- WhichTractor size: Utility
- No lab test on file
- 1961–1963
It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
SOMECA SOM-55 specs: hp, weight, years
O.M.-FIAT CO 1D/55 four-cylinder diesel or O.M.-FIAT CO 2D/55 diesel. The manufacturer claimed 54.3 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
54.3 hp
40.5 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “Someca SOM 55”, claimed
This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.
- Weight
- 5,776 lb
- 3-point lift
- 2,976 lb
- Hyd. flow
- 5.7 gpm
- Top speed
- 14.9 mph
SOMECA SOM-55 specs: key facts
The SOMECA SOM-55 was built from 1961 to 1963.
The SOMECA SOM-55 has a claimed engine power (gross or net not stated) of 40.5 kW (54.3 hp); it has no measured PTO figure.
The SOMECA SOM-55 is two-wheel drive (2WD).Source 2
The SOMECA SOM-55 has a O.M.-FIAT CO 1D/55 engine, a 4-cylinder 4.16 L diesel unit.
The SOMECA SOM-55 weighs 2,620 kg (5,776 lb) unladen.
The SOMECA SOM-55 has an independent rear PTO running at 540 rpm.
The three-point hitch of the SOMECA SOM-55 lifts 1,350 kg (2,976 lb) at the lower-link ends.
The hydraulic pump of the SOMECA SOM-55 delivers 21.5 L/min (5.7 gpm).
Source · Traktorenlexikon, “Someca SOM 55”
How much horsepower does a SOM-55 have?
The only figure for the SOM-55 is 54.3 hp (40.5 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “Someca SOM 55”
What engine is in a SOM-55?
A SOM-55 has an O.M.-FIAT CO 1D/55, a 4-cylinder 4.16 L diesel engine. Diesel tractors have a O.M.-FIAT CO 2D/55.
| Make & model | O.M.-FIAT CO 1D/55 |
|---|---|
| Cylinders | 4, liquid-cooled |
| Displacement | 253.6 ci · 4.16 L |
| Electrical system | 12 V |
Source · Traktorenlexikon, “Someca SOM 55”
How much will a SOM-55 lift, and what is its hydraulic flow?
A SOM-55 lifts 2,976 lb (1,350 kg) at the lower-link ends of its Category 2 three-point hitch.
| Pump flow | 5.7 gpm · 21.5 L/min |
|---|---|
| Pressure | 2,988 psi · 206 bar |
| Hitch category | Category 2 |
| Lift at ends | 2,976 lb · 1,350 kg |
| Rear PTO | Independent, engine-driven, 540 rpm @ 1,520 engine rpm |
Source · Traktorenlexikon, “Someca SOM 55”
What transmission does a SOM-55 have?
Transmission specifications for the SOM-55 are below.
| Clutch | pedal operated two stage dry FERODO double clutch |
|---|---|
| Brakes | pedal operated disc brake acting on differential shafts acting as steering brake |
| Steering | mechanically operated worm steering |
| Top speed | 14.9 mph · 24 km/h |
Source · Traktorenlexikon, “Someca SOM 55”
How much does a SOM-55 weigh?
A SOM-55 weighs 5,776 lb (2,620 kg) unladen.
| Unladen weight | 5,776 lb · 2,620 kg |
|---|---|
| Wheelbase | 80.0 in · 2,032 mm |
| Length | 140.9 in · 3,580 mm |
| Width | 68.7–95.1 in · 1,745–2,415 mm |
| Height | 72.5 in · 1,841 mm |
| Ground clearance | 15.4 in · 390 mm |
| Front track | 51.3–67.0 in · 1,302–1,702 mm |
| Rear track | 51.1–78.8 in · 1,299–2,001 mm |
| Turning radius, braked | 10.8 ft · 3.30 m |
Source · Traktorenlexikon, “Someca SOM 55”
What oil does a SOM-55 take, and how much?
A SOM-55 engine takes 11.6 qt (11.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 11.6 qt · 11.0 LSource: Traktorenlexikon, “Someca SOM 55” · single source, not independently verified |
| Transmission | 23.8 qt · 22.5 LSource: Traktorenlexikon, “Someca SOM 55” · single source, not independently verified |
| Hydraulic | 14.8 qt · 14.0 LSource: Traktorenlexikon, “Someca SOM 55” · single source, not independently verified |
| Cooling system | 22.2 qt · 21.0 LSource: Traktorenlexikon, “Someca SOM 55” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a SOM-55?
Within 10% of its 54.3 hp of claimed engine power, the same type, and first built within 15 years of it.
- Fiat 513R54.3 hp engine, claimed · 1960–1964Side by side with the SOM-55 →
- Ford 4.00054.3 hp engine, claimed · 1962–1965Side by side with the SOM-55 →
- International Harvester B-45054.3 hp engine, claimed · 1958–1969Side by side with the SOM-55 →
- Renault Master 154.3 hp engine, claimed · 1964–1969Side by side with the SOM-55 →
- SOMECA SOM-51154.3 hp engine, claimed · 1964–1965Side by side with the SOM-55 →
- SAME Centauro54.3 hp engine, claimed · 1965–1969Side by side with the SOM-55 →
Common questions about the SOMECA SOM-55
Is a SOM-55 two-wheel drive or four-wheel drive?
The SOMECA SOM-55 is two-wheel drive (2WD).
What PTO does a SOM-55 have?
A SOM-55 has a independent 540 rpm rear PTO.
Sources and how this page was built
Compiled from Traktorenlexikon, “Someca SOM 55”; and Traktorenlexikon, “Someca SOM 55 Super”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: Someca SOM 55 — CC BY-SA 4.0, WIKIBOOKS-TL-121115 · revision 1063343. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: Someca SOM 55 Super — CC BY-SA 4.0, WIKIBOOKS-TL-121116 · revision 1063514. Wikibooks contributors (Traktorenlexikon). Original document