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Tractor · 1959Unverified

International Harvester BTD-20

International Harvester BTD-20 — Agricultural Crawler tractor · 135 hp. Reference specifications; pending source verification.

The International Harvester BTD-20 is a tractor model with a rated power output of 135 hp, categorising it as a powerful unit within its class. It was in production from 1959 to 1974. The BTD-20 features a 6-cylinder diesel liquid-cooled engine, paired with a tracked undercarriage and a 6-speed gearbox, with an operating weight of 13744 kg. It is suited for operations covering an area of 200–800 acres.

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

Rated power
135 hp
Weight
13744 kg

Catalogue coverage

Variants represented
2
Richest spec table
60 rows
Recorded power
135 hp
Recorded weight
13744 kg
Transmissions
6-speed gear
Production years
1959-1974
Verified variants
0

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 Doncaster, EnglandReference
Total built3038Reference
DrivecrawlerReference
Final drivesbull gearReference
Open operator stationReference

Engine

Rolls-Royce 12.2L 6-cyl dieselReference
Fuel tank268.4 LReference
Engine (net)100.7 kWReference
Drawbar (claimed)83.9 kWReference
Rolls-Royce C6NReference
dieselReference
6-cylinderReference
liquid-cooledReference
Displacement12.2 LReference
Bore/Stroke130 x 152 mmReference
Power (net)100.7 kWReference
Rated RPM1550Reference
Torque650.9 NmReference
Torque RPM1150Reference
StarterelectricReference
Starter volts24Reference
Oil capacity31.8 LReference
Coolant capacity40.9 LReference

Transmission

6-speed gearReference
TypegearReference
Gears6 forward and reverseReference
Clutch406mm dry discReference
Oil capacity40.5 LReference

Dimensions

Weight13744 kgReference
20-inch tracksReference
Length419 cmReference
Width238 cmReference
Height227 cmReference
Operating weight13744 kgReference
Ground clearance35 cmReference
Gauge187 cmReference

BTD-20 Serial Numbers

1959556Reference
1960845Reference
19611260Reference
19621637Reference
19631973Reference
19642296Reference
19652549Reference
19662820Reference
19672996Reference
19683140Reference
19693236Reference
19703314Reference
19713439Reference
19723489Reference
19733542Reference
19743590Reference
Final3594Reference
FAQ: How to read a serial number table.Reference

Electrical

Charging systemgeneratorReference

International Harvester BTD-20 Tracks

Width50 cmReference
Length on ground238 cmReference
Area on ground2.4 m²Reference

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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