Fiat 566 (DT) vs Renault 551/551.4

9 material differences · fewer than 12

Tractor one

1982–1986

No measured PTO figure

Tractor two

1972–1986

No measured PTO figure

Which should you choose?

Read our verdict on the 566 (DT) and the 551/551.4 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Fiat 566 (DT) and Renault 551/551.4, field by field
Field	566 (DT)	551/551.4	Gap
Engine
Engine power, claimed claimed	57.3 hp	54.3 hp	+5% 566 (DT)
Engine declared	FIAT-IVECO 8035.04.376	MWM D 226-3	differs
Displacement declared	2.75 L	3.12 L	+13% 551/551.4
Maximum torque declared	148 lb·ft · 200 N·m	142 lb·ft · 192 N·m	—
Transmission
Top speed declared	15.5–18.6 mph · 25–30 km/h	15.5 mph · 25 km/h	differs
Clutch declared	—	Dry LuK double clutch	—
Hydraulics & hitch
Pump flow declared	—	7.2 gpm · 27.2 L/min	—
Pressure declared	3,336–3,481 psi · 230–240 bar	—	—
Three-point lift at ends declared	5,732 lb · 2,600 kg	4,497 lb · 2,040 kg	+27% 566 (DT)
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	5,247 lb · 2,380 kg	5,313 lb · 2,410 kg	—
Wheelbase declared	85.6 in · 2,175 mm	83.2 in · 2,114 mm	—
Length declared	127.9 in · 3,249 mm	138.7 in · 3,524 mm	+8% 551/551.4
Width declared	75.6 in · 1,920 mm	64.6 in · 1,640 mm	+17% 566 (DT)
Height declared	94.1 in · 2,390 mm	94.5 in · 2,400 mm	—
Ground clearance declared	20.7 in · 525 mm	17.7 in · 450 mm	+17% 566 (DT)
Turning radius, braked declared	11.8 ft · 3.60 m	10.3 ft · 3.13 m	+15% 566 (DT)
Fuel tank declared	77.1 qt · 73.0 L	68.7 qt · 65.0 L	+12% 566 (DT)

Source

Source