International Harvester 966 vs J.I. Case 1031

7 material differences · fewer than 12

Tractor one

International Harvester 966

1971–1974

No measured PTO figure

Tractor two

J.I. Case 1031

1966–1969

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because they were not built in overlapping years (1971–1974; 1966–1969). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.

Field by field

7 material differences · 3 fields identical or within 5%, which is not counted as material

International Harvester 966 and J.I. Case 1031, field by field
Field9661031Gap
Engine
Engine power, claimed claimed95.6 hp102.1 hp+7% 1031
Engine declaredINTERNATIONAL HARVESTER D-414
Displacement declared6.78 L
Maximum torque declared305 lb·ft · 414 N·m
Transmission
Top speed declared18.6 mph · 30 km/h15.5 mph · 25 km/h+20% 966
Clutch declaredPedal-operated DYNA-LIFE clutch
Hydraulics & hitch
Pump flow declared12.0 gpm · 45.4 L/min
Three-point lift at ends declared5,000 lb · 2,268 kg
Rear PTO speeds declared540/1000 rpm1000 rpmdiffers
Weight & dimensions
Unladen weight declared11,625 lb · 5,273 kg9,334 lb · 4,234 kg+25% 966
Wheelbase declared104.8 in · 2,662 mm108.9 in · 2,767 mm
Length declared165.0 in · 4,191 mm165.0 in · 4,191 mm
Width declared98.0 in · 2,489 mm88.0 in · 2,235 mm+11% 966
Height declared105.0 in · 2,667 mm72.0 in · 1,829 mm+46% 966
Ground clearance declared14.0 in · 356 mm16.0 in · 406 mm+14% 1031
Turning radius, braked declared11.8 ft · 3.61 m11.2 ft · 3.43 m
Fuel tank declared147.9 qt · 140.0 L192.0 qt · 181.7 L+30% 1031

International Harvester 966 sources

Source
  • Source: Traktorenlexikon, “Farmall Farmall 966”
  • Source: Traktorenlexikon, “IHC 966”

J.I. Case 1031 sources

Source
  • Source: Traktorenlexikon, “Case 1031”