ALLIS-CHALMERS FD-5 vs SOMECA 500 Special (TD)

11 material differences · fewer than 12

Tractor one

1963–1965

No measured PTO figure

Tractor two

1972–1983

No measured PTO figure

Which should you choose?

Read our verdict on the FD-5 and the 500 Special (TD) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

11 material differences · 3 fields identical or within 5%, which is not counted as material

ALLIS-CHALMERS FD-5 and SOMECA 500 Special (TD), field by field
Field	FD-5	500 Special (TD)	Gap
Engine
Engine power, claimed claimed	49.3 hp	49.3 hp	—
Engine declared	VENDEUVRE 66	FIAT-IVECO 8035.02.203/303	differs
Displacement declared	—	2.59 L	—
Maximum torque declared	156 lb·ft · 212 N·m	116 lb·ft · 157 N·m	+35% FD-5
Transmission
Top speed declared	15.5 mph · 25 km/h	15.5 mph · 25 km/h	—
Clutch declared	Pedal-operated dry two-stage double clutch	dry LuK double clutch	differs
Hydraulics & hitch
Pump flow declared	—	5.8 gpm · 21.8 L/min	—
Pressure declared	—	2,843 psi · 196 bar	—
Three-point lift at ends declared	2,205 lb · 1,000 kg	3,417 lb · 1,550 kg	+55% 500 Special (TD)
Rear PTO speeds declared	540/1000 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	5,412 lb · 2,455 kg	4,145 lb · 1,880 kg	+31% FD-5
Wheelbase declared	89.8 in · 2,281 mm	76.9 in · 1,953 mm	+17% FD-5
Length declared	129.9 in · 3,300 mm	119.7 in · 3,041 mm	+9% FD-5
Width declared	68.9 in · 1,750 mm	65.4 in · 1,660 mm	+5% FD-5
Height declared	60.2 in · 1,530 mm	61.1 in · 1,553 mm	—
Ground clearance declared	19.3 in · 490 mm	18.1 in · 459 mm	+7% FD-5
Turning radius, braked declared	—	9.7 ft · 2.95 m	—
Fuel tank declared	74.0 qt · 70.0 L	57.1 qt · 54.0 L	+30% FD-5

Source

Source