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ATC Terratrac GT-30

ATC Terratrac GT-30 tractor
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The ATC Terratrac GT-30 is an agricultural crawler tractor produced from 1951 to 1954 by ATC in Churubusco, Indiana, USA. It features a Continental F140 2.3L 4-cylinder liquid-cooled gasoline engine with a 3-speed unsynchronized gear transmission. The tractor has a drawbar power of 24 hp (claimed) and 25.16 hp (tested), and a belt power of 30 hp (claimed) and 30.41 hp (tested). It uses a crawler drive with manual steering and mechanical contracting band brakes. The GT-30 has a rear PTO type of 540 RPM at 1622 engine RPM. Dimensions include a length of 96 inches, width of 50 inches (minimum at 42-inch gauge), and height of 51 inches at the hood. It weighs between 3400 and 4471 pounds depending on configuration. The tractor runs on 10-inch wide tracks with a length on ground of 53 inches and an area on ground of 1060 in². The belt pulley diameter is 8.5 inches with a width of 6.5 inches and runs at 1192 RPM.
ATCTerratrac GT-30tractorcrawler tractorContinental F140 engine3-speed transmissionagricultural tractortractor specs
Power-
Founded-
ModelGT-30

Technical Specifications

Detailed specifications and technical data for ATC Terratrac GT-30

Power

Belt (tested):30.41 hp (22.7 kW)
Belt (claimed):30 hp (22.4 kW)
Drawbar (tested):25.16 hp (18.8 kW)
Drawbar (claimed):24 hp (17.9 kW)

Engine

Type:gasoline
Model:Continental F140
Cooling:liquid-cooled
Starter:manual, electric (Optional)
Cylinders:4-cylinder
Fuel tank:10 gal (37.9 L)
Rated RPM:1850
Air cleaner:oil bath
Bore/Stroke:3.1875x4.375 inches (81 x 111 mm)
Displacement:139.6 ci (2.3 L)
Starter volts:6
Coolant capacity:14 qts (13.2 L)
Compression ratio:6.5:1

Tracks

Width:10 inches (25 cm)
Area on ground:1060 in² (0.7 m²)
Length on ground:53 inches (134 cm)

Dimensions

Gauge:42/48/56/60/72 inches (106/121/142/152/182 cm)
Width:50 inches (127 cm) Minimum at 42-inch gauge
Length:96 inches (243 cm)
Height (hood):51 inches (129 cm)
Shipping weight:3400 lbs (1542 kg)
Operating weight:4471 lbs (2028 kg)

Mechanical

Drive:crawler
Brakes:Mechanical contracting band brakes
Steering:manual
Operator station:Open operator station

Production

Type:Agricultural Crawler tractor
Built in:Churubusco, Indiana, USA
Years produced:1951 - 1954

Belt Pulley

RPM:1192
Speed:2652 ft/min (808.33 meters/min)
Width:6.5 inches (16 cm)
Diameter:8.5 inches (21 cm)

Transmission

Type:unsynchronized gear
Gears:3 forward and 1 reverse
Clutch:dry disc
Oil capacity:8 qts (7.6 L)

Serial Numbers

1951:10001
1952:10488
1953:11197
1954:11359
Final:11463

Power Take-off (PTO)

Engine RPM:540@1622
Rear PTO Type:540 (1.375)