Overview
The ATC Terratrac GT-30 is an agricultural crawler tractor produced in Indiana between 1951 and 1954, powered by a 2.3L Continental four-cylinder gasoline engine. It is designed for farm applications requiring stability and traction, delivering a tested 30.41 belt horsepower and 25.16 drawbar horsepower through its three-speed transmission.
Ideal Applications
High-Traction Pulling:
With 10-inch wide tracks providing 1060 square inches of ground contact, this crawler is ideal for tasks requiring its maximum pull of 4,518 lbs as verified by Nebraska Tractor Test 471.
Stationary Belt Work:
The dedicated 8.5-inch diameter belt pulley delivers a tested 30.41 hp at 1192 RPM, making it suitable for powering external farm machinery and belt-driven equipment.
Adjustable Row Farming:
The tractor features multiple gauge width settings ranging from 42 to 72 inches, allowing it to be configured for various crop spacings and agricultural applications.
Production
| Description | Agricultural Crawler tractor / Built in Churubusco, Indiana, USA |
|---|---|
| Manufacturer | ATC |
Engine
| Engine type | Continental 2.3L 4-cyl gasoline |
|---|---|
| Fuel tank | 10 gal (37.9 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 3.1875x4.375 inches (81 x 111 mm) |
| Compression | 6.5:1 |
| Coolant capacity | 14 qts (13.2 L) |
| Description | Continental F140 / gasoline / 4-cylinder / liquid-cooled |
| Displacement | 139.6 ci (2.3 L) |
| Rated RPM | 1850 |
| Starter | manual |
| Starter volts | 6 |
| Belt (claimed) | 30 hp (22.4 kW) |
| Belt (tested) | 30.41 hp (22.7 kW) |
| Drawbar (claimed) | 24 hp (17.9 kW) |
| Drawbar (tested) | 25.16 hp (18.8 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 3 forward and 1 reverse |
| Oil capacity | 8 qts (7.6 L) |
| Transmission type | 3-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Mechanical contracting band brakes |
| Drive | crawler |
| Steering | manual |
PTO
| Engine RPM | 540@1622 |
|---|---|
| Rear PTO Type | 540 (1.375) |
Dimensions & Tires
| Gauge | 42/48/56/60/72 inches (106/121/142/152/182 cm) |
|---|---|
| Height (hood) | 51 inches (129 cm) |
| Length | 96 inches (243 cm) |
| Operating weight | 4471 lbs (2028 kg) |
| Shipping weight | 3400 lbs (1542 kg) |
| Width | 50 inches*Minimum at 42-inch gauge. (127 cm) |
ATC GT-30 Tracks
| Area on ground | 1060 in² (0.7 m²) |
|---|---|
| Length on ground | 53 inches (134 cm) |
| Width | 10 inches (25 cm) |
Belt Pulley
| Diameter | 8.5 inches (21 cm) |
|---|---|
| RPM | 1192 |
| Speed | 2652 ft/min (808.33 meters/min) |
| Width | 6.5 inches (16 cm) |
Dimensions & Tracks
| Description | 10-inch tracks |
|---|---|
| Weight | 3400 to 4471 pounds |
GT-30 Serial Numbers
| 1951 | 10001 |
|---|---|
| 1952 | 10488 |
| 1953 | 11197 |
| 1954 | 11359 |
| Description | FAQ: How to read a serial number table. |
| Final | 11463 |
Nebraska Tractor Test 471
| Belt fuel use (max) | 2.8 gal/hour (10.6 l/hour) |
|---|---|
| Belt power (max) | 30.41 hp (22.7 kW) |
| Description | Gasoline 3-speed crawlerMay 19 - 27, 1952Link: Nebraska Tractor Test 471 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 25.16 hp (18.8 kW) |
| Max pull | 4,518 lbs (2049 kg) |
References
| Description | New TerraTrac GT 30 published in 1951, by American Tractor Corporation |
|---|