| Production | |
| Manufacturer | Farmall (a part of International Harvester) |
| Row-Crop tractor | |
| Built in Rock Island, Illinois, USA | |
| Total built | 40,957 |
| Original price | $3,500 (1954) |
| Variants | |
| 400 | row-crop |
| W-400 | standard |
| 400 Hi-Clear | high-crop |
| Farmall 400 Engines | |
| International Harvester 4.3L 4-cyl gasoline | |
| International Harvester 4.3L 4-cyl diesel | |
| International Harvester 4.3L 4-cyl LP gas | |
| Farmall 400 Transmission | |
| 10-speed partial power shift | |
| Farmall 400 Power | |
| Drawbar (claimed) | 45 hp (gas) 33.6 kW |
|   | 43.9 hp (diesel) 32.7 kW |
| Belt (claimed) | 51 hp (gas) 38.0 kW |
|   | 48.3 hp (diesel) 36.0 kW |
| Drawbar (tested) | 48.12 hp 35.9 kW |
| Belt (tested) | 52.36 hp 39.0 kW |
| Mechanical | |
| Two-wheel drive | |
| Steering | manual |
|   | power optional |
| Manual disc brakes | |
| Open operator station. | |
| Photos | |
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| Capacity | |
| Fuel | 21.5 gal 81.4 L |
| Aux. fuel | 0.9 gal 3.4 L |
| Hydraulic system | 3.5 gal 13.2 L |
|   | 3.63 gal (power steering) 13.7 L |
| Hydraulics | |
| Type | Hydra-Touch |
| Capacity | 3.5 gal 13.2 L |
|   | 3.63 gal (power steering) 13.7 L |
| Valves | 3 |
| Tractor hitch | |
| Type | IH Fast Hitch (optional) |
| Rear lift | 2,000 lbs 907 kg |
| Power Take-off (PTO) | |
| Rear PTO | transmission |
|   | independent OptOptional |
| Rear PTO Type | 540 |
| Engine RPM | 537@1450 (trans.) |
|   | 534@1450 (ind.) |
| Dimensions & Tires | |
| Wheelbase | 95.75 inches 243 cm |
| Weight | 6,300 lbs 2857 kg |
| Front tire | 6.00-16 |
| Rear tire | 12-38 |
| Farmall 400 attachments | |
| front-end loader | |
| 400 Serial Numbers | |
| 1954 | 501 |
| 1955 | 4732 |
| 1956 | 29065 |
FAQ: How to read a serial number table. | |
| Belt Pulley | |
| Diameter | 11 inches 27 cm |
| Width | 7.5 inches 19 cm |
| RPM | 899 |
| Speed | 2,588 ft/min 788.82 meters/min |
| Electrical | |
| Ground | positive (6V) |
|   | negative (12V) |
| Charging system | generator |
| Battery volts | 6 (gas) |
|   | 12 (diesel) |
| References | |
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| No. 31 Power Loader published by International Harvester | |
| Farm Loaders published in 1962, by International Harvester | |
| New McCormick Farmall 400 (CR-669-E) | |
| Operator's Manual Farmall 400 Diesel Tractors (1004382R4) published in 1958 | |
| Operator's Manual Farmall 400 Tractors (1004381R5) |
| Page information | |
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| Copyright 2025 TractorData.com® | |
| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on March 16, 2025 |