10 material differences · fewer than 12

Tractor oneFiat 1580 (DT)1979–1984No measured PTO figureTractor twoSteyr 9155 a1993–1995No measured PTO figure

Which should you choose?

Read our verdict on the 1580 (DT) and the 9155 a → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Fiat 1580 (DT) and Steyr 9155 a, field by field
Field	1580 (DT)	9155 a	Gap
Engine
Engine power, claimed claimed	153.0 hp	153.0 hp	—
Engine declared	FIAT-IVECO 8365.25.500 or 8365.05.501	Steyr-VALMET WD 620	differs
Displacement declared	8.10 L	6.60 L	+23% 1580 (DT)
Maximum torque declared	423–456 lb·ft · 573–618 N·m	474 lb·ft · 643 N·m	differs
Transmission
Top speed declared	15.5–18.6 mph · 25–30 km/h	24.9 mph · 40 km/h	differs
Clutch declared	Pedal-operated Ferodo or LuK single-plate clutch	—	—
Hydraulics & hitch
Pump flow declared	14.7 gpm · 55.8 L/min	—	—
Pressure declared	3,336–3,481 psi · 230–240 bar	2,277–2,350 psi · 157–162 bar	differs
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	14,330 lb · 6,500 kg	13,338 lb · 6,050 kg	+7% 1580 (DT)
Maximum permissible mass declared	22,046 lb · 10,000 kg	24,251 lb · 11,000 kg	+10% 9155 a
Wheelbase declared	116.7 in · 2,963 mm	115.2 in · 2,925 mm	—
Length declared	170.3 in · 4,325 mm	203.3 in · 5,165 mm	+19% 9155 a
Width declared	92.9 in · 2,360 mm	96.5 in · 2,450 mm	—
Height, over the cab declared	109.6 in · 2,785 mm	112.6 in · 2,860 mm	—
Ground clearance declared	27.4 in · 695 mm	19.7 in · 500 mm	+39% 1580 (DT)
Turning radius, braked declared	15.1 ft · 4.60 m	—	—
Fuel tank declared	190.2 qt · 180.0 L	274.7 qt · 260.0 L	+44% 9155 a

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