ALLIS-CHALMERS FD-3 vs SOMECA SOM-25 D/E

12 material differences

Tractor one

1962–1965

No measured PTO figure

Tractor two

1960–1963

No measured PTO figure

Which should you choose?

Read our verdict on the FD-3 and the SOM-25 D/E → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

12 material differences · 1 fields identical or within 5%, which is not counted as material

ALLIS-CHALMERS FD-3 and SOMECA SOM-25 D/E, field by field
Field	FD-3	SOM-25 D/E	Gap
Engine
Engine power, claimed claimed	24.7 hp	24.7 hp	—
Engine declared	VENDEUVRE 52	FIAT 614.010	differs
Displacement declared	—	1.14 L	—
Maximum torque declared	53 lb·ft · 71.6 N·m	46 lb·ft · 63 N·m	+14% FD-3
Transmission
Top speed declared	12.4 mph · 20 km/h	13.7 mph · 22 km/h	+10% SOM-25 D/E
Clutch declared	Pedal operated dry two stage double clutch	Pedal-operated dry FERODO single-plate clutch	differs
Hydraulics & hitch
Pump flow declared	—	2.0 gpm · 7.5 L/min	—
Three-point lift at ends declared	1,764 lb · 800 kg	—	—
Rear PTO speeds declared	540/1000 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	3,153 lb · 1,430 kg	2,535 lb · 1,150 kg	+24% FD-3
Wheelbase declared	76.8–80.7 in · 1,950–2,050 mm	66.9 in · 1,700 mm	differs
Length declared	112.2 in · 2,850 mm	105.5 in · 2,680 mm	+6% FD-3
Width declared	63.0 in · 1,600 mm	58.1 in · 1,475 mm	+8% FD-3
Height declared	51.2 in · 1,300 mm	63.0 in · 1,600 mm	+23% SOM-25 D/E
Ground clearance declared	15.7 in · 400 mm	20.5 in · 520 mm	+30% SOM-25 D/E
Turning radius, braked declared	—	9.0 ft · 2.75 m	—
Fuel tank declared	47.6 qt · 45.0 L	25.4 qt · 24.0 L	+88% FD-3

Source

Source