Ford 4000 (A) 6X/6Y vs SOMECA 550 (DT)

9 material differences · fewer than 12

Tractor one

1964–1975

No measured PTO figure

Tractor two

1968–1971

No measured PTO figure

Which should you choose?

Read our verdict on the 4000 (A) 6X/6Y and the 550 (DT) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Ford 4000 (A) 6X/6Y and SOMECA 550 (DT), field by field
Field	4000 (A) 6X/6Y	550 (DT)	Gap
Engine
Engine power, claimed claimed	51.2 hp	51.2 hp	—
Engine declared	Ford ND 2.506 E or 2.512 E	O.M.-FIAT 854.000 or A 1.000	differs
Displacement declared	3.29 L	3.12 L	+5% 4000 (A) 6X/6Y
Maximum torque declared	—	137 lb·ft · 186 N·m	—
Transmission
Top speed declared	12.4–18.6 mph · 20–30 km/h	14.9 mph · 24 km/h	differs
Clutch declared	Dry Borg & Beck double clutch	pedal-operated dry Feredo two-stage double clutch	differs
Hydraulics & hitch
Pump flow declared	5.3 gpm · 20.1 L/min	5.8 gpm · 21.8 L/min	+8% 550 (DT)
Pressure declared	2,489 psi · 172 bar	2,843 psi · 196 bar	+14% 550 (DT)
Three-point lift at ends declared	3,201 lb · 1,452 kg	3,197 lb · 1,450 kg	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	4,579 lb · 2,077 kg	4,542 lb · 2,060 kg	—
Wheelbase declared	84.5 in · 2,146 mm	81.5 in · 2,070 mm	—
Length declared	138.6 in · 3,520 mm	135.0 in · 3,430 mm	—
Width declared	60.0 in · 1,524 mm	66.5 in · 1,690 mm	+11% 550 (DT)
Height declared	91.0 in · 2,311 mm	71.5 in · 1,815 mm	+27% 4000 (A) 6X/6Y
Ground clearance declared	17.3 in · 440 mm	16.5 in · 420 mm	—
Turning radius, braked declared	10.7 ft · 3.25 m	10.3 ft · 3.13 m	—
Fuel tank declared	63.9 qt · 60.5 L	57.1 qt · 54.0 L	+12% 4000 (A) 6X/6Y

Source

Source