International Harvester TD-18A tractor specifications

1949 - 1958

1949 - 1958 Model year 1949-19551955-19561956-1958 Agricultural Crawler tractor

Production

Production Manufacturer:International Harvester
Type:Agricultural Crawler tractor
Factory:Melrose Park, Illinois, USA
Total built:22,016

International Harvester TD-18A Power

International Harvester TD-18A Power Drawbar (claimed):87 hp
64.9 kW
Belt (claimed):101 hp
75.3 kW
Drawbar (tested):85.61 hp
63.8 kW
Belt (tested):97.83 hp
73.0 kW
power test details ...

1949 - 1958

Model year 1949-19551955-19561956-1958

Agricultural Crawler tractor

Nebraska Tractor Test 446

Nebraska Tractor Test 446
Diesel 6-speed crawler June 27 - July 18, 1950 Link: Nebraska Tractor Test 446 file
Belt power (max):	97.83 hp 73.0 kW
Belt fuel use (max):	6.7 gal/hour 25.4 l/hour
Drawbar performance
Max power:	85.61 hp 63.8 kW
Gear 2 used for power test.
Max pull:	20,234 lbs 9178 kg
Gear 1 used for pull test.

International Harvester TD-18A Engine

International Harvester TD-18A Engine International Harvester 11.3L 6-cyl diesel Fuel tank:60 gal
227.1 L
Aux. fuel:1.33 gal
5.0 L
Engine details ...

1949 - 1958

Model year 1949-19551955-19561956-1958

Agricultural Crawler tractor

Engine Detail

Engine Detail
International Harvester D-691
diesel
6-cylinder
liquid-cooled vertical I-head
Displacement:	691.1 ci 11.3 L
Bore/Stroke:	4.75x6.50 inches 121 x 165 mm
Air cleaner:	oil bath
Compression:	15.5:1
Rated RPM:	1350
Starter:	gasoline-start
Starter volts:	12
Oil capacity:	26 qts 24.6 L
Coolant capacity:	104 qts 98.4 L

Mechanical

Mechanical Chassis:crawler
Steering:mechanical steering clutches
Brakes:mechanical contracting band
Cab:Open operator station.
Transmission:6-speed gear
Transmission details ...

1949 - 1958

Model year 1949-19551955-19561956-1958

Agricultural Crawler tractor

Transmission

Transmission
Type:	gear
Gears:	6 forward and 2 reverse

Speeds

Speeds

Dimensions & Tracks

Dimensions & Tracks Weight:22830 to 23630 pounds
tracks Full dimensions and tracks ...

1949 - 1958

Model year 1949-19551955-19561956-1958

Agricultural Crawler tractor

International Harvester TD-18A Tracks

International Harvester TD-18A Tracks
Size:	tracks

Dimensions

Dimensions
Length:	166 inches 421 cm
Width:	95 inches 241 cm
Height:	106 inches 269 cm
Shiping weight:	22830 lbs 10355 kg (narrow gauge)
	23630 lbs 10718 kg (wide gauge)

TD-18A Serial Numbers

TD-18A Serial Numbers Location:upper-left dash
1949:22536 (TDR)
1950:22837 (TDR)
1951:24668 (TDR)
1952:27245 (TDR)
1953:29201 (TDR)
1954:32089 (TDR)
1955:33507 (TDR)
Final:33649 (TD181)
1955:33650 (TD181)
1956:35725 (TD181)
Final:36100 (TD181)
1956:36101 (TD182)
1957:37882 (TD182)
1958:38805 (TD182)
Final:38861 (TD182)

how to read serial numbers...