WhichTractor
  • Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1968–1971

It sits on the utility/standard-size boundary, so either size is a fair description. 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 670 (DT) specs: hp, weight, years

O.M.-FIAT CO 3/60 four-cylinder diesel. The manufacturer claimed 64.1 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

64.1 hp

47.8 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Someca 670”, 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
6,041 lb
3-point lift
5,534 lb
Hyd. flow
6.1 gpm
Top speed
14.9 mph

SOMECA 670 (DT) specs: key facts

  • The SOMECA 670 (DT) was built from 1968 to 1971.

  • The SOMECA 670 (DT) has a claimed engine power (gross or net not stated) of 47.8 kW (64.1 hp); it has no measured PTO figure.

  • The SOMECA 670 (DT) was offered in two-wheel-drive and four-wheel-drive versions.

  • The SOMECA 670 (DT) has a O.M.-FIAT CO 3/60 engine, a 4-cylinder 4.56 L diesel unit.

  • The SOMECA 670 (DT) weighs 2,740 kg (6,041 lb) unladen.

  • The SOMECA 670 (DT) has an independent rear PTO running at 540 rpm.

  • The three-point hitch of the SOMECA 670 (DT) lifts 2,510 kg (5,534 lb) at the lower-link ends.

  • The hydraulic pump of the SOMECA 670 (DT) delivers 23.2 L/min (6.1 gpm).

Source · Traktorenlexikon, “Someca 670”

How does the 670 (DT) compare with its class?

  • Limitation:

    A hydraulic pump flow of 23.2 L/min is low for its class — 37% below the median of 37 L/min across the 327 machines within 10% of its power that hold this figure.

  • Strength:

    A maximum engine torque of 281 N·m is high for its class — 21% above the median of 232 N·m across the 332 machines within 10% of its power that hold this figure.

  • Limitation:

    Seven forward gears is low for its class — 42% below the median of 12 across the 389 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 395 comparable records. How we work this out

Illustration of the 1968–1971 SOMECA 670 (DT), a 64 hp farm tractor, four-wheel-drive version, a drawing generated from its specification record
Illustration — not a photograph · four-wheel-drive version

How much horsepower does a 670 (DT) have?

The only figure for the 670 (DT) is 64.1 hp (47.8 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)
64.1 hp

Source · Traktorenlexikon, “Someca 670”

What engine is in a 670 (DT)?

A 670 (DT) has an O.M.-FIAT CO 3/60, a 4-cylinder 4.56 L diesel engine.

Engine — 670 (DT) engine specifications
Make & modelO.M.-FIAT CO 3/60
Cylinders4, liquid-cooled
Displacement278.4 ci · 4.56 L
Max torque207 lb·ft · 281 N·m @ 1,236 rpm
InjectionDirect injection
Electrical system12 V

Source · Traktorenlexikon, “Someca 670”

How much will a 670 (DT) lift, and what is its hydraulic flow?

A 670 (DT) lifts 5,534 lb (2,510 kg) at the lower-link ends of its Category 2 three-point hitch.

Hydraulics & PTO — 670 (DT) hydraulics and PTO specifications
Pump flow6.1 gpm · 23.2 L/min
Pressure2,843 psi · 196 bar
Hitch categoryCategory 2
Lift at ends5,534 lb · 2,510 kg
Rear PTOIndependent, engine-driven, 540 rpm @ 1,490 engine rpm
PTO shaft1 3/8"- 6 splines

Source · Traktorenlexikon, “Someca 670”

What transmission does a 670 (DT) have?

Transmission specifications for the 670 (DT) are below.

Transmission — 670 (DT) transmission specifications
ClutchPedal-operated two-stage dry FEREDO double clutch type 11/10"
BrakesPedal-operated FEREDO disc brake acting on differential shafts, acting as steering brake
Top speed14.9 mph · 24 km/h

Source · Traktorenlexikon, “Someca 670”

How much does a 670 (DT) weigh?

A 670 (DT) weighs 6,041 lb (2,740 kg) unladen.

Weights & dimensions — 670 (DT) weights and dimensions
Unladen weight6,041 lb · 2,740 kgDT: 3,240
Wheelbase91.2 in · 2,316 mmDT: 2,340
Length142.3 in · 3,615 mm
Width77.6–96.1 in · 1,970–2,440 mm
Height69.9 in · 1,775 mm
Ground clearance13.4 in · 340 mmDT: 275
Front track57.5–77.2 in · 1,460–1,960 mmDT: 1,430
Rear track55.1–79.1 in · 1,400–2,009 mm
Turning radius, braked12.9 ft · 3.93 mDT: 4,000

Source · Traktorenlexikon, “Someca 670”

What oil does a 670 (DT) take, and how much?

A 670 (DT) engine takes 13.7 qt (13.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

670 (DT) fluid capacities, grades and service intervals
SystemCapacity
Engine oil13.7 qt · 13.0 LSource: Traktorenlexikon, “Someca 670” · single source, not independently verified
Transmission20.1 qt · 19.0 LSource: Traktorenlexikon, “Someca 670” · single source, not independently verified
Hydraulic10.6 qt · 10.0 LSource: Traktorenlexikon, “Someca 670” · single source, not independently verified
Cooling system18.0 qt · 17.0 LSource: Traktorenlexikon, “Someca 670” · single source, not independently verified

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

Which tractors compare with a 670 (DT)?

Within 10% of its 64.1 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the SOMECA 670 (DT)

Is a 670 (DT) two-wheel drive or four-wheel drive?

The SOMECA 670 (DT) was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does a 670 (DT) have?

A 670 (DT) 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 670”.

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 670 — CC BY-SA 4.0, WIKIBOOKS-TL-121209 · revision 1065120. Wikibooks contributors (Traktorenlexikon). Original document