International Harvester TD-18

The International Harvester TD-18 is a tractor produced by International Harvester. It is equipped with a 691.1 ci 11.3 L engine. Transmission: 6 forward and 2 reverse. Drive type: crawler. Operating weight: 21,500 lbs 9752 kg.

Overview

	1938 - 1949 Agricultural Crawler tractor

Production
Manufacturer	International Harvester
Agricultural Crawler tractor
Built in Melrose Park, Illinois, USA
Total built	22,016

International Harvester TD-18 Engine
International Harvester 11.3L 6-cyl diesel
Fuel tank	60 gal 227.1 L
Aux. fuel	1.33 gal 5.0 L
Engine details ...

International Harvester TD-18 Transmission
6-speed gear
Transmission details ...

International Harvester TD-18 Power
Drawbar (tested)	72.38 hp 54.0 kW
Belt (tested)	80.32 hp 59.9 kW
Performance test details ...

Mechanical
Drive	crawler
Open operator station.

Dimensions & Tracks
Weight	21,500 lbs 9752 kg
Tracks
Full dimensions and tracks ...

References
General Line Catalog published in 1949, by International Harvester

Engine

Engine Detail — 691.1 ci / 11.3 L Diesel

Manufacturer	International Harvester
Fuel Type	Diesel
Configuration	6-cylinder, liquid-cooled vertical I-head
Displacement	691.1 ci 11.3 L
Bore/Stroke	4.75x6.50 inches 121 x 165 mm
Air cleaner	oil bath
Rated RPM	1200
Starter	gasoline start
Starter volts	12
Coolant capacity	104 qts 98.4 L

Transmission

Transmission — 6 forward and 2 reverse gear

Type	gear
Gears	6 forward and 2 reverse
Clutch	dry disc

Dimensions

International Harvester TD-18 Tracks

Dimensions
Length	166 inches 421 cm
Width	95 inches 241 cm
Height	106 inches 269 cm
Weight	21,500 lbs 9752 kg

Tests

Nebraska Tractor Test 315
Diesel 6-speed crawler March 27 - April 14, 1939 Link: Nebraska Tractor Test 315 file
Belt power (max)	80.32 hp 59.9 kW
Belt fuel use (max)	5.2 gal/hour 19.7 l/hour
Drawbar performance
Max power	72.38 hp 54.0 kW
Gear 1 used for power test.
Max pull	18,973 lbs 8606 kg
Gear 1 used for pull test.

Photos

International Harvester TD-18 tractor photo