International Harvester
International Harvester BTD-6
The International Harvester BTD-6 is an agricultural crawler tractor produced from 1955 to 1975. Built in Doncaster, England, it features a 4.3L 4-cylinder diesel engine delivering 50.5 hp net and 55 hp gross. The tractor has a 5-speed gear transmission with 1 reverse, crawler drive with bull gear final drives, and an open operator station. It weighs 9100 lbs and runs on 14-inch tracks. The BTD-6 was produced in a total of 18,632 units and originally sold for AUP 3,215 in 1964.
Power55 hp
Founded1955 - 1975
ModelBTD-6
Technical Specifications
Detailed specifications and technical data for International Harvester BTD-6
Power
| Engine (net) | 50.5 hp (37.7 kW) |
|---|---|
| Belt (claimed) | 47.9 hp (35.7 kW) |
| Engine (gross) | 55 hp (41.0 kW) |
| Drawbar (claimed) | 40.6 hp (30.3 kW) |
Engine
| Type | diesel, 4-cylinder, liquid-cooled |
|---|---|
| Model | International Harvester BD-264 |
| Torque | 210 lb-ft (284.8 Nm) |
| Starter | electric |
| Fuel tank | 20.1 gal (76.1 L) |
| Rated RPM | 1600 |
| Torque RPM | 1100 |
| Bore/Stroke | 4.00x5.25 inches (102 x 133 mm) |
| Power (net) | 50.5 hp (37.7 kW) |
| Displacement | 264 ci (4.3 L) |
| Oil capacity | 9.6 qts (9.1 L) |
| Power (gross) | 55 hp (41.0 kW) |
| Starter volts | 12 |
| Coolant capacity | 45.4 qts (43.0 L) |
Tracks
| Width | 14 inches (35 cm) |
|---|---|
| Area on ground | 1643 in² (1.1 m²) |
| Length on ground | 58.6 inches (148 cm) |
Variants
| BT-6 | petrol |
|---|---|
| BTD-6 | diesel |
Dimensions
| Gauge | 50 inches (127 cm) |
|---|---|
| Width | 64 inches (162 cm) |
| Height | 60.25 inches (153 cm) |
| Length | 104 inches (264 cm) |
| Ground clearance | 7.3 inches (18 cm) |
| Operating weight | 9100 lbs (4127 kg) |
Electrical
| Charging system | generator |
|---|
Mechanical
| Drive | crawler |
|---|---|
| Final drives | bull gear |
| Operator station | Open |
Production
| Type | Agricultural Crawler tractor |
|---|---|
| Built in | Doncaster, England |
| Total built | 18632 |
| Manufacturer | International Harvester |
| Original price | AUP 3,215 in 1964 |
| Years produced | 1955 - 1975 |
Transmission
| Type | gear |
|---|---|
| Gears | 5 forward and 1 reverse |
| Clutch | 330mm dry disc |
| Oil capacity | 19.2 qts (18.2 L) |
Serial Numbers
| 1953 | 501 |
|---|---|
| 1954 | 757 |
| 1955 | 1942 |
| 1956 | 3462 |
| 1957 | 4641 |
| 1958 | 6463 |
| 1959 | 7932 |
| 1960 | 9944 |
| 1961 | 12038 |
| 1962 | 14492 |
| 1963 | 16125 |
| 1964 | 18076 |
| 1965 | 19373 |
| 1966 | 19707 |
| 1967 | 19924 |
| 1968 | 20138 |
| 1969 | 20262 |
| 1970 | 20414 |
| 1971 | 20560 |
| 1972 | 20645 |
| 1973 | 20723 |
| 1974 | 20858 |
| 1975 | 20900 |
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