Fiat 70-66 (DT) vs International Harvester 664

8 material differences · fewer than 12

Tractor one

1984–1991

No measured PTO figure

Tractor two

1972–1973

No measured PTO figure

Which should you choose?

Read our verdict on the 70-66 (DT) and the 664 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Fiat 70-66 (DT) and International Harvester 664, field by field
Field	70-66 (DT)	664	Gap
Engine
Engine power, claimed claimed	69.1 hp	61.2 hp	+13% 70-66 (DT)
Engine declared	FIAT-IVECO 8045.06.206 or 306	INTERNATIONAL-HARVESTER D-239	differs
Displacement declared	3.61 L	3.91 L	+8% 664
Maximum torque declared	165 lb·ft · 224 N·m	171 lb·ft · 232 N·m	—
Transmission
Top speed declared	18.6–24.9 mph · 30–40 km/h	18.6 mph · 30 km/h	differs
Clutch declared	—	Pedal operated dry single plate clutch	—
Hydraulics & hitch
Pump flow declared	—	12.0 gpm · 45.4 L/min	—
Pressure declared	3,046 psi · 210 bar	—	—
Three-point lift at ends declared	6,393 lb · 2,900 kg	—	—
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	5,864 lb · 2,660 kg	5,948 lb · 2,698 kg	—
Maximum permissible mass declared	10,141 lb · 4,600 kg	—	—
Wheelbase declared	90.7 in · 2,305 mm	74.0 in · 1,880 mm	+23% 70-66 (DT)
Length declared	137.8 in · 3,500 mm	139.0 in · 3,531 mm	—
Width declared	75.2 in · 1,910 mm	70.0 in · 1,778 mm	+7% 70-66 (DT)
Height declared	98.6 in · 2,505 mm	62.0 in · 1,575 mm	+59% 70-66 (DT)
Ground clearance declared	21.9 in · 555 mm	19.0 in · 483 mm	+15% 70-66 (DT)
Turning radius, braked declared	11.3 ft · 3.45 m	—	—
Fuel tank declared	77.1 qt · 73.0 L	70.0 qt · 66.2 L	+10% 70-66 (DT)

Source

Source