Fiatagri 65-66 (DT)
Built: 1985–1991 · Series: 66 er-Baureihe
More machines from model year 1985
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Fiatagri 66 series (1984–1990s) – 35-66 to 80-66: the first number as hp, DT for four-wheel drive, V for vineyard, F for orchard, the compact and specialty tractors before New Holland, 26 to 59 kW
Fiatagri was from 1984 the name under which Fiat ran its farm machinery, and the 66 series the programme of small and medium tractors of that time – the successor to the Nastro d'Oro types in the 35 to 80 hp class. The type logic has two parts: the first number gives the output in hp, the 66 the series; appended letters explain the version – DT for Doppia Trazione, four-wheel drive, V for Vigneto, the narrow vineyard tractor, F for Frutteto, the orchard tractor of medium width, S for a special version, Primo and Turbo for the later upgrades. A 55-66 V DT is therefore a 55 hp vineyard tractor with four-wheel drive. The engines were Fiat's own three- and four-cylinders with direct injection.
Read on 3 more paragraphs
The register lists 13 versions with 25.8 to 58.9 kW, 1,551 to 3,908 cm³ with three or four cylinders, torque from 91 to 251 Nm, unladen weights from 1,310 to 2,920 kg, lengths from 2,885 to 3,770 mm, widths from 1,360 to 2,420 mm and heights from 1,360 to 2,525 mm – the 1,360 mm of the narrowest V model shows the vineyard layout.
The 66s were the tractors of Italian specialty crops – wine, olives, fruit – and were built into the 1990s before New Holland continued the range as TN and TL after the 1991 merger.
Used 66s are common in Italy, southern France and Spain; when buying, engine condition, gearbox and clutch, the front axle on DT models and, on vineyard tractors, the steering, which suffers from constant lock, are what count.
Sources: SpecCodex register, model data: Fiatagri 66er-Baureihe, Fiat Trattori/Fiatagri (Wikipedia)
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 65 hp (47.8 kW)correct |
| Rated speed | 2,500 rpmcorrect |
| Torque | 212 Nmcorrect |
| Speed at max. torque | 1,300 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 3,613 cm³correct |
| Bore | 100 mmcorrect |
| Stroke | 115 mmcorrect |
| Compression ratio | 17correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,770 mmcorrect |
|---|---|
| Width | 1,910 mmcorrect |
| Height | 2,230 mmcorrect |
| Wheelbase | 2,310 mmcorrect |
| Ground clearance | 400 mmcorrect |
| Unladen weight | 2,510 kgcorrect |
Drivetrain and chassis
| Drive | rear- or four-wheel drivecorrect |
|---|---|
| Gearbox | 12 V/4 R, 20 V/8 R and 12 V/12 Rcorrect |
| Front tyres | 7.50-18 ASF (DT: 12.4-20 AS)correct |
| Rear tyres | 14.9-30 AScorrect |
| Top speed | 30 km/hcorrect |
Origin and approval
| Construction | unit construction (no separate frame)correct |
|---|
Where this model stands
Power-to-weight ratio: 19 kW/t (48 kW / 2.5 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 (DT) have?
The Fiatagri 65-66 (DT) delivers 65 hp.
How much does the Fiatagri 65-66 (DT) weigh?
The unladen weight is 2,510 kg.
What engine does the Fiatagri 65-66 (DT) have?
4 cylinders, 3,613 cm³ displacement, Diesel.
How fast does the Fiatagri 65-66 (DT) go?
Top speed is 30 km/h.
What are the dimensions of the Fiatagri 65-66 (DT)?
3,770 mm × 1,910 mm × 2,230 mm.
When was the Fiatagri 65-66 (DT) built?
Production years: 1985–1991.
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 24 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
35-66 (DT)
45-66 V (DT/V)
50-66 (DT)
55-66 (DT)
55-66 V/F (DT-V/F)
60-66 (DT)
60-66 F (DT/F)
70-66 (DT)
70-66 F (DT/F)
80-66 F (DT/F)
80-66 S (DT)
PRIMO 60-66 DT/Turbo
Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
