Skip to content
An independent tractor reference
TractorStack.

Find your tractor.

Menu ☰

Years in Production / 1949–1958

International Harvester

TD-18A

Explore the specifications, hardware, and original references for the International Harvester TD-18A.

Generic tractor; no model photo available
No photo

112hp

Engine estimate · from belt

Tracks

Drive

1949–1958

Production years

International Harvester

Manufacturer

TD-18A / 01

At a glance

Overview

1949 - 1958

Model year 1949-19551955-19561956-1958

Agricultural Crawler tractor

Production

Agricultural Crawler tractor

Built in Melrose Park, Illinois, USA

Manufacturer
International Harvester
Total Built
22,016

Mechanical

Mechanical contracting band brakes

Open operator station.

Drive
crawler
Steering
mechanical steering clutches

TD-18A / 02

Under the hood

Engine Detail

International Harvester D-691

diesel

6-cylinder

liquid-cooled vertical I-head

Displacement
691.1 ci11.3 L
Bore Stroke
4.75x6.50 inches121 x 165 mm
Air Cleaner
oil bath
Compression Ratio
15.5:1
Rated Rpm
1350
Starter
gasoline-start
Starter Volts
12
Oil Capacity
26 qts24.6 L
Coolant Capacity
104 qts98.4 L
Fuel Type
diesel
Cylinders
6
Cooling
liquid-cooled vertical I-head

Engine Options

International Harvester 11.3L 6-cyl diesel

Fuel Tank
60 gal227.1 L
Aux Fuel
1.33 gal5.0 L

TD-18A / 03

Gears & controls

Transmission

Transmission Type
gear
Gears
6 forward and 2 reverse

International Harvester Td18a Transmission

6-speed gear

TD-18A / 04

Size. Stance. Footprint.

Dimensions

Length
166 in421 cm
Width
95 in241 cm
Height
106 in269 cm

Tires And Tracks

Tracks

Weight
22830 to 23630 pounds

See it in action

Videos

Watch International Harvester TD-18A videos from their original YouTube creators.

TD-18A / 06

Tests (NTTL)

Nebraska Tractor Test 446

Diesel 6-speed crawlerJune 27 - July 18, 1950

Drawbar performance

Gear 2 used for power test.

Gear 1 used for pull test.

Id
446
Belt Power Max
97.83 hp73.0 kW
Belt Fuel Use Max
6.7 gal/hour25.4 l/hour
Max Power
85.61 hp63.8 kW
Max Pull
20,234 lbs9178 kg