International Harvester BTD-6

The International Harvester BTD-6 is a tractor produced by International Harvester. It is equipped with a 264 ci 4.3 L engine. The listed engine power is Diesel (net): 50.5 hp / 37.7 kW; Diesel (gross): 55 hp / 41.0 kW. Transmission: 5 forward and 1 reverse. Drive type: crawler. Operating weight: 9100 lbs 4127 kg.

Overview

	1955 - 1975 Agricultural Crawler tractor

Production
Manufacturer	International Harvester
Agricultural Crawler tractor
Built in Doncaster, England
Total built	18632
Original price was AUP 3,215 in 1964

Variants
BT-6	petrol
BTD-6	diesel

International Harvester BTD-6 Engine
International Harvester 4.3L 4-cyl diesel
Fuel tank	20.1 gal 76.1 L
Engine details ...

International Harvester BTD-6 Transmission
5-speed gear
Transmission details ...

International Harvester BTD-6 Power
Engine (gross)	55 hp 41.0 kW
Engine (net)	50.5 hp 37.7 kW
Drawbar (claimed)	40.6 hp 30.3 kW
Belt (claimed)	47.9 hp 35.7 kW

Mechanical
Drive	crawler
Final drives	bull gear
Open operator station

Dimensions & Tracks
Weight	9100 lbs 4127 kg
14-inch tracks
Full dimensions and tracks ...

Electrical
Charging system	generator

References
International 1917-1961 Vintage Tractor Special by Allen Condie*
The Roar of Dust and Diesel - A Story of International Harvester Doncaster by Mike Teanby
Technical Annual published in 1967, by Power Farming
BTD-6 Laderaupe published by International Harvester
Trucks, Tractors and Farm Equipment in Australia published in 1964, by International Harvester
World Wide Farm Equipment Buyer's Guide published in 1968, by International Harvester*
Farm Crawlers published by International Harvester
*Publication contains known errors.

Engine

Engine Detail — 264 ci / 4.3 L Diesel

Manufacturer	International Harvester BD-264
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	264 ci 4.3 L
Bore/Stroke	4.00x5.25 inches 102 x 133 mm
Power (net)	50.5 hp 37.7 kW
Power (gross)	55 hp 41.0 kW
Rated RPM	1600
Torque	210 lb-ft 284.8 Nm
Torque RPM	1100
Starter	electric
Starter volts	12
Oil capacity	9.6 qts 9.1 L
Coolant capacity	45.4 qts 43.0 L

Transmission

Transmission — 5 forward and 1 reverse gear

Type	gear
Gears	5 forward and 1 reverse
Clutch	330mm dry disc
Oil capacity	19.2 qts 18.2 L

Dimensions

International Harvester BTD-6 Tracks
Width	14 inches 35 cm
Length on ground	58.6 inches 148 cm
Area on ground	1643 in² 1.1 m²

Dimensions
Length	104 inches 264 cm
Width	64 inches 162 cm
Height	60.25 inches 153 cm
Operating weight	9100 lbs 4127 kg
Ground clearance	7.3 inches 18 cm
Gauge	50 inches 127 cm

Photos

International BTD-6, left side.

International BTD-6, right side.