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International Harvester BTD-6

International Harvester BTD-6 tractor
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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.
International HarvesterBTD-6crawler tractordiesel tractor4.3L engine55 hpagricultural tractortractor specifications
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