International Harvester

International Harvester 15-30

The International Harvester 15-30 is a standard-tread farm tractor produced from 1917 to 1921. It features a 11.4L 4-cylinder kerosene engine with an estimated 33.3 hp engine power. The tractor has a 2-speed gear transmission with 2 forward and 1 reverse gears. It offers 15 hp drawbar power claimed and 30 hp belt power claimed, with tested drawbar power of 25.9 hp and belt power of 36.9 hp. The tractor is two-wheel drive with an open operator station and an optional four-post canopy. Dimensions include a length of 140.5 inches, width of 85 inches, height of 118 inches, and weight of 8990 lbs. It was built in factories located in Milwaukee, Wisconsin and Chicago, Illinois, USA, with a total production of 6,024 units.
Power33 hp[B]
Founded1917 - 1921
Model15-30

Technical Specifications

Detailed specifications and technical data for International Harvester 15-30

Power
Belt (tested)36.9 hp (27.5 kW)
Belt (claimed)30 hp (22.4 kW)
Drawbar (tested)25.9 hp (19.3 kW)
Drawbar (claimed)15 hp (11.2 kW)
Engine
TypeInternational Harvester 11.4L 4-cyl kerosene
Fuel tank29 gal (109.8 L)
Rated RPM575
Bore/Stroke5.25x8.00 inches (133 x 203 mm)
Displacement692.7 ci (11.4 L)
Engine Detailkerosene, 4-cylinder, liquid-cooled horizontal valve-in-head
Coolant capacity160 qts (151.4 L)
Mechanical
DriveTwo-wheel drive
Operator stationOpen operator station. Four-post canopy available.
Production
FactoriesMilwaukee, Wisconsin, USA, Chicago, Illinois, USA
Total built6,024
ManufacturerInternational Harvester
Transmission
Typegear
Gears2 forward and 1 reverse
Serial Numbers
1917TV101
1918TV477
1919EC1366
1920EC3018
1921EC4086
FinalEC4906
1918 2EC501
Dimensions & Tires
Width85 inches (215 cm)
Height118 inches (299 cm)
Length140.5 inches (356 cm)
Weight8990 lbs (4077 kg)
Rear tire66x14 steel
Front tire40x7 steel