11 material differences · fewer than 12

Tractor oneFiat 580 (DT)1978–1984No measured PTO figureTractor twoJ.I. Case 1290 (DT)1980–1984No measured PTO figure

Which should you choose?

We will not advise between these two machines, because their unladen weight differs by more than 25% (28%). 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

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

Fiat 580 (DT) and J.I. Case 1290 (DT), field by field
Field	580 (DT)	1290 (DT)	Gap
Engine
Engine power, claimed claimed	57.3 hp	57.3 hp	—
Engine declared	FIAT-IVECO 8035.04.370 (377)	DAVID BROWN AD 4/49 or AD 4/55	differs
Displacement declared	2.75 L	3.20 L	+16% 1290 (DT)
Maximum torque declared	—	145 lb·ft · 197 N·m	—
Transmission
Top speed declared	15.5–18.6 mph · 25–30 km/h	18.6 mph · 30 km/h	differs
Clutch declared	Dry Ferodo or LuK double clutch with separate PTO actuation	Dry Borg & Beck double clutch	differs
Hydraulics & hitch
Pump flow declared	6.5 gpm · 24.6 L/min	7.5 gpm · 28.4 L/min	+15% 1290 (DT)
Pressure declared	3,191–3,336 psi · 220–230 bar	—	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	5,148 lb · 2,335 kg	6,572 lb · 2,981 kg	+28% 1290 (DT)
Wheelbase declared	84.6 in · 2,150 mm	83.0 in · 2,108 mm	—
Length declared	129.8 in · 3,298 mm	142.9 in · 3,630 mm	+10% 1290 (DT)
Width declared	76.0 in · 1,930 mm	77.6–97.2 in · 1,970–2,470 mm	differs
Height, over the cab declared	98.6 in · 2,504 mm	98.0 in · 2,490 mm	—
Ground clearance declared	19.0 in · 483 mm	21.0 in · 533 mm	+10% 1290 (DT)
Turning radius, braked declared	9.7 ft · 2.95 m	10.4 ft · 3.18 m	+8% 1290 (DT)
Fuel tank declared	84.5 qt · 80.0 L	76.0 qt · 71.9 L	+11% 580 (DT)

Fiat 580 (DT) sources

Source

Source: Traktorenlexikon, “Fiat 580/580 DT”

J.I. Case 1290 (DT) sources