Valmet/valtra 6550 HiTech
Built: 1998–2006 · Series: HITECH-Baureihe
More machines from model year 1998
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Valmet/Valtra HiTech range – five large 1990s tractors from Suolahti, 6250 to 6850 HiTech: 55.2 to 88.3 kW, four-cylinder diesels of 4,397 cm³, 4,399 to 4,770 kg
The HiTech range was built in the 1990s at the Finnish Suolahti plant, in the transitional period when Valmet and Valtra grew together into the joint Valtra brand. The five types from 6250 to 6850 HiTech carry the ascending power step in their designation, all sharing the same four-cylinder diesel of 4,397 cm³ but differing in turbocharging and engine tuning. The HiTech suffix marked the then-new generation with electronically controlled injection and an improved cab.
Read on 3 more paragraphs
The register lists here 5 versions with 55.2 to 88.3 kW from four-cylinder engines of 4,397 cm³ and torque from 360 to 460 Nm at a rated speed of 2,200 rpm. Unladen weights range from 4,399 to 4,770 kg, length from 4,450 to 4,585 mm, width from 2,179 to 2,360 mm and height from 2,720 to 2,800 mm.
With the HiTech range the Finnish brand positioned itself in the upper mid-range against Fendt, Deutz-Fahr and Massey Ferguson, drawing on the reputation of Finnish tractors for cold-weather toughness and low maintenance. The range also marks the transition from the Valmet brand to today's Valtra.
Buying used, the HiTech models call for checking the electronic injection, the condition of the cab mounts and the tightness of the hydraulic valves; after thirty years of service the cooling system and clutch are common wear points. Parts are stocked through the Valtra dealer network, as the range technically belongs to today's model line.
Sources: SpecCodex register, model data: Valmet/Valtra HiTech-Baureihe
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 100 hp (73.5 kW)correct |
| Rated speed | 2,200 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 4,397 cm³correct |
| Bore | 108 mmcorrect |
| Stroke | 120 mmcorrect |
| Compression ratio | 16.5correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 4,520 mmcorrect |
|---|---|
| Width | 2,360 mmcorrect |
| Height | 2,720 mmcorrect |
| Wheelbase | 2,340 mmcorrect |
| Ground clearance | 434 mmcorrect |
| Unladen weight | 4,720 kgcorrect |
Drivetrain and chassis
| Drive | four-wheel drivecorrect |
|---|---|
| Gearbox | 36 V/36 Rcorrect |
| Front tyres | 480/65 R 28 AScorrect |
| Rear tyres | 600/65 R 38 AScorrect |
| Top speed | 30 km/hcorrect |
Origin and approval
| Construction | unit construction (no separate frame)correct |
|---|
Where this model stands
Power-to-weight ratio: 15.6 kW/t (74 kW / 4.7 t)
Power class: Universal (40–100 hp)
Stronger than 66% 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 Valmet/valtra 6550 HiTech have?
The Valmet/valtra 6550 HiTech delivers 100 hp.
How much does the Valmet/valtra 6550 HiTech weigh?
The unladen weight is 4,720 kg.
What engine does the Valmet/valtra 6550 HiTech have?
4 cylinders, 4,397 cm³ displacement, Diesel.
How fast does the Valmet/valtra 6550 HiTech go?
Top speed is 30 km/h.
What are the dimensions of the Valmet/valtra 6550 HiTech?
4,520 mm × 2,360 mm × 2,720 mm.
When was the Valmet/valtra 6550 HiTech built?
Production years: 1998–2006.
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 22 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
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Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.