International Harvester TD-18A Specs ( 1949-1958 )
Production
| Description | Agricultural Crawler tractor / Built in Melrose Park, Illinois, USA |
|---|---|
| Manufacturer | International Harvester |
| Total built | 22,016 |
Engine
| Aux. fuel | 1.33 gal (5.0 L) |
|---|---|
| Engine type | International Harvester 11.3L 6-cyl diesel |
| Fuel tank | 60 gal (227.1 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 4.75x6.50 inches (121 x 165 mm) |
| Compression | 15.5:1 |
| Coolant capacity | 104 qts (98.4 L) |
| Description | International Harvester D-691 / diesel / 6-cylinder / liquid-cooled vertical I-head |
| Displacement | 691.1 ci (11.3 L) |
| Oil capacity | 26 qts (24.6 L) |
| Rated RPM | 1350 |
| Starter | gasoline-start |
| Starter volts | 12 |
| Belt (claimed) | 101 hp (75.3 kW) |
| Belt (tested) | 97.83 hp (73.0 kW) |
| Drawbar (claimed) | 87 hp (64.9 kW) |
| Drawbar (tested) | 85.61 hp (63.8 kW) |
Transmission
| Gears | 6 forward and 2 reverse |
|---|---|
| Transmission type | 6-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Mechanical contracting band brakes |
| Drive | crawler |
| Steering | mechanical steering clutches |
Dimensions & Tires
| Height | 106 inches (269 cm) |
|---|---|
| Length | 166 inches (421 cm) |
| Shipping weight | 22830 lbs (narrow gauge) (10355 kg) |
| Width | 95 inches (241 cm) |
Dimensions & Tracks
| Description | Tracks |
|---|---|
| Weight | 22830 to 23630 pounds |
Nebraska Tractor Test 446
| Belt fuel use (max) | 6.7 gal/hour (25.4 l/hour) |
|---|---|
| Belt power (max) | 97.83 hp (73.0 kW) |
| Description | Diesel 6-speed crawlerJune 27 - July 18, 1950Link: Nebraska Tractor Test 446 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 85.61 hp (63.8 kW) |
| Max pull | 20,234 lbs (9178 kg) |
References
| Description | Crawler Tractors for Agriculture - Confidential Sales Manual published in 1951, by International Harvester |
|---|
TD-18A Serial Numbers
| 1949 | 22536 (TDR) |
|---|---|
| 1950 | 22837 (TDR) |
| 1951 | 24668 (TDR) |
| 1952 | 27245 (TDR) |
| 1953 | 29201 (TDR) |
| 1954 | 32089 (TDR) |
| 1955 | 33507 (TDR) / 33650 (TD181) |
| 1956 | 35725 (TD181) / 36101 (TD182) |
| 1957 | 37882 (TD182) |
| 1958 | 38805 (TD182) |
| Description | FAQ: How to read a serial number table. |
| Final | 33649 (TD181) / 36100 (TD181) / 38861 (TD182) |
| Location: | upper-left dash |