Hürlimann 7700
Built: 1976–1978 · Series: T-Reihe
More machines from model year 1976
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Hürlimann T series – Swiss tractors from Wil (SDF Group): T-5100 to T-14000 Hydrostat, four- and six-cylinder diesels rated 38–103 kW, four-wheel-drive version (A)
The T series was the tractor programme of the Swiss maker Hürlimann of Wil in the canton of St Gallen, which was taken over by the Italian SAME group in 1979 and today belongs to the SDF Group. The T designation marks the tractor series, the four-digit number the power class, and the A suffix the four-wheel-drive version; the T-14000 Hydrostat added a variant with hydrostatic drive to the line, and the T-6200 Turbo one with a turbocharged engine.
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The register lists 6 versions rated at 38.2 to 102.9 kW from four- and six-cylinder diesel engines of 2,948 to 5,675 cm³, kerb weights of 2,270 to 4,300 kg, and a length of 3,400 to 4,430 mm, a width of 1,750 to 2,250 mm and a height of 1,620 to 1,950 mm, at speeds of 2,100 to 2,400 rpm.
Hürlimann tractors were mainly found in Switzerland and the Alpine countries, where four-wheel drive and rugged construction were needed for work in hilly and mountainous terrain; after integration into the SAME and later SDF Group, engineering and components were increasingly shared with Same and Lamborghini.
On these tractors, check engine and injection condition, the clutch and gearbox; on the A models, also the transfer case and driveshafts of the four-wheel drive, and on the Hydrostat version the condition of the hydrostatic pump and drive motor; also check the hydraulics, brakes and corrosion on the cab and frame. Spares run through the SDF dealer network.
Sources: SpecCodex register, model data: Hürlimann T-Reihe
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 77 hp (56.6 kW)correct |
| Rated speed | 2,100 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 4,954 cm³correct |
| Bore | 111 mmcorrect |
| Stroke | 128 mmcorrect |
| Compression ratio | 21correct |
| Injection pressure | 180 barcorrect |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,750 mmcorrect |
|---|---|
| Width | 1,920 mmcorrect |
| Height | 1,900 mmcorrect |
| Wheelbase | 2,380 mmcorrect |
| Unladen weight | 2,930 kgcorrect |
Drivetrain and chassis
| Drive | rear- or four-wheel drivecorrect |
|---|---|
| Gearbox | 10V/2R or 12V/6Rcorrect |
| Front tyres | 7.50-18 ASF (A: 12.4/11-24 AS)correct |
| Rear tyres | 14-30 AScorrect |
| Top speed | 25 km/hcorrect |
Working data
| Fuel tank capacity | 55 lcorrect |
|---|
Origin and approval
| Units built | 52correct |
|---|
Other data
| Linkage category | Cat IIcorrect |
|---|
Where this model stands
Power-to-weight ratio: 19.3 kW/t (57 kW / 2.9 t)
Power class: Universal (40–100 hp)
Stronger than 53% 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 Hürlimann 7700 have?
The Hürlimann 7700 delivers 77 hp.
How much does the Hürlimann 7700 weigh?
The unladen weight is 2,930 kg.
What engine does the Hürlimann 7700 have?
4 cylinders, 4,954 cm³ displacement, Diesel.
How fast does the Hürlimann 7700 go?
Top speed is 25 km/h.
What are the dimensions of the Hürlimann 7700?
3,750 mm × 1,920 mm × 1,900 mm.
When was the Hürlimann 7700 built?
Production years: 1976–1978.
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 25 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: [1]
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.