Overview
The SOMECA Som 55 is a 55 hp farm tractor manufactured in France from 1961 to 1963. It is powered by a 4.2L 4-cylinder Fiat diesel engine and features a two-wheel drive chassis with an open operator station. The mechanical configuration includes a 14-speed Amplicouple transmission and a Category II rear hitch.
Ideal Applications
Transmission and Gearing Layout:
The Amplicouple transmission provides 14 forward and 4 reverse gears through two ranges with an additional seventh gear and a low-range option for each gear.
Rear Hitch and Hydraulic Capacity:
Equipped with a Category II rear hitch, the system offers position and draft control with a lift capacity of 2,646 lbs and a hydraulic pump flow of 5.7 gpm.
Engine and Fuel Specifications:
The Fiat CO1 D/55 diesel engine is a liquid-cooled 4.2L unit rated at 55 hp at 1750 RPM, featuring a 23.3-gallon fuel tank and a 12V electric starter.
Production
| Description | Built in France |
|---|---|
| Manufacturer | SOMECA |
Engine
| Engine type | Fiat 4.2L 4-cyl diesel |
|---|---|
| Fuel tank | 23.3 gal (88.2 L) |
| Bore/Stroke | 4.13x4.72 inches (105 x 120 mm) |
| Compression | 15:1 |
| Description | Fiat CO1 D/55 / diesel / 4-cylinder / liquid-cooled |
| Displacement | 253.6 ci (4.2 L) |
| Firing order | 1-3-4-2 |
| Power | 55 hp (41.0 kW) |
| Rated RPM | 1750 |
| Starter | electric |
| Starter volts | 12 |
Transmission
| Description | Three gears, plus reverse, in two ranges with additional seventh gear available in both ranges. Amplicouple provides an additional low range for each gear. |
|---|---|
| Gears | 14 forward and 4 reverse |
| Transmission | Amplicouple |
| Transmission type | 14-speed |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Disc brakes |
| Drive type | Two-wheel drive |
Hydraulics
| Pump flow | 5.7 gpm (21.6 lpm) |
|---|
Hitch
| Control | position and draft control |
|---|---|
| Rear lift | 2646 lbs (1200 kg) |
| Rear Type | II |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Front tread | 51.2 to 66.9 inches (130 to 169 cm) |
|---|---|
| Height (hood) | 61 inches (154 cm) |
| Height (steering wheel) | 72.5 inches (184 cm) |
| Length | 140.9 inches (357 cm) |
| Rear tread | 51.2 to 78.7 inches (130 to 199 cm) |
| Weight | 5776 lbs (2619 kg) |
| Wheelbase | 79.9 inches (202 cm) |
| Width | 68.9 inches (175 cm) |
| Front tire | 6.50-20 |
| Rear tire | 14-30 |
| Weight | 5776 lbs (2619 kg) |
| Wheelbase | 79.9 inches (202 cm) |
| Ag front | 6.50-20 |
| Ag rear | 14-30 / 12-38 |
References
| Description | SOM 55 Amplicouple published in 1962, by SOMECA / Super SOM 55 Amplicouple published in 1963, by SOMECA / Operator's Manual SOM 55 (10.404) published in 1961 |
|---|
Speeds
| Description | With 14-30 rear tires. |
|---|
Variants
| 513R | similar Fiat model |
|---|