-speed sliding gear / 10-speed partial power shift |
| Transmission type | 5-speed sliding gear / 10-speed partial power shift |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Mechanical disc brakes |
| Drive type | Two-wheel drive |
| Steering | hydraulic power |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 |
Dimensions & Tires
| Height | 93.5 inches (237 cm) |
|---|---|
| Length | 130 inches (330 cm) |
| Width | 76 inches (193 cm) |
| Front tire | 6.50-18 |
| Rear tire | 15.00-30 |
| Weight | 6158 to 6550 pounds |
| Ag front | 6.50-18 |
| Ag rear | 15.00-30 |
International Harvester W-400 Weight
| Ballasted | 10,453 lbs (4741 kg) |
|---|---|
| Operating | 6,158 lbs (gas) (2793 kg) |
Nebraska Tractor Test 533
| Belt fuel use (max) | 4.4 gal/hour (16.7 l/hour) |
|---|---|
| Belt power (max) | 51.94 hp (38.7 kW) |
| Description | Gasoline Torque Amplifier 2WDMarch 28 - April 8, 1955Link: Nebraska Tractor Test 533 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 45.84 hp (34.2 kW) |
| Max pull | 6,361 lbs (2885 kg) |
Nebraska Tractor Test 535
| Belt fuel use (max) | 3.4 gal/hour (12.9 l/hour) |
|---|---|
| Belt power (max) | 46.61 hp (34.8 kW) |
| Description | Diesel Torque Amplifier 2WDApril 8 - 20, 1955Link: Nebraska Tractor Test 535 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 41.20 hp (30.7 kW) |
| Max pull | 6,476 lbs (2937 kg) |
Nebraska Tractor Test 572
| Belt fuel use (max) | 5.7 gal/hour (21.6 l/hour) |
|---|---|
| Belt power (max) | 50.72 hp (37.8 kW) |
| Description | LP gas Torque Amplifier 2WDMay 9 - 25, 1956Link: Nebraska Tractor Test 572 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 47.30 hp (35.3 kW) |
| Max pull | 6,684 lbs (3031 kg) |
Tractor Tests
| Description | NTTL 533: gasoline Torque Amplifier 2WD / NTTL 535: diesel Torque Amplifier 2WD / NTTL 572: LP gas Torque Amplifier 2WD |
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Variants
| 400 | Row-crop version (Farmall) |
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W-400 Serial Number Location
| Description | Serial plate on the clutch housing, left side of tractor. |
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W-400 Serial Numbers
| 1954 | 501 |
|---|---|
| 1955 | 510 |
| 1956 | 2187 |
| Description | FAQ: How to read a serial number table. |
| Final | 3858 |