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Model history
Model introduced 1959
Model discontinued 1962
Model status Discontinued
Preceded by TD-24 Series 241
Superseded by International TD-25B
Engine Specification
Engine make International
Engine model DT-817
Fuel type diesel
Power hp 230 net engine
Governed rpm 1500
Displacement cu in /(litre) 817 ci
No. of Cylinders 6
Bore in (mm) 5.375 in
Stroke in (mm) 6 in
Cooling system water
Naturally aspirated, Turbo or Supercharged turbocharged
Transmission Details
Transmission type 2-speed constant mesh with torque converter and 2-speed planetary power shift in each track
Gearbox make International
Forward 4
Reverse 4
Drive crawler
General Data
Linkage Category drawbar
Tyre Sizes (std/options)
Front 24" tracks
Tractor Dimensions
Height (inches/meters) 97"
Weight (nominal) lb/kg 45200 lb
Wheelbase 80" gauge
Other info
Factories USA
Plow rating 20-14"
Approximate Cost new in (year) $59900 (1962)
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The International TD-25TC Series 250 was a diesel engined crawler tractor built by the International Harvester company from 1959 to 1962 in the USA.

Model history[]

For Company history, see International Harvester.

For gear drive version see: International TD-25 Series 250

The International TD-25 Series 250TC was identical to the gear drive TD-25 Series 250, except that the 4-speed syncromesh main transmission was replaced with a 2-speed constant mesh and torque converter. Combined with the "Planet Power Steering" 2-speed power shift tracks this gave 4-speeds forward and reverse. The 230 hp (170 kW) net 4-speed TD-25TC competed with the 225 hp (168 kW), 2-speed plus torque converter, Allis-Chalmers HD-21 and the 235 hp (175 kW), 3-speed power shift and torque converter, Caterpillar D8H.

Timeline[]

  • 1959 - TD-25TC Series 250 replaced TD-24 Torque Converter Series 241
  • 1962 - TD-25B-TC replaced TD-25TC Series 250

Factory locations[]

Specification[]

See Infobox for basic details

  • Track frame: 7 rollers, 2 top idlers
  • Track gauge: 80"
  • Track shoe width: 24"

Variations and Options[]

  • Optional track shoe width: 26"

Serial Numbers Information[]

Year Serial no. run
start
Serial no. run
End
Number Built Notes
1959 501 588 88 Total calculated from serial range
1960 589
1961 1501 1660 160
1962 1661 1800 140
Total built Included with gear drive TD-25

Preservation[]

No information on any individual examples of these tractors in preservation is currently available on here.

Do you know of any examples to list ?

Gallery[]

Add extra photos here please.


See also[]

Collection related info
  • Shows and Meets - events featuring tractors and other machinery
  • Clubs Listing - List of clubs including various tractor marques
  • Collections - list of private collections with tractors (add yours)
  • Museums - includes museums featuring tractors (please add missing ones)

References / Sources[]

External Links[]