Farmall

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.

Power56 hp[B]

Founded1954 - 1956

Model400

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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)