Fiat 680 (DT) vs International Harvester 684

8 material differences · fewer than 12

Tractor one

Fiat 680 (DT)

1978–1984

No measured PTO figure

Tractor two

International Harvester 684

1977–1981

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because their unladen weight differs by more than 25% (40%). 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

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

Fiat 680 (DT) and International Harvester 684, field by field
Field680 (DT)684Gap
Engine
Engine power, claimed claimed67 hp68.0 hp
Engine declaredFIAT-IVECO 8045.02.270 (370)INTERNATIONAL-HARVESTER D-239differs
Displacement declared3.46 L3.91 L+13% 684
Maximum torque declared162 lb·ft · 220 N·m
Transmission
Top speed declared15.5–18.6 mph · 25–30 km/h15.5 mph · 25 km/hdiffers
Clutch declaredDry FERODO or LuK double clutch with separate PTO control
Hydraulics & hitch
Pump flow declared6.8 gpm · 25.8 L/min9.9 gpm · 37.5 L/min+45% 684
Pressure declared2,843 psi · 196 bar2,698 psi · 186 bar+5% 680 (DT)
Three-point lift at ends declared4,409 lb · 2,000 kg
Rear PTO speeds declared540/1000 rpm540/1000 rpm
Weight & dimensions
Unladen weight declared7,275 lb · 3,300 kg5,181 lb · 2,350 kg+40% 680 (DT)
Wheelbase declared89.2 in · 2,265 mm88.0 in · 2,235 mm
Length declared138.1 in · 3,507 mm146.5 in · 3,720 mm+6% 684
Width declared68.9 in · 1,750 mm70.1 in · 1,780 mm
Height declared100.6 in · 2,555 mm99.6 in · 2,530 mm
Ground clearance declared20.1 in · 511 mm14.6 in · 370 mm+38% 680 (DT)
Turning radius, braked declared11.2 ft · 3.40 m10.9 ft · 3.33 m
Fuel tank declared84.5 qt · 80.0 L81.4 qt · 77.0 L

Fiat 680 (DT) sources

Source
  • Source: Traktorenlexikon, “Fiat 680 /680 DT”

International Harvester 684 sources

Source
  • Source: Traktorenlexikon, “IHC 684”
  • Source: Traktorenlexikon, “IHC 574”