12 material differences

Tractor oneInternational Harvester Farmall 6561965–1972No measured PTO figureTractor twoSOMECA 670 (DT)1968–1971No measured PTO figure

Which should you choose?

Read our verdict on the Farmall 656 and the 670 (DT) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

International Harvester Farmall 656 and SOMECA 670 (DT), field by field
Field	Farmall 656	670 (DT)	Gap
Engine
Engine power, claimed claimed	64.1 hp	64.1 hp	—
Engine declared	INTERNATIONAL HARVESTER C-263	O.M.-FIAT CO 3/60	differs
Displacement declared	—	4.56 L	—
Maximum torque declared	—	207 lb·ft · 281 N·m	—
Transmission
Top speed declared	15.5–21.1 mph · 25–34 km/h	14.9 mph · 24 km/h	differs
Clutch declared	Pedal-operated dry single-disc clutch	Pedal-operated two-stage dry FEREDO double clutch type 11/10"	differs
Hydraulics & hitch
Pump flow declared	12.0 gpm · 45.5 L/min	6.1 gpm · 23.2 L/min	+96% Farmall 656
Pressure declared	—	2,843 psi · 196 bar	—
Rear PTO speeds declared	540/1000 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	6,250 lb · 2,835 kg	6,041 lb · 2,740 kg	—
Wheelbase declared	96.3 in · 2,446 mm	91.2 in · 2,316 mm	+6% Farmall 656
Length declared	152.0 in · 3,861 mm	142.3 in · 3,615 mm	+7% Farmall 656
Width declared	87.0 in · 2,210 mm	77.6–96.1 in · 1,970–2,440 mm	differs
Height, over the steering wheel declared	77.0 in · 1,956 mm	69.9 in · 1,775 mm	+10% Farmall 656
Ground clearance declared	21.0 in · 533 mm	13.4 in · 340 mm	+57% Farmall 656
Turning radius, braked declared	9.1 ft · 2.77 m	12.9 ft · 3.93 m	+42% 670 (DT)
Fuel tank declared	132.1 qt · 125.0 L	84.5 qt · 80.0 L	+56% Farmall 656

Source

Source