SOMECA SOM-511 vs ZETOR 5711

11 material differences · fewer than 12

Tractor one

1964–1965

No measured PTO figure

Tractor two

1972–1977

No measured PTO figure

Which should you choose?

Read our verdict on the SOM-511 and the 5711 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

SOMECA SOM-511 and ZETOR 5711, field by field
Field	SOM-511	5711	Gap
Engine
Engine power, claimed claimed	54.3 hp	54.3 hp	—
Engine declared	O.M.-FIAT CO 2D-45	ZETOR Z-5501	differs
Displacement declared	4.40 L	3.12 L	+41% SOM-511
Maximum torque declared	—	141 lb·ft · 191 N·m	—
Transmission
Top speed declared	13.7 mph · 22 km/h	15.5 mph · 25 km/h	+14% 5711
Clutch declared	Pedal-operated two-stage dry FERODO double clutch	Pedal-operated, dry two-stage ZETOR double clutch with mechanical clutch booster	differs
Hydraulics & hitch
Pump flow declared	4.0 gpm · 15.2 L/min	5.3 gpm · 20.0 L/min	+32% 5711
Pressure declared	2,988 psi · 206 bar	—	—
Three-point lift at ends declared	3,285 lb · 1,490 kg	3,748 lb · 1,700 kg	+14% 5711
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	5,567 lb · 2,525 kg	5,622 lb · 2,550 kg	—
Wheelbase declared	80.0 in · 2,032 mm	88.5 in · 2,247 mm	+11% 5711
Length declared	133.9 in · 3,400 mm	138.6 in · 3,520 mm	—
Width declared	68.7 in · 1,745 mm	70.5 in · 1,790 mm	—
Height declared	72.0 in · 1,829 mm	64.2 in · 1,630 mm	+12% SOM-511
Ground clearance declared	16.1 in · 410 mm	17.3 in · 440 mm	+7% 5711
Turning radius, braked declared	10.8 ft · 3.30 m	11.5 ft · 3.50 m	+6% 5711
Fuel tank declared	59.2 qt · 56.0 L	83.5 qt · 79.0 L	+41% 5711

Source

Source