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Tractor · 1949Unverified

International Harvester TD-18A

Name: International Harvester TD-18A
Brand: International Harvester

International Harvester TD-18A — Model year 1949-19551955-19561956-1958 · 87 hp. Reference specifications; pending source verification.

The International Harvester TD-18A is a tractor model with a rated power output of 87 hp, a mid-range figure for its class. Manufactured from 1949 to 1958, the TD-18A features a 6-cylinder diesel liquid-cooled engine paired with a tracked undercarriage and a 6-speed gearbox. Its operating weight is listed as 22830 to 23630 pounds. The TD-18A is suitable for operations covering up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

87 hp

Max power

63.8 kW

Weight

22830 to 23630 pounds

Catalogue coverage

Variants represented

Richest spec table

63 rows

Recorded power

87 hp

Recorded weight

10355 kg

Transmissions

6-speed gear

Production years

1949-1958

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerInternational HarvesterReference

Agricultural Crawler tractorReference

Built in Melrose Park, Illinois, USAReference

Total built22,016Reference

DrivecrawlerReference

Steeringmechanical steering clutchesReference

Mechanical contracting band brakesReference

Open operator station.Reference

Engine

International Harvester 11.3L 6-cyl dieselReference

Fuel tank227.1 LReference

Aux. fuel5.0 LReference

Drawbar (claimed)64.9 kWReference

Belt (claimed)75.3 kWReference

Drawbar (tested)63.8 kWReference

Belt (tested)73.0 kWReference

International Harvester D-691Reference

dieselReference

6-cylinderReference

liquid-cooled vertical I-headReference

Displacement11.3 LReference

Bore/Stroke121 x 165 mmReference

Air cleaneroil bathReference

Compression15.5:1Reference

Rated RPM1350Reference

Startergasoline-startReference

Starter volts12Reference

Oil capacity24.6 LReference

Coolant capacity98.4 LReference

Belt power (max)73.0 kWReference

Max power63.8 kWReference

Transmission

6-speed gearReference

TypegearReference

Gears6 forward and 2 reverseReference

Dimensions

Weight22830 to 23630 poundsReference

TracksReference

Length421 cmReference

Width241 cmReference

Height269 cmReference

Shipping weight10355 kgReference

Shipping weight10718 kgReference

TD-18A Serial Numbers

Location:upper-left dashReference

194922536 (TDR)Reference

195022837 (TDR)Reference

195124668 (TDR)Reference

195227245 (TDR)Reference

195329201 (TDR)Reference

195432089 (TDR)Reference

195533507 (TDR)Reference

Final33649 (TD181)Reference

195533650 (TD181)Reference

195635725 (TD181)Reference

Final36100 (TD181)Reference

195636101 (TD182)Reference

195737882 (TD182)Reference

195838805 (TD182)Reference

Final38861 (TD182)Reference

FAQ: How to read a serial number table.Reference

Test results

Diesel 6-speed crawlerJune 27 - July 18, 1950Link: Nebraska Tractor Test 446 fileReference

Belt fuel use (max)25.4 l/hourReference

Drawbar performanceReference

Gear 2 used for power test.Reference

Max pull9178 kgReference

Gear 1 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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