WhichTractor
  • WhichTractor size: Utility
  • No lab test on file
  • 1992–1996

WhichTractor size, not the maker’s category

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

Fiat 80-66S/80-66 DTS specs: hp, weight, years

Fiat 8045.05 four-cylinder diesel. The manufacturer claimed 79.0 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

79.0 hp

58.9 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS”, 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
5,919 lb
3-point lift
7,859 lb
Hyd. flow
9.1 gpm
Top speed
18.6–24.9 mph

Fiat 80-66S/80-66 DTS specs: key facts

  • The Fiat 80-66S/80-66 DTS was built from 1992 to 1996.

  • The Fiat 80-66S/80-66 DTS has a claimed engine power (gross or net not stated) of 58.9 kW (79.0 hp); it has no measured PTO figure.

  • The Fiat 80-66S/80-66 DTS was offered in two-wheel-drive and four-wheel-drive versions.

  • The Fiat 80-66S/80-66 DTS has a Fiat 8045.05 engine, a 4-cylinder 3.91 L diesel unit.

  • The Fiat 80-66S/80-66 DTS weighs 2,685 kg (5,919 lb) unladen.

  • The Fiat 80-66S/80-66 DTS has an independent rear PTO running at 540 rpm.

  • The three-point hitch of the Fiat 80-66S/80-66 DTS lifts 3,565 kg (7,859 lb) at the lower-link ends.

  • The hydraulic pump of the Fiat 80-66S/80-66 DTS delivers 34.5 L/min (9.1 gpm).

Source · Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS”

How does the 80-66S/80-66 DTS compare with its class?

  • Worth knowing:

    An unladen mass of 2,685 kg is low for its class — 19% below the median of 3,330 kg across the 355 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 356 comparable records. How we work this out

Illustration of the 1992–1996 Fiat 80-66S/80-66 DTS, a 79 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 an 80-66S/80-66 DTS have?

The only figure for the 80-66S/80-66 DTS is 79.0 hp (58.9 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)
79.0 hp

Source · Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS”

What engine is in an 80-66S/80-66 DTS?

An 80-66S/80-66 DTS has a Fiat 8045.05, a 4-cylinder 3.91 L diesel engine.

Engine — 80-66S/80-66 DTS engine specifications
Make & modelFiat 8045.05
Cylinders4, liquid-cooled
Displacement238.5 ci · 3.91 L
Max torque197 lb·ft · 267 N·m
Electrical system12 V

Source · Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS”

How much will an 80-66S/80-66 DTS lift, and what is its hydraulic flow?

An 80-66S/80-66 DTS lifts 7,859 lb (3,565 kg) at the lower-link ends.

Hydraulics & PTO — 80-66S/80-66 DTS hydraulics and PTO specifications
SystemOpen centre
Pump flow9.1 gpm · 34.5 L/min
Lift at ends7,859 lb · 3,565 kg
Rear PTOIndependent, engine-driven, 540 rpm @ 2,199 engine rpmEngages under loadGround-speed PTO available

Source · Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS”

What transmission does an 80-66S/80-66 DTS have?

Transmission specifications for the 80-66S/80-66 DTS are below.

Transmission — 80-66S/80-66 DTS transmission specifications
Top speed18.6–24.9 mph · 30–40 km/hthe article lists alternatives

Source · Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS”

How much does an 80-66S/80-66 DTS weigh?

An 80-66S/80-66 DTS weighs 5,919 lb (2,685 kg) unladen.

Weights & dimensions — 80-66S/80-66 DTS weights and dimensions
Unladen weight5,919 lb · 2,685 kgDT: 2,955
Maximum permissible mass10,141 lb · 4,600 kg
Wheelbase90.9 in · 2,310 mmDT: 2,248
Length150.4 in · 3,820 mmDT: 3,870
Width95.3 in · 2,420 mm
Height100.8 in · 2,560 mm
Ground clearance16.1 in · 410 mm
Front track55.9–75.6 in · 1,420–1,920 mmDT: 1,550-1,920
Rear track59.1–78.7 in · 1,500–2,000 mm
Turning radius, braked12.0 ft · 3.65 mDT: 4,480

Source · Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS”

What oil does an 80-66S/80-66 DTS take, and how much?

An 80-66S/80-66 DTS engine takes 12.4 qt (11.7 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

80-66S/80-66 DTS fluid capacities, grades and service intervals
SystemCapacity
Engine oil12.4 qt · 11.7 LSource: Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS” · single source, not independently verified
Transmission & hydraulic43.1 qt · 40.8 LSource: Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS” · single source, not independently verified
Front axle2.5 qt · 2.4 LSource: Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS” · single source, not independently verified
Final drives11.2 qt · 10.6 LSource: Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS” · single source, not independently verified
Cooling system14.8 qt · 14.0 LSource: Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS” · single source, not independently verified

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

Which tractors compare with an 80-66S/80-66 DTS?

Within 10% of its 79.0 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the Fiat 80-66S/80-66 DTS

Is an 80-66S/80-66 DTS two-wheel drive or four-wheel drive?

The Fiat 80-66S/80-66 DTS was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does an 80-66S/80-66 DTS have?

An 80-66S/80-66 DTS has a independent 540 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Fiatagri 80-66S/80-66 DTS”.

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: Fiatagri 80-66S/80-66 DTS — CC BY-SA 4.0, WIKIBOOKS-TL-108734 · revision 990888. Wikibooks contributors (Traktorenlexikon). Original document