11 material differences · fewer than 12

Tractor oneFiat 666 (DT)1982–1986No measured PTO figureTractor twoRenault 68-14 RS1984–1987No measured PTO figure

Which should you choose?

Read our verdict on the 666 (DT) and the 68-14 RS → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Fiat 666 (DT) and Renault 68-14 RS, field by field
Field	666 (DT)	68-14 RS	Gap
Engine
Engine power, claimed claimed	67 hp	67 hp	—
Engine declared	FIAT-IVECO 8045.02.276 or 376	MWM D 227-4	differs
Displacement declared	3.46 L	3.77 L	+9% 68-14 RS
Maximum torque declared	161 lb·ft · 218 N·m	166 lb·ft · 225 N·m	—
Transmission
Top speed declared	15.5–18.6 mph · 25–30 km/h	18.6 mph · 30 km/h	differs
Clutch declared	—	Dry LuK double clutch	—
Hydraulics & hitch
Pump flow declared	—	10.9 gpm · 41.2 L/min	—
Pressure declared	—	1,595 psi · 110 bar	—
Three-point lift, at the coupling points declared	6,923 lb · 3,140 kg	6,614 lb · 3,000 kg	—
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	5,688 lb · 2,580 kg	7,945 lb · 3,604 kg	+40% 68-14 RS
Wheelbase declared	90.7 in · 2,305 mm	94.3 in · 2,394 mm	—
Length declared	134.3 in · 3,412 mm	159.8 in · 4,058 mm	+19% 68-14 RS
Width declared	77.2 in · 1,960 mm	71.7–87.8 in · 1,820–2,229 mm	differs
Height, over the cab declared	92.7 in · 2,355 mm	102.6 in · 2,607 mm	+11% 68-14 RS
Ground clearance declared	19.5 in · 495 mm	14.8 in · 377 mm	+31% 666 (DT)
Turning radius, braked declared	12.6 ft · 3.84 m	15.5 ft · 4.71 m	+23% 68-14 RS
Fuel tank declared	77.1 qt · 73.0 L	114.1 qt · 108.0 L	+48% 68-14 RS

Source

Source