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Farmall 400

The Farmall 400 is a row-crop tractor produced from 1954 to 1956 by Farmall, a part of International Harvester. It was built in Rock Island, Illinois, USA, with a total production of 40,957 units. The tractor was available in row-crop, standard (W-400), and high-crop (400 Hi-Clear) variants. It features a 4.3L 4-cylinder engine available in gasoline, diesel, and LP gas versions, with a 10-speed partial power shift Torque Amplifier transmission. The Farmall 400 has a drawbar power of up to 48.12 hp tested and a belt power of up to 52.36 hp tested. It includes Hydra-Touch hydraulics, an optional IH Fast Hitch, and a rear PTO with optional independent operation. The tractor has a wheelbase of 95.75 inches, weighs 6,300 lbs operating weight, and features 6.00-16 front tires and 12-38 rear tires. It was originally priced at $3,500 in 1954.
Farmall 400Farmall tractorInternational Harvesterrow-crop tractor4.3L engineTorque Amplifier transmissiontractor specifications1954 tractor1955 tractor1956 tractor
Power56 hp[B]
Founded1954 - 1956
Model400

Technical Specifications

Detailed specifications and technical data for Farmall 400

Power

Belt (tested):52.36 hp (39.0 kW)
Belt (claimed):51 hp (gas) (38.0 kW), 48.3 hp (diesel) (36.0 kW)
Drawbar (tested):48.12 hp (35.9 kW)
Drawbar (claimed):45 hp (gas) (33.6 kW), 43.9 hp (diesel) (32.7 kW)

Engine

Options:International Harvester 4.3L 4-cyl gasoline, International Harvester 4.3L 4-cyl diesel, International Harvester 4.3L 4-cyl LP gas
Idle RPM:400-1600
Rated RPM:1450
Air cleaner:oil bath
Bore/Stroke:4.00x5.25 inches (102 x 133 mm)
Compression:6.3:1
Fuel system:1.25-inch updraft carburetor
Displacement:264 ci (4.3 L)
Firing order:1-3-4-2
Oil capacity:8 qts (7.6 L)
Sparkplug gap:0.023 inches (0.584 mm)
Starter volts:6
Gasoline engine:International Harvester C264, gasoline, 4-cylinder, liquid-cooled vertical I-head
Coolant capacity:26 qts (24.6 L)
Oil change interval:150 h
Intake valve clearance:0.017 inches (hot) (0.432 mm)
Exhaust valve clearance:0.017 inches (hot) (0.432 mm)

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)

Variants

400:row-crop
W-400:standard
400 Hi-Clear:high-crop

Electrical

Ground:positive (6V), negative (12V)
Battery volts:6 (gas), 12 (diesel)
Charging system:generator

Hydraulics

Type:Hydra-Touch
Valves:3
Capacity:3.5 gal (13.2 L), 3.63 gal (power steering) (13.7 L)

Mechanical

Drive:Two-wheel drive
Brakes:Manual disc brakes
Steering:manual, power optional
Operator station:Open operator station

Production

Type:Row-Crop tractor
Built in:Rock Island, Illinois, USA
Total built:40,957
Original price:$3,500 (1954)
Years produced:1954 - 1956

Attachments

front-end loader:available

Belt Pulley

RPM:899
Speed:2,588 ft/min (788.82 meters/min)
Width:7.5 inches (19 cm)
Diameter:11 inches (27 cm)

Transmission

Type:Torque Amplifier
Gears:10 forward and 2 reverse
Clutch:12-inch dry disc
Transmission type:partial power shift

Engine Diesel

Type:International Harvester, diesel, 4-cylinder, liquid-cooled vertical I-head
Rated RPM:1450
Air cleaner:oil bath
Bore/Stroke:4.00x5.25 inches (102 x 133 mm)
Compression:16.5:1
Displacement:264 ci (4.3 L)
Firing order:1-3-4-2
Oil capacity:9 qts (8.5 L)
Starter volts:12
Coolant capacity:29 qts (27.4 L)

Engine LP Gas

Type:International Harvester, LP gas, 4-cylinder, liquid-cooled vertical I-head
Rated RPM:1450
Bore/Stroke:4.00x5.25 inches (102 x 133 mm)
Compression:8.33:1
Displacement:264 ci (4.3 L)
Firing order:1-3-4-2
Coolant capacity:26 qts (24.6 L)

Tractor hitch

Type:IH Fast Hitch (optional)
Rear lift:2,000 lbs (907 kg)

Serial Numbers

1954:501
1955:4732
1956:29065

Dimensions & Tires

Length:141.125 inches (358 cm)
Max Width:107.25 inches (272 cm)
Min Width:84.5 inches (214 cm)
Rear tire:12-38
Wheelbase:95.75 inches (243 cm)
Front tire:6.00-16
Rear tread:50 to 94 inches (127 to 238 cm), 50 to 106 inches (127 to 269 cm) (long axle)
Front tread:8.375/12.25 inches (21/31 cm) (tricycle), 57 to 90 inches (144 to 228 cm)
Bar rear axle:2.75 inch diameter (69 mm)
Ballasted weight:9,600 lbs (4354 kg)
Operating weight:6,300 lbs (2857 kg)
Clearance (rear axle):26.25 inches (66 cm)
Clearance (front axle):22.5 inches (57 cm)
Frame Ground clearance:18.5 inches (46 cm)
Height (steering wheel):80.75 inches (205 cm)

Power Take-off (PTO)

Rear PTO:transmission, independent Optional
Engine RPM:537@1450 (trans.), 534@1450 (ind.)
Rear PTO Type:540

Related Models

Farmall 450

Model:450

Farmall 300

Model:300

Farmall Super M

Model:Super M