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Model history
Model introduced 1968
Model discontinued 1973
Model status Discontinued
Preceded by New Model
Engine Specification
Engine make International
Engine model C-200
Fuel type gasoline
Power hp 66 gross, 60 net, 53 pto, 46 drawbar
Governed rpm 2400
Displacement cu in /(litre) 200 ci
No. of Cylinders 4
Bore in (mm) 3.813"
Stroke in (mm) 4.3875"
Cooling system Water
Naturally aspirated, Turbo or Supercharged NA
Transmission Details
Transmission type 5-speed sliding gear
Gearbox make International
Forward 5
Reverse 1
Drive 2-WD
Linkage Category Unknown
Tyre Sizes (std/options)
Front 7.50-16 10-ply standard
Rear 14.9-24 6-ply standard
Tractor Dimensions
Length (inches/metres) 138"
Height (inches/meters) 59"
Weight (nominal) lb/kg 4930 lb
Wheelbase 73"
Other info
Factories USA
Plow rating
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The International 2544 Hydro was an industrial tractor built by International Harvester from 1968 to 1973 in the USA.

Model historyEdit

Main article: International Harvester

For gear drive version see: International 2544 Hydro. For regular utility model see: International 544.

The International 2544 Hydro was the same as the gear drive International 2544 except for its 2-range hydrostatic transmission and increased engine speed of 2400 rpm (to increase engine power and compensate for losses in the hydrostatic pump and drive unit.

Tractor Comparison, tractors with gasoline engines and automated transmissions (hydrostatic, power shift, or torque converter)Edit

The Massey Ferguson MF30 and White 2-62, both with torque converter drive, were the closest competitors for the hydrostatic drive International 2544 Hydro, in both gasoline and diesel versions. The similar-sized Ford 4400, with its Select-O-Speed power shift transmission, was considerably less powerful in 1968 but a larger engine in 1969 brought it closer to the International.

Make & model Pto hp Displace. Speeds Weight (lb) Price-$ (year)
International 2544 Hydro 53 200 2H 4930
Ford 4400 Select-O-Speed 45 192 10P 4483
Ford 4400 Select-O-Speed 50 201 10P 4483
Massey-Ferguson 30 52 212 4C 4225
White 2-62 53 232 6C 5300

Tractor Comparison, tractors with diesel engines and automated transmissions (hydrostatic, power shift, or torque converter)Edit

As with the gasoline-powered version, the diesel International 2544 competed directly with the John Deere JD400 and JD401, Massey Fergusom MF30 (and earlier MF3165), and the improved Ford 4400 introduced in 1969. The diesel-powered Oliver 770 Industrial also had about the same power as the International. The 1968 Ford 4400 and the nearest models from Allis-Chalmers and Minneapolis-Moline had less power than the International.

Make & model Pto hp Displace. Speeds Weight (lb) Price-$ (year)
International 2544 Hydro 53 239 2H 5170
Ford 4400 Select-O-Speed 46 201 10P 4550
Ford 4400 Select-O-Speed 51 201 10P 4550
Massey-Ferguson 30 52 203 4C 5357
White 2-62 53 232 6C 5400

Transmission Types: C=torque converter H=hydrostatic P=power shift

Note: Most specifications and prices in comparison tables from The Official Tractor Blue Book 2010[1], Farm Tractors 1950-1975[2], and Farm Tractors 1975-1995[3]

Timeline Edit

Factory locations Edit

SpecificationEdit

For basic spec see Infobox on the right. Add details here.

  • C-200 4-cylinder gasoline engine
  • 2-range hydrostatic transmission
  • Adjustable front axle
  • Hydrostatic power steering
  • Standard tires
    • Front: 7.50-16 10-ply
    • Rear: 14.9-24 6-ply

OptionsEdit

  • LPG engine
  • D-239 4-cylinder diesel engine
  • Torque Amplifier 2-speed planetary gearbox
  • Forward-reverse shuttle (not available with Torque Amplifier)
  • Heavy-duty fixed tread front axle
  • Power adjusted rear wheels
  • Independent pto
  • Category II 3-point hitch with traction control
  • "Hydra-Touch" hydraulic valves

Serial numbers version)Edit

Year Serial no. run
start[1]
Serial no. run
End
Number Built Notes
1968 12598[4] 12698 Production included with International 544 gear drive
1969 12699 14588
1970 14589 16017
1971 16018 16837
1972 16838 17340
1973 17341 17428[4] Last built
Total built

PreservationEdit

Add details of known examples in preservation;

List of Preserved International 544 Hydro tractors
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Make + Model No. Reg No.
(if known)
Serial No. Build-Date Engine-Type/Make Owner
(if known)
Photo Were seen/Featured in Other info
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Gallery Edit

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See alsoEdit

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/sourcesEdit

  1. 1.0 1.1 Hall, Mike, Ed., The Official Tractor Blue Book 2010, Price Digests, Overland Park, Kansas, 2009
  2. Larsen, Lester, Farm Tractors 1950-1975, American Society of Agricultural Engineers, St. Joseph, Michigan, 1981
  3. Gay, Larry, Farm Tractors 1975-1995, American Society of Agricultural Engineers, St. Joseph, Michigan, 1995
  4. 4.0 4.1 Baumheckel, Ralph and Borghoff, Kent, International Farm Equipment Product History, American Society of Agricultural Engineers, St. Joseph, Michigan, 1997

External linksEdit

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