SOMECA

SOMECA Som 55

The SOMECA Som 55 is a farm tractor produced from 1961 to 1963 by SOMECA in France. It features a Fiat 4.2L 4-cylinder liquid-cooled diesel engine producing 55 hp (41.0 kW). The tractor has a 14-speed Amplicouple transmission with 14 forward and 4 reverse gears. It is a two-wheel drive tractor with disc brakes and an open operator station. The hydraulic system has a pump flow of 5.7 gpm (21.6 lpm). The rear tractor hitch is type II with position and draft control and a rear lift capacity of 2646 lbs (1200 kg). The rear PTO is independent and runs at 540 rpm. Dimensions include a wheelbase of 79.9 inches (202 cm), length of 140.9 inches (357 cm), width of 68.9 inches (175 cm), and weight of 5776 lbs (2619 kg). Tires are 6.50-20 front and 14-30 or 12-38 rear. Electrical system is 12 volts with negative ground.
Power55 hp
Founded1961 - 1963
ModelSom 55

Technical Specifications

Detailed specifications and technical data for SOMECA Som 55

Power
Engine55 hp (41.0 kW)
Tires
Ag rear14-30, 12-38
Ag front6.50-20
Engine
Typediesel
ModelFiat CO1 D/55
Power55 hp (41.0 kW)
Coolingliquid-cooled
Starterelectric
Cylinders4-cylinder
Fuel tank23.3 gal (88.2 L)
Rated RPM1750
Bore/Stroke4.13x4.72 inches (105 x 120 mm)
Compression15:1
Displacement253.6 ci (4.2 L)
Firing order1-3-4-2
Starter volts12
Dimensions
Width68.9 inches (175 cm)
Length140.9 inches (357 cm)
Weight5776 lbs (2619 kg)
Wheelbase79.9 inches (202 cm)
Rear tread51.2 to 78.7 inches (130 to 199 cm)
Front tread51.2 to 66.9 inches (130 to 169 cm)
Height (hood)61 inches (154 cm)
Height (steering wheel)72.5 inches (184 cm)
Electrical
Groundnegative
Battery volts12
Hydraulics
Pump flow5.7 gpm (21.6 lpm)
Mechanical
DriveTwo-wheel drive
BrakesDisc brakes
Operator stationOpen operator station.
Production
Built inFrance
Years made1961 - 1963
ManufacturerSOMECA
Transmission
TypeAmplicouple
Gears14 forward and 4 reverse
DescriptionThree gears, plus reverse, in two ranges with additional seventh gear available in both ranges. Amplicouple provides an additional low range for each gear.
Tractor hitch
Controlposition and draft control
Rear TypeII
Rear lift2646 lbs (1200 kg)
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type540 (1.375)