WhichTractor
  • Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1973–1982

It sits on the utility/standard-size boundary, so either size is a fair description. WhichTractor size, not the maker’s category

Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is

SOMECA 640 (TD) specs: hp, weight, years

FIAT-IVECO 8045.02.200/307 four-cylinder diesel. The manufacturer claimed 63.2 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

63.2 hp

47.1 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Someca 640”, 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
4,685 lb
3-point lift
4,034 lb
Top speed
15.5 mph

SOMECA 640 (TD) specs: key facts

  • The SOMECA 640 (TD) was built from 1973 to 1982.

  • The SOMECA 640 (TD) has a claimed engine power (gross or net not stated) of 47.1 kW (63.2 hp); it has no measured PTO figure.

  • The SOMECA 640 (TD) was offered in two-wheel-drive and four-wheel-drive versions.

  • The SOMECA 640 (TD) has a FIAT-IVECO 8045.02.200/307 engine, a 4-cylinder 3.46 L diesel unit.

  • The SOMECA 640 (TD) weighs 2,125 kg (4,685 lb) unladen.

  • The SOMECA 640 (TD) has a rear PTO running at 540 rpm.

  • The three-point hitch of the SOMECA 640 (TD) lifts 1,830 kg (4,034 lb) at the lower-link ends.

Source · Traktorenlexikon, “Someca 640”

How does the 640 (TD) compare with its class?

  • Limitation:

    Eight forward gears is low for its class — 33% below the median of 12 across the 408 machines within 10% of its power that hold this figure.

  • Limitation:

    A 54 L fuel tank is low for its class — 28% below the median of 75.3 L across the 392 machines within 10% of its power that hold this figure.

  • Worth knowing:

    An unladen mass of 2,125 kg is low for its class — 23% below the median of 2,760 kg across the 413 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 413 comparable records. How we work this out

Illustration of the 1973–1982 SOMECA 640 (TD), a 63 hp farm tractor, four-wheel-drive version · cab was optional — shown without it, a drawing generated from its specification record
Illustration — not a photograph · four-wheel-drive version · cab was optional — shown without it

How much horsepower does a 640 (TD) have?

The only figure for the 640 (TD) is 63.2 hp (47.1 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)
63.2 hp

Source · Traktorenlexikon, “Someca 640”

What engine is in a 640 (TD)?

A 640 (TD) has a FIAT-IVECO 8045.02.200/307, a 4-cylinder 3.46 L diesel engine.

Engine — 640 (TD) engine specifications
Make & modelFIAT-IVECO 8045.02.200/307
Cylinders4, liquid-cooled
Displacement210.9 ci · 3.46 L
Max torque162 lb·ft · 219 N·m
Electrical system12 V

Source · Traktorenlexikon, “Someca 640”

How much will a 640 (TD) lift?

A 640 (TD) lifts 4,034 lb (1,830 kg) at the lower-link ends.

Hydraulics & PTO — 640 (TD) hydraulics and PTO specifications
Lift at ends4,034 lb · 1,830 kg
Rear PTO540 rpm @ 1,967 engine rpm

Source · Traktorenlexikon, “Someca 640”

What transmission does a 640 (TD) have?

Transmission specifications for the 640 (TD) are below.

Transmission — 640 (TD) transmission specifications
Top speed15.5 mph · 25 km/h

Source · Traktorenlexikon, “Someca 640”

How much does a 640 (TD) weigh?

A 640 (TD) weighs 4,685 lb (2,125 kg) unladen.

Weights & dimensions — 640 (TD) weights and dimensions
Unladen weight4,685 lb · 2,125 kgTD: 2,600 kg
Wheelbase81.5 in · 2,070 mmTD: 2,110
Length138.6 in · 3,520 mm
Width67.5–93.1 in · 1,715–2,365 mm
Height93.3 in · 2,370 mm
Ground clearance17.5 in · 444 mmTD: 374
Front track52.0–79.3 in · 1,320–2,015 mmTD: 1,420
Rear track47.8–75.4 in · 1,215–1,915 mmTD: 1,420-2,020
Turning radius, braked11.2 ft · 3.42 mTD: 4,300

Source · Traktorenlexikon, “Someca 640”

What oil does a 640 (TD) take, and how much?

A 640 (TD) engine takes 10.1 qt (9.6 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

640 (TD) fluid capacities, grades and service intervals
SystemCapacity
Engine oil10.1 qt · 9.6 LSource: Traktorenlexikon, “Someca 640” · single source, not independently verified
Transmission & hydraulic18.6 qt · 17.6 LSource: Traktorenlexikon, “Someca 640” · single source, not independently verified
Front axle5.5 qt · 5.2 LSource: Traktorenlexikon, “Someca 640” · single source, not independently verified
Cooling system13.7 qt · 13.0 LSource: Traktorenlexikon, “Someca 640” · single source, not independently verified

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

Which tractors compare with a 640 (TD)?

Within 10% of its 57.2 hp at the PTO as the maker claimed it, with no laboratory test on file, the same type, and first built within 15 years of it.

Common questions about the SOMECA 640 (TD)

Is a 640 (TD) two-wheel drive or four-wheel drive?

The SOMECA 640 (TD) was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does a 640 (TD) have?

A 640 (TD) has a 540 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Someca 640”.

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 640 — CC BY-SA 4.0, WIKIBOOKS-TL-121326 · revision 1067921. Wikibooks contributors (Traktorenlexikon). Original document