International Harvester 3788 vs International Harvester 6788

4 material differences · fewer than 12

Tractor one

International Harvester 3788

1979–1981

No measured PTO figure

Tractor two

International Harvester 6788

1981–1984

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because their power is identical, with the same weight or the same engine, which usually means one machine sold under two names; any difference below comes from how each source describes it. 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

4 material differences · 10 fields identical or within 5%, which is not counted as material

International Harvester 3788 and International Harvester 6788, field by field
Field37886788Gap
Engine
Engine power, claimed claimed170.6 hp170.6 hp
Engine declaredINTERNATIONAL HARVESTER DT-466 BINTERNATIONAL HARVESTER DT-466 B
Displacement declared7.64 L7.64 L
Transmission
Top speed declared18.6 mph · 30 km/h18.6 mph · 30 km/h
Clutch declaredPedal operated dry clutch
Hydraulics & hitch
Pump flow declared12.0 gpm · 45.4 L/min18.0 gpm · 68.1 L/min+50% 6788
Three-point lift at ends declared8,598 lb · 3,900 kg8,598 lb · 3,900 kg
Rear PTO speeds declared1000 rpm1000 rpm
Weight & dimensions
Unladen weight declared18,620 lb · 8,446 kg18,620 lb · 8,446 kg
Wheelbase declared110.0 in · 2,794 mm110.0 in · 2,794 mm
Length declared228.0 in · 5,791 mm228.3 in · 5,799 mm
Width declared101.6 in · 2,581 mm112.0 in · 2,845 mm+10% 6788
Height declared115.8 in · 2,941 mm115.8 in · 2,941 mm
Ground clearance declared23.2 in · 589 mm28.4 in · 721 mm+22% 6788
Fuel tank declared360.0 qt · 340.7 L356.1–555.8 qt · 337.0–526.0 Ldiffers

International Harvester 3788 sources

Source
  • Source: Traktorenlexikon, “IHC 3788”
  • Source: Traktorenlexikon, “IHC 3588”

International Harvester 6788 sources

Source
  • Source: Traktorenlexikon, “IHC 6788”
  • Source: Traktorenlexikon, “IHC 3588”