Fiat 1580 (DT) vs International Harvester 1086

12 material differences

Tractor one

1979–1984

No measured PTO figure

Tractor two

1976–1979

No measured PTO figure

Which should you choose?

Read our verdict on the 1580 (DT) and the 1086 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

12 material differences · 3 fields identical or within 5%, which is not counted as material

Fiat 1580 (DT) and International Harvester 1086, field by field
Field	1580 (DT)	1086	Gap
Engine
Engine power, claimed claimed	153.0 hp	131.2 hp	+17% 1580 (DT)
Engine declared	FIAT-IVECO 8365.25.500 or 8365.05.501	INTERNATIONAL HARVESTER DT-414	differs
Displacement declared	8.10 L	6.78 L	+19% 1580 (DT)
Maximum torque declared	423–456 lb·ft · 573–618 N·m	391 lb·ft · 530 N·m	differs
Transmission
Top speed declared	15.5–18.6 mph · 25–30 km/h	18.6 mph · 30 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	12.0 gpm · 45.4 L/min	+23% 1580 (DT)
Pressure declared	3,336–3,481 psi · 230–240 bar	—	—
Three-point lift at ends declared	10,878 lb · 4,934 kg	7,352 lb · 3,335 kg	+48% 1580 (DT)
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	14,330 lb · 6,500 kg	12,725 lb · 5,772 kg	+13% 1580 (DT)
Maximum permissible mass declared	22,046 lb · 10,000 kg	—	—
Wheelbase declared	116.7 in · 2,963 mm	104.8 in · 2,662 mm	+11% 1580 (DT)
Length declared	170.3 in · 4,325 mm	168.0 in · 4,267 mm	—
Width declared	92.9 in · 2,360 mm	102.0 in · 2,591 mm	+10% 1086
Height declared	109.6 in · 2,785 mm	115.0 in · 2,921 mm	—
Ground clearance declared	27.4 in · 695 mm	13.0 in · 330 mm	+111% 1580 (DT)
Turning radius, braked declared	15.1 ft · 4.60 m	11.6 ft · 3.53 m	+30% 1580 (DT)
Fuel tank declared	190.2 qt · 180.0 L	252.0 qt · 238.5 L	+33% 1086

Source

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