TractorDex
TractorDexIndex
SEST.1950
FrancePart of IndependentEst. 1950

SOMECA Tractors & Lineup

SOMECA, short for La Societe de Mecanique de la Seine, was a significant player in the agricultural machinery industry with roots tracing back to the 1950s. Originally established as a subsidiary of the French automobile manufacturer SIMCA, SOMECA's early success was built on the acquisition of MAP and its innovative two-stroke diesel engine technology. This strategic move positioned SOMECA as a key manufacturer of compact and efficient tractors that were well-suited to the needs of European farmers. In the 1960s, SOMECA came under the control of Fiat, the Italian automotive giant, which acquired a majority stake in the company. This partnership allowed SOMECA to integrate its product line with Fiat's extensive agricultural machinery division. The collaboration resulted in the production of a range of tractors and agricultural equipment that combined SOMECA's engineering expertise with Fiat's manufacturing capabilities. However, by 1983, SOMECA's identity as a separate brand was phased out as it was fully absorbed into FiatAgri, Fiat's agricultural machinery division. This marked the end of SOMECA as an independent brand, but its legacy lived on through the continued production of its tractor models under the FiatAgri banner.

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4
Indexed Models
25 - 55 hp
Power Spectrum

SOMECA Flagship Fleet

Peak Engineering

Highest-horsepower machines and verified showroom models from the SOMECA catalog

ARCHIVE SPEC2WD
55HP
S
Som 55
Official Technical Blueprint Record
Power Leader
SOMECA

Som 55

2WD
unknown2WD
40HP
S
Som 45
Official Technical Blueprint Record
SOMECA

Som 45

2WDunknown
ARCHIVE SPEC2WD
38HP
S
DA 50
Official Technical Blueprint Record
SOMECA

DA 50

2WD
ARCHIVE SPEC2WD
25HP
S
Som 25
Official Technical Blueprint Record
SOMECA

Som 25

2WD

SOMECA Horsepower Spectrum & Fleet Distribution

Calculated across 4 power-indexed models in the SOMECA catalog

Range: 25 – 55 HP
Fleet Avg: 40 HP
Compact & Sub
3 (75%)
< 50 HP
Utility & Field
1 (25%)
50 – 149 HP
Row-Crop Heavy
0 (0%)
150 – 299 HP
High-Draft Titans
0 (0%)
300+ HP Articulated

SOMECA Model Lineup (4)