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International Harvester 300

International Harvester 300 tractor
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The International Harvester 300 is a utility tractor produced from 1955 to 1956. It features a 2.8L 4-cylinder gasoline or LP gas engine, with an estimated 45.8 hp. The tractor offers 5-speed sliding gear or 10-speed two-speed power shift transmissions. It has a wheelbase of 75 inches and weighs 4313 lbs operating weight. The 300 was built in large numbers and was notable for being the 3 millionth International Harvester tractor built. It includes features such as two-wheel drive, differential mechanical disc brakes, and an open operator station. The tractor uses an IH Fast Hitch and has a rear PTO with 540 rpm. It can pull 3-bottom plows and has tested drawbar power of 38.32 hp. The 300 supports attachments like the International 33A Loader with a 1500 lbs lift capacity.
International Harvester 300IH 300utility tractortractor specifications2.8L engine5-speed transmission10-speed power shifttractor dimensionstractor powertractor attachments
Power45 hp[B]
Founded1955 - 1956
Model300

Technical Specifications

Detailed specifications and technical data for International Harvester 300

Power

Plows:3-bottom
Belt (tested):42.68 hp (31.8 kW)
Drawbar (tested):38.32 hp (28.6 kW)

Engine

Idle RPM:900-2000
Rated RPM:2000
Air cleaner:oil bath
Bore/Stroke:3.5625x4.25 inches (90 x 108 mm)
Compression:6.6:1
Displacement:169 ci (2.8 L)
Oil capacity:6 qts (5.7 L)
Starter volts:6
Engine options:International Harvester 2.8L 4-cyl gasoline, International Harvester 2.8L 4-cyl LP gas
Coolant capacity:16 qts (15.1 L)
Rated RPM LP gas:1750
Compression LP gas:8.75:1
Engine detail LP gas:International Harvester C169, LP gas, 4-cylinder, liquid-cooled
Starter volts LP gas:12
Engine detail gasoline:International Harvester C169, gasoline, 4-cylinder, liquid-cooled

Capacity

Fuel:11.25 gal (42.6 L)
Hydraulic system:3.25 gal (12.3 L)

Variants

Farmall 300:row-crop tractor

Electrical

Ground:positive
Battery volts:6, 12 (LP gas)

Hydraulics

Capacity:3.25 gal (12.3 L)

Mechanical

Drive:Two-wheel drive
Brakes:Differential mechanical disc brakes
Operator station:Open operator station

Production

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

Attachments

Loader:International 33A Loader
Clearance:96 inches clearance (dumped) (243 cm)
Bucket width:40 inches (101 cm)
Lift capacity:1500 lbs lift (full at pin) (680 kg)
Breakout force:2600 lbs breakout (1179 kg)

Transmission

Manufacturer:International Harvester
Type sliding gear:sliding gear
Gears sliding gear:5 forward and 1 reverse
Clutch sliding gear:dry disc
Transmission options:5-speed sliding gear, 10-speed two-speed power shift
Type torque amplifier:two-speed power shift
Gears torque amplifier:10 forward and 2 reverse
Clutch torque amplifier:dry disc
Transmission torque amplifier:International Harvestor Torque Amplifier

Tractor hitch

Type:IH Fast Hitch

Serial Numbers

1955:501
1956:20219
Final:33664
Location:Serial number plate attached to the tractor's clutch housing

Dimensions & Tires

Width:65.25 inches (165 cm) *Minimum width
Length:119 inches (302 cm)
Rear tire:10-28, 12-24, 13-24, 14-24, 11-28, 12-28
Wheelbase:75 inches (190 cm)
Front tire:5.50-16, 6.00-16
Ballasted weight:6603 lbs (2995 kg)
Ground clearance:20.5 inches (52 cm)
Operating weight:4313 lbs (1956 kg)
Height (steering wheel):59 inches (149 cm)

Power Take-off (PTO)

Rear PTO:transmission
Rear PTO Type:540
Rear PTO independent:independent (with TA)

Related Models

International Harvester 350

Model:350