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

WhichTractor size, not the maker’s category

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

Fiat 640 (DT) 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, “Fiat 640/640 DT”, 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
5,181 lb
3-point lift
4,960 lb
Hyd. flow
5.8 gpm
Top speed
15.5 mph

Fiat 640 (DT) specs: key facts

  • The Fiat 640 (DT) was built from 1973 to 1982.

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

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

  • The Fiat 640 (DT) has a FIAT-IVECO 8045.02.200/307 engine, a 4-cylinder 3.46 L diesel unit.Source 2

  • The Fiat 640 (DT) weighs 2,350 kg (5,181 lb) unladen.

  • The Fiat 640 (DT) has a rear PTO running at 540 rpm.

  • The three-point hitch of the Fiat 640 (DT) lifts 2,250 kg (4,960 lb) at the lower-link ends.

  • The hydraulic pump of the Fiat 640 (DT) delivers 21.8 L/min (5.8 gpm).

Source · Traktorenlexikon, “Fiat 640/640 DT”

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

  • Limitation:

    A hydraulic pump flow of 21.8 L/min is low for its class — 39% below the median of 36 L/min across the 341 machines within 10% of its power that hold this figure.

  • 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.

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

Illustration of the 1973–1982 Fiat 640 (DT), 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 (DT) have?

The only figure for the 640 (DT) 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, “Fiat 640/640 DT”

What engine is in a 640 (DT)?

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

Engine — 640 (DT) engine specifications
Make & modelFIAT-IVECO 8045.02.200/307Source 2
Cylinders4, liquid-cooledSource 2
Displacement210.9 ci · 3.46 LSource 2
Max torque162 lb·ft · 219 N·m @ 1,300 rpm
Injectiondirect injection
Electrical system12 V

Source · Traktorenlexikon, “Fiat 640/640 DT”

How much will a 640 (DT) lift, and what is its hydraulic flow?

A 640 (DT) lifts 4,960 lb (2,250 kg) at the lower-link ends.

Hydraulics & PTO — 640 (DT) hydraulics and PTO specifications
Pump flow5.8 gpm · 21.8 L/min
Lift at ends4,960 lb · 2,250 kg
Rear PTO540 rpm @ 1,967 engine rpm
PTO shaft1 3/8"- 6 splines

Source · Traktorenlexikon, “Fiat 640/640 DT”

What transmission does a 640 (DT) have?

Transmission specifications for the 640 (DT) are below.

Transmission — 640 (DT) transmission specifications
ClutchDry Ferodo double clutch
BrakesPedal-operated band-drum brake acting on differential shafts
SteeringMechanically operated Gemmer steering
Top speed15.5 mph · 25 km/h

Source · Traktorenlexikon, “Fiat 640/640 DT”

How much does a 640 (DT) weigh?

A 640 (DT) weighs 5,181 lb (2,350 kg) unladen.

Weights & dimensions — 640 (DT) weights and dimensions
Unladen weight5,181 lb · 2,350 kgDT: 2,770
Maximum permissible mass8,157 lb · 3,700 kg
Maximum front axle load3,241 lb · 1,470 kg
Wheelbase84.3 in · 2,140 mmDT: 2,165
Length138.6 in · 3,520 mm
Width67.5–93.1 in · 1,715–2,365 mm
Height93.3 in · 2,370 mm
Ground clearance20.1 in · 510 mmDT: 350
Front track52.4–76.0 in · 1,330–1,930 mmDT: 1,455
Rear track52.4–79.9 in · 1,330–2,030 mm
Turning radius, braked11.2 ft · 3.42 mDT: 4,300

Source · Traktorenlexikon, “Fiat 640/640 DT”

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

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

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

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

Which tractors compare with a 640 (DT)?

Within 10% of its 52.4 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 Fiat 640 (DT)

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

The Fiat 640 (DT) was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does a 640 (DT) have?

A 640 (DT) has a 540 rpm rear PTO on a 1 3/8"- 6 splines shaft.

Sources and how this page was built

Compiled from Traktorenlexikon, “Someca 640”; and Traktorenlexikon, “Fiat 640/640 DT”.

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: Fiat 640/640 DT — CC BY-SA 4.0, WIKIBOOKS-TL-121820 · revision 1074148. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Someca 640 — CC BY-SA 4.0, WIKIBOOKS-TL-121326 · revision 1067921. Wikibooks contributors (Traktorenlexikon). Original document