SOMECA SOM-55 vs ZETOR 5711
10 material differences · fewer than 12
Which should you choose?
We will not advise between these two machines, because the drive differs (2WD; 2WD / 4WD); they were not built in overlapping years (1961–1963; 1972–1977). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.
Field by field
10 material differences · 6 fields identical or within 5%, which is not counted as material
| Field | SOM-55 | 5711 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 54.3 hp | 54.3 hp | — |
| Engine declared | O.M.-FIAT CO 1D/55 | ZETOR Z-5501 | differs |
| Displacement declared | 4.16 L | 3.12 L | +33% SOM-55 |
| Maximum torque declared | — | 141 lb·ft · 191 N·m | — |
| Transmission | |||
| Top speed declared | 14.9 mph · 24 km/h | 15.5 mph · 25 km/h | — |
| 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 | 5.7 gpm · 21.5 L/min | 5.3 gpm · 20.0 L/min | +8% SOM-55 |
| Pressure declared | 2,988 psi · 206 bar | — | — |
| Three-point lift at ends declared | 2,976 lb · 1,350 kg | 3,748 lb · 1,700 kg | +26% 5711 |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 5,776 lb · 2,620 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 | 140.9 in · 3,580 mm | 138.6 in · 3,520 mm | — |
| Width declared | 68.7 in · 1,745 mm | 70.5 in · 1,790 mm | — |
| Height declared | 72.5 in · 1,841 mm | 64.2 in · 1,630 mm | +13% SOM-55 |
| Ground clearance declared | 15.4 in · 390 mm | 17.3 in · 440 mm | +13% 5711 |
| Turning radius, braked declared | 10.8 ft · 3.30 m | 11.5 ft · 3.50 m | +6% 5711 |
| Fuel tank declared | 93.0 qt · 88.0 L | 83.5 qt · 79.0 L | +11% SOM-55 |
SOMECA SOM-55 sources
Source
- Source: Traktorenlexikon, “Someca SOM 55”
ZETOR 5711 sources
Source
- Source: Traktorenlexikon, “Zetor 5711”
- Source: Traktorenlexikon, “Zetor 5511”