International Harvester 300

The International Harvester 300 is a tractor produced by International Harvester. It is equipped with a 169 ci 2.8 L engine. Transmission: International Harvestor Torque Amplifier. Operating weight: 4313 lbs 1956 kg.

Overview

	1955 - 1956 Utility tractor

Production
Manufacturer	International Harvester
Utility tractor
Total built	59,928 (total)
	30,851 (IH)
	29,077 (Farmall)
Original price was $2,900 in 1956
The 3 millionth International Harvester built tractor was an IH 300 utility, serial number 501, on April 5, 1955.

Variants
Farmall 300	row-crop tractor

International Harvester 300 Power
Plows	3-bottom
Drawbar (tested)	38.32 hp 28.6 kW
Belt (tested)	42.68 hp 31.8 kW
Performance test details ...

Mechanical
Two-wheel drive
Differential mechanical disc brakes
Open operator station.

Capacity
Fuel	11.25 gal 42.6 L
Hydraulic system	3.25 gal 12.3 L

Hydraulics
Capacity	3.25 gal 12.3 L

Tractor hitch
Type	IH Fast Hitch

Power Take-off (PTO)
Rear PTO	transmission
	independent (with TA)
Rear PTO Type	540

Dimensions & Tires
Wheelbase	75 inches 190 cm
Weight	4313 lbs 1956 kg
Front tire	5.50-16
Rear tire	10-28
Full dimensions and tires ...

Electrical
Ground	positive
Battery volts	6
	12 (LP gas)

References
Farm Loaders published in 1962, by International Harvester
300 Series Torque Amplifier Service Manual (GSS-1060)
New 300 Utility published in 1955, by International Harvester

Engine

Engine options
International Harvester 2.8L 4-cyl gasoline
International Harvester 2.8L 4-cyl LP gas

Engine Detail — 169 ci / 2.8 L Gasoline

Manufacturer	International Harvester C169
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	169 ci 2.8 L
Bore/Stroke	3.5625x4.25 inches 90 x 108 mm
Compression	6.6:1
Rated RPM	2000
Idle RPM	900-2000
Starter volts	6
Oil capacity	6 qts 5.7 L
Coolant capacity	16 qts 15.1 L

Engine Detail — 169 ci / 2.8 L LP Gas

Manufacturer	International Harvester C169
Fuel Type	LP gas
Configuration	4-cylinder, liquid-cooled
Displacement	169 ci 2.8 L
Bore/Stroke	3.5625x4.25 inches 90 x 108 mm
Air cleaner	oil bath
Compression	8.75:1
Rated RPM	1750
Starter volts	12

Transmission

Transmission options
5-speed sliding gear
10-speed two-speed power shift

Transmission — 5 forward and 1 reverse sliding gear

Manufacturer	International Harvester
Type	sliding gear
Gears	5 forward and 1 reverse
Clutch	dry disc

Transmission — International Harvestor Torque Amplifier

Transmission	International Harvestor Torque Amplifier
Type	two-speed power shift
Gears	10 forward and 2 reverse
Clutch	dry disc

Dimensions

International Harvester 300 Tires
Ag front	5.50-16
Ag rear	10-28
Ag front	6.00-16
Ag rear	12-24
	13-24
	14-24
	11-28
	12-28

Dimensions
Wheelbase	75 inches 190 cm
Length	119 inches 302 cm
Width	65.25 inches*Minimum width. 165 cm
Height (steering wheel)	59 inches 149 cm
Operating weight	4313 lbs 1956 kg
Ballasted weight	6603 lbs 2995 kg
Ground clearance	20.5 inches 52 cm

Tests

Tractor Tests
NTTL 539: gasoline 2WD Torque Amplifier
NTTL 574: LP gas Torque Amplifier 2WD

Nebraska Tractor Test 539
Gasoline 2WD Torque Amplifier May 5 - 10, 1955 Link: Nebraska Tractor Test 539 file
Belt power (max)	41.26 hp 30.8 kW
Belt fuel use (max)	4.0 gal/hour 15.1 l/hour
Drawbar performance
Max power	37.36 hp 27.9 kW
Gear 3 used for power test.
Max pull	4,379 lbs 1986 kg
Gear 1 used for pull test.

Nebraska Tractor Test 574
LP gas Torque Amplifier 2WD May 16 - June 1, 1956 Link: Nebraska Tractor Test 574 file
Belt power (max)	42.68 hp 31.8 kW
Belt fuel use (max)	4.7 gal/hour 17.8 l/hour
Drawbar performance
Max power	38.32 hp 28.6 kW
Gear 1 used for power test.

Photos

International Harvester 300

International Harvester 300

Rear of International 300 Utility with Fast Hitch