Skip to content
TractorStack.
An independent tractor referenceSpecifications. Sources. Side by side.
Search
Find your tractor.
Menu ☰
Years in Production / 1961–1963
SOMECA
Som 55
Explore the specifications, hardware, and original references for the SOMECA Som 55.

No photo
55hp
Source index power
2WD Only
Drive
1961–1963
Production years
SOMECA
Manufacturer
Som 55 / 01
At a glance
Production
Built in France
- Manufacturer
- SOMECA
Hydraulics
- Pump Flow
- 5.7 gpm21.6 lpm
Hitch
- Rear Type
- II
- Control
- position and draft control
- Rear Lift
- 2646 lbs1200 kg
Pto
- Rear Pto
- independent
- Rear Type
- 540 (1.375)
Electrical
- Ground
- negative
- Battery Volts
- 12
Mechanical
Two-wheel drive
Disc brakes
Open operator station.
Som 55 / 02
Under the hood
Engine Detail
Fiat CO1 D/55
diesel
4-cylinder
liquid-cooled
- Displacement
- 253.6 ci4.2 L
- Bore Stroke
- 4.13x4.72 inches105 x 120 mm
- Power
- 55 hp41.0 kW
- Compression Ratio
- 15:1
- Rated Rpm
- 1750
- Firing Order
- 1-3-4-2
- Starter
- electric
- Starter Volts
- 12
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
Fiat 4.2L 4-cyl diesel
- Fuel Tank
- 23.3 gal88.2 L
Som 55 / 03
Gears & controls
Transmission
Three gears, plus reverse, in two ranges with additional seventh gear available in both ranges. Amplicouple provides an additional low range for each gear.
- Transmission
- Amplicouple
- Gears
- 14 forward and 4 reverse
Som 55 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 140.9 in357 cm
- Width
- 68.9 in175 cm
- Height
- 72.5 in184 cm
- Wheelbase
- 79.9 in202 cm
- Front tread
- 51.2 in130 cm
- Rear tread
- 51.2 in130 cm
Dimensions And Tires
- Wheelbase
- 79.9 inches202 cm
- Weight
- 5776 lbs2619 kg
- Front Tire
- 6.50-20
- Rear Tire
- 14-30
Tires And Tracks
- Front Ag
- 6.50-20
- Rear Ag
- 14-30
- Rear Ag
- 12-38