Fiatagri 65-66 S (DT)
Built: 1992–1996 · Series: 66er S-Baureihe
More machines from model year 1992
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Fiatagri 66 S series (1980s) – the second edition of the 66s from Turin: 45-66 to 80-66 S, the first number as hp class, S for the revised series, DT for four-wheel drive
The 66 range was Fiat's mid-range of the 1980s and one of Italy's most-built tractors; the S version is its second edition with new bonnet, revised cab and stronger hydraulics, which Fiatagri – since 1984 the group's farm-machinery brand – introduced in the second half of the decade. The type logic is the Fiat convention: the first number gives the hp class – 45-66 about 45 hp, 60-66 60 hp, 80-66 about 80 hp – 66 the series, S the revised version, DT four-wheel drive (doppia trazione). The engines are the 8000 series from Turin: the three-cylinder 8035 of 2.7 litres in the small, the four-cylinder 8045 of 3.9 litres in the big models, at 2,500 rpm – the same engines that later continued in the New Holland TN and TL.
Read on 3 more paragraphs
The register lists 8 versions with 33.1 to 58.9 kW from three- and four-cylinders of 2,710 to 3,908 cm³, torque from 145 to 224 Nm, unladen weights from 1,960 to 2,815 kg, lengths from 3,240 to 3,920 mm, widths from 1,540 to 2,420 mm and heights from 2,245 to 2,560 mm.
The 66 S are still at work in Italy, Spain, Greece, Turkey and North Africa today – simple mechanical tractors whose design Fiat also had built under licence in Turkey (Türk Traktör) and India.
On used tractors, operating hours, clutch and gearbox, four-wheel-drive front axle on DT models, the condition of hydraulics and cab and parts supply, unproblematic through New Holland for the 8000 series, are what count.
Sources: SpecCodex register, model data: Fiatagri 66er S-Baureihe, New Holland Agriculture (Rechtsnachfolger Fiatagri)
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 65 hp (47.8 kW)correct |
| Rated speed | 2,500 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 3,613 cm³correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,740 mmcorrect |
|---|---|
| Width | 1,980 mmcorrect |
| Height | 2,450 mmcorrect |
| Wheelbase | 2,280 mmcorrect |
| Ground clearance | 490 mmcorrect |
| Unladen weight | 2,815 kgcorrect |
Drivetrain and chassis
| Drive | rear- or four-wheel drivecorrect |
|---|---|
| Gearbox | 12V/4R, 20V/8R and 12V/12Rcorrect |
| Front tyres | 7.50-16 ASF (DT: 12.4-24 AS)correct |
| Rear tyres | 14.9-30 AS (DT: 12.4 R 36 AS)correct |
| Top speed | 30 km/hcorrect |
Where this model stands
Power-to-weight ratio: 17 kW/t (48 kW / 2.8 t)
Power class: Universal (40–100 hp)
Stronger than 44% of the tractors in the register — out of 15,663 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Fiatagri 65-66 S (DT) have?
The Fiatagri 65-66 S (DT) delivers 65 hp.
How much does the Fiatagri 65-66 S (DT) weigh?
The unladen weight is 2,815 kg.
What engine does the Fiatagri 65-66 S (DT) have?
4 cylinders, 3,613 cm³ displacement, Diesel.
How fast does the Fiatagri 65-66 S (DT) go?
Top speed is 30 km/h.
What are the dimensions of the Fiatagri 65-66 S (DT)?
3,740 mm × 1,980 mm × 2,450 mm.
When was the Fiatagri 65-66 S (DT) built?
Production years: 1992–1996.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Check the weights in the papers against the figures here — attachments change them.
- Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 18 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Other models in this series
Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · How we check the data
Tractor in 3D section
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