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