WhichTractor
  • Rigid chassis
  • 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-40H specs: hp, weight, years

O.M.-FIAT CO 1D-45 four-cylinder diesel. The manufacturer claimed 44.4 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

44.4 hp

33.1 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Someca SOM 40 H”, 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
5,172 lb
3-point lift
2,866 lb
Hyd. flow
4.0 gpm
Top speed
13.7 mph

SOMECA SOM-40H specs: key facts

  • The SOMECA SOM-40H was built from 1961 to 1963.

  • The SOMECA SOM-40H has a claimed engine power (gross or net not stated) of 33.1 kW (44.4 hp); it has no measured PTO figure.

  • The SOMECA SOM-40H is two-wheel drive (2WD).

  • The SOMECA SOM-40H has a O.M.-FIAT CO 1D-45 engine, a 4-cylinder 4.16 L diesel unit.Source 1

  • The SOMECA SOM-40H weighs 2,346 kg (5,172 lb) unladen.

  • The SOMECA SOM-40H has an independent rear PTO running at 540 rpm.

  • The three-point hitch of the SOMECA SOM-40H lifts 1,300 kg (2,866 lb) at the lower-link ends.

  • The hydraulic pump of the SOMECA SOM-40H delivers 15.2 L/min (4.0 gpm).

Source · Traktorenlexikon, “Someca SOM 40 H”

How does the SOM-40H compare with its class?

  • Limitation:

    A hydraulic pump flow of 15.2 L/min is low for its class — 35% below the median of 23.4 L/min across the 210 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 272 comparable records. How we work this out

Illustration of the 1961–1963 SOMECA SOM-40 H, a 44 hp farm tractor, operator station not recorded — shown as an open platform, a drawing generated from its specification record
Illustration — not a photograph · operator station not recorded — shown as an open platform

How much horsepower does a SOM-40H have?

The only figure for the SOM-40H is 44.4 hp (33.1 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.

Engine, claimed (gross/net not stated)
44.4 hp

Source · Traktorenlexikon, “Someca SOM 40 H”

What engine is in a SOM-40H?

A SOM-40H has an O.M.-FIAT CO 1D-45, a 4-cylinder 4.16 L diesel engine.

Engine — SOM-40H engine specifications
Make & modelO.M.-FIAT CO 1D-45
Cylinders4, liquid-cooledSource 2
Displacement253.6 ci · 4.16 L
Electrical system12 VSource 2

Source · Traktorenlexikon, “Someca SOM 40 B”

How much will a SOM-40H lift, and what is its hydraulic flow?

A SOM-40H lifts 2,866 lb (1,300 kg) at the lower-link ends of its Category 2 three-point hitch.

Hydraulics & PTO — SOM-40H hydraulics and PTO specifications
Pump flow4.0 gpm · 15.2 L/min
Hitch categoryCategory 2
Lift at ends2,866 lb · 1,300 kg
Rear PTOIndependent, engine-driven, 540 rpm
PTO shaft1 3/8"- 6 splines

Source · Traktorenlexikon, “Someca SOM 40 H”

What transmission does a SOM-40H have?

Transmission specifications for the SOM-40H are below.

Transmission — SOM-40H transmission specifications
SteeringMechanically operated worm steering
Top speed13.7 mph · 22 km/h

Source · Traktorenlexikon, “Someca SOM 40 H”

How much does a SOM-40H weigh?

A SOM-40H weighs 5,172 lb (2,346 kg) unladen.

Weights & dimensions — SOM-40H weights and dimensions
Unladen weight5,172 lb · 2,346 kg
Wheelbase80.0 in · 2,032 mm
Length132.5 in · 3,365 mm
Width68.7–95.1 in · 1,745–2,415 mm
Height72.0 in · 1,829 mm
Ground clearance14.3 in · 364 mm
Front track51.4–67.2 in · 1,306–1,706 mm
Rear track51.2–78.7 in · 1,300–2,000 mm
Turning radius, braked10.8 ft · 3.30 m

Source · Traktorenlexikon, “Someca SOM 40 H”

What oil does a SOM-40H take, and how much?

A SOM-40H engine takes 11.6 qt (11.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

SOM-40H fluid capacities, grades and service intervals
SystemCapacity
Engine oil11.6 qt · 11.0 LSource: Traktorenlexikon, “Someca SOM 40 H” · single source, not independently verified
Transmission23.8 qt · 22.5 LSource: Traktorenlexikon, “Someca SOM 40 H” · single source, not independently verified
Hydraulic14.8 qt · 14.0 LSource: Traktorenlexikon, “Someca SOM 40 H” · single source, not independently verified
Cooling system22.2 qt · 21.0 LSource: Traktorenlexikon, “Someca SOM 40 H” · single source, not independently verified

Always confirm against the operator’s manual for your machine before service.

Which tractors compare with a SOM-40H?

Within 10% of its 44.4 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the SOMECA SOM-40H

Is a SOM-40H two-wheel drive or four-wheel drive?

The SOMECA SOM-40H is two-wheel drive (2WD).

What PTO does a SOM-40H have?

A SOM-40H has a independent 540 rpm rear PTO on a 1 3/8"- 6 splines shaft.

Sources and how this page was built

Compiled from Traktorenlexikon, “Someca SOM 40 B”; and Traktorenlexikon, “Someca SOM 40 H”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: Someca SOM 40 B — CC BY-SA 4.0, WIKIBOOKS-TL-121064 · revision 1061770. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Someca SOM 40 H — CC BY-SA 4.0, WIKIBOOKS-TL-121111 · revision 1063230. Wikibooks contributors (Traktorenlexikon). Original document