Farmall 400

The Farmall 400 is a tractor produced by Farmall. It is equipped with a 264 ci 4.3 L engine. The rated power output is 52.36 hp 39.0 kW. Transmission: Torque Amplifier. Operating weight: 6,300 lbs 2857 kg.

Overview

	1954 - 1956 Row-Crop tractor
1954 - 1956
Row-Crop tractor

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 Transmission
10-speed partial power shift
Transmission details ...

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
Performance test details ...

Mechanical
Two-wheel drive
Steering	manual
	power optional
Manual disc brakes
Open operator station.

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
Full dimensions and tires ...

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
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)

Engine

Engine options
International Harvester 4.3L 4-cyl gasoline
International Harvester 4.3L 4-cyl diesel
International Harvester 4.3L 4-cyl LP gas

Engine Detail — 264 ci / 4.3 L Gasoline

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

Engine Detail — 264 ci / 4.3 L Diesel

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

Engine Detail — 264 ci / 4.3 L LP Gas

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

Transmission

Transmission — Torque Amplifier

Transmission	Torque Amplifier
Type	partial power shift
Gears	10 forward and 2 reverse
Clutch	12-inch dry disc
With 12-38 rear tires.

Dimensions

Farmall 400 Tires
Ag front	6.00-16
Ag rear	12-38

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

Tests

Tractor Tests
NTTL 532: gasoline Torque Amplifier 2WD
NTTL 534: diesel Torque Amplifier 2WD
NTTL 571: LP gas Torque Amplifier 2WD

Nebraska Tractor Test 532
Gasoline Torque Amplifier 2WD March 28 - April 4, 1955 Link: Nebraska Tractor Test 532 file
Belt power (max)	50.78 hp 37.9 kW
Belt fuel use (max)	4.4 gal/hour 16.7 l/hour
Drawbar performance
Max power	45.34 hp 33.8 kW
Gear 3-Direct used for power test.
Max pull	6,508 lbs 2952 kg
Gear 1-Direct used for pull test.

Nebraska Tractor Test 534
Diesel Torque Amplifier 2WD April 8 - 16, 1955 Link: Nebraska Tractor Test 534 file
Belt power (max)	46.73 hp 34.8 kW
Belt fuel use (max)	3.4 gal/hour 12.9 l/hour
Drawbar performance
Max power	43.22 hp 32.2 kW
Gear 3-Direct used for power test.
Max pull	6,479 lbs 2938 kg
Gear 1-TA used for pull test.

Nebraska Tractor Test 571
LP gas Torque Amplifier 2WD May 7 - 28, 1956 Link: Nebraska Tractor Test 571 file
Belt power (max)	52.36 hp 39.0 kW
Belt fuel use (max)	5.8 gal/hour 22.0 l/hour
Drawbar performance
Max power	48.12 hp 35.9 kW
Gear 3-Direct used for power test.
Max pull	6,663 lbs 3022 kg
Gear 1-TA used for pull test.

Attachments

Attachment overview
International Harvester 31 loader
International 33A loader

Photos

Farmall 400

Farmall 400

Farmall 400 operator station and controls.

Farmall 400 and 450 with LP gas engines.