12 material differences

Tractor oneFiat 615 (DT)1965–1968No measured PTO figureTractor twoInternational Harvester Farmall 6561965–1972No measured PTO figure

Which should you choose?

Read our verdict on the 615 (DT) and the Farmall 656 → 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

Fiat 615 (DT) and International Harvester Farmall 656, field by field
Field	615 (DT)	Farmall 656	Gap
Engine
Engine power, claimed claimed	64.1 hp	64.1 hp	—
Engine declared	O.M.-FIAT CO 2 D/60 Var.10 or Var.12	INTERNATIONAL HARVESTER C-263	differs
Displacement declared	4.40 L	—	—
Maximum torque declared	188 lb·ft · 255 N·m	—	—
Transmission
Top speed declared	14.9 mph · 24 km/h	15.5–21.1 mph · 25–34 km/h	differs
Clutch declared	pedal operated two stage dry FERODO double clutch	Pedal-operated dry single-disc clutch	differs
Hydraulics & hitch
Pump flow declared	7.0 gpm · 26.5 L/min	12.0 gpm · 45.5 L/min	+72% Farmall 656
Pressure declared	2,988 psi · 206 bar	—	—
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	5,997 lb · 2,720 kg	6,250 lb · 2,835 kg	—
Wheelbase declared	85.4 in · 2,170 mm	96.3 in · 2,446 mm	+13% Farmall 656
Length declared	140.9 in · 3,580 mm	152.0 in · 3,861 mm	+8% Farmall 656
Width declared	71.7–98.0 in · 1,820–2,490 mm	87.0 in · 2,210 mm	differs
Height, over the steering wheel declared	66.5 in · 1,690 mm	77.0 in · 1,956 mm	+16% Farmall 656
Ground clearance declared	18.5 in · 470 mm	21.0 in · 533 mm	+13% Farmall 656
Turning radius, braked declared	12.0 ft · 3.65 m	9.1 ft · 2.77 m	+32% 615 (DT)
Fuel tank declared	88.8 qt · 84.0 L	132.1 qt · 125.0 L	+49% Farmall 656

Source

Source