Fiat 580 (DT) vs Steyr 658 (a)

13 material differences

Tractor one

1978–1984

No measured PTO figure

Tractor two

1977–1979

No measured PTO figure

Which should you choose?

Read our verdict on the 580 (DT) and the 658 (a) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

13 material differences · 2 fields identical or within 5%, which is not counted as material

Fiat 580 (DT) and Steyr 658 (a), field by field
Field	580 (DT)	658 (a)	Gap
Engine
Engine power, claimed claimed	57.3 hp	54.3 hp	+5% 580 (DT)
Engine declared	FIAT-IVECO 8035.04.370 (377)	Steyr WD-408.42	differs
Displacement declared	2.75 L	3.14 L	+14% 658 (a)
Maximum torque declared	—	142 lb·ft · 192 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	Dry Fichtel & Sachs single-plate clutch	differs
Hydraulics & hitch
Pump flow declared	6.5 gpm · 24.6 L/min	9.0 gpm · 34.0 L/min	+38% 658 (a)
Pressure declared	3,191–3,336 psi · 220–230 bar	2,489 psi · 172 bar	differs
Three-point lift at ends declared	—	5,291 lb · 2,400 kg	—
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	5,148 lb · 2,335 kg	5,644 lb · 2,560 kg	+10% 658 (a)
Maximum permissible mass declared	—	8,818 lb · 4,000 kg	—
Wheelbase declared	84.6 in · 2,150 mm	83.9 in · 2,130 mm	—
Length declared	129.8 in · 3,298 mm	139.6 in · 3,547 mm	+8% 658 (a)
Width declared	76.0 in · 1,930 mm	66.1 in · 1,680 mm	+15% 580 (DT)
Height declared	98.6 in · 2,504 mm	88.2 in · 2,240 mm	+12% 580 (DT)
Ground clearance declared	19.0 in · 483 mm	15.7 in · 400 mm	+21% 580 (DT)
Turning radius, braked declared	9.7 ft · 2.95 m	11.3 ft · 3.45 m	+17% 658 (a)
Fuel tank declared	84.5 qt · 80.0 L	87.7 qt · 83.0 L	—

Source

Source