Fiat 580 (DT) vs International Harvester 584

11 material differences · fewer than 12

Tractor one

1978–1984

No measured PTO figure

Tractor two

1977–1981

No measured PTO figure

Which should you choose?

Read our verdict on the 580 (DT) and the 584 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Fiat 580 (DT) and International Harvester 584, field by field
Field	580 (DT)	584	Gap
Engine
Engine power, claimed claimed	57.3 hp	59.1 hp	—
Engine declared	FIAT-IVECO 8035.04.370 (377)	INTERNATIONAL-HARVESTER D-206	differs
Displacement declared	2.75 L	3.38 L	+23% 584
Maximum torque declared	—	129 lb·ft · 175 N·m	—
Transmission
Top speed declared	15.5–18.6 mph · 25–30 km/h	15.5 mph · 25 km/h	differs
Clutch declared	Dry Ferodo or LuK double clutch with separate PTO actuation	Pedal operated dry Laycock single disc clutch	differs
Hydraulics & hitch
Pump flow declared	6.5 gpm · 24.6 L/min	9.8 gpm · 37.0 L/min	+50% 584
Pressure declared	3,191–3,336 psi · 220–230 bar	2,698 psi · 186 bar	differs
Three-point lift at ends declared	—	4,409 lb · 2,000 kg	—
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	5,148 lb · 2,335 kg	5,004 lb · 2,270 kg	—
Wheelbase declared	84.6 in · 2,150 mm	84.5 in · 2,146 mm	—
Length declared	129.8 in · 3,298 mm	143.7 in · 3,650 mm	+11% 584
Width declared	76.0 in · 1,930 mm	69.3 in · 1,760 mm	+10% 580 (DT)
Height declared	98.6 in · 2,504 mm	97.6 in · 2,480 mm	—
Ground clearance declared	19.0 in · 483 mm	14.1 in · 358 mm	+35% 580 (DT)
Turning radius, braked declared	9.7 ft · 2.95 m	10.7 ft · 3.25 m	+10% 584
Fuel tank declared	84.5 qt · 80.0 L	81.4 qt · 77.0 L	—

Source

Source