Valmet/valtra 6400-4
Built: 1991–2007 · Series: MEZZO-Baureihe
More machines from model year 1991
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Valmet Mezzo 6000 series (1990s) – the Finnish mid-range from Suolahti: 6000 to 6900, the hundreds number as power step, -4 for four-wheel drive, E for the upgrade, Sisu three- to six-cylinders of 3.3 to 6.6 litres
Mezzo was the name Valmet gave its mid-range presented in 1991 – the 6000 series from the Suolahti plant in central Finland, between the smaller and the larger Mega, as the Finns named their ranges in Italian. The type logic: 6 marks the range, the hundreds number the power step – 6000 about 75 hp, 6300 about 85, 6600 about 100, 6900 about 115 hp – -4 four-wheel drive, standard at Valmet, E the upgrade with better equipment. The engines are Valmet's own Sisu diesels from Linnavuori – three-, four- and six-cylinders of 3.3, 4.4 and 6.6 litres at 2,200 to 2,300 rpm – and the range brought Valmet's specialities: the HiShift shuttle, the Nordic cab with all-round visibility and the à-la-carte tractor the customer configured at the factory in colour and equipment.
Read on 3 more paragraphs
The register lists 8 versions with 55.2 to 84.6 kW from three- to six-cylinders of 3,298 to 6,593 cm³, torque from 247 to 390 Nm, unladen weights from 4,000 to 4,420 kg, lengths from 4,295 to 4,750 mm, widths from 1,985 to 2,181 mm and heights from 2,690 to 2,771 mm.
In Scandinavia the Mezzo was the tractor of forestry and dairy farms and the first Valmet sold in Western Europe in larger numbers; in 1998 the Valtra Mezzo range followed and then the A and N ranges under the Valtra name.
On used tractors, operating hours, the condition of the Sisu engine (robust, but check injection pump and radiator), HiShift shuttle, four-wheel-drive clutch, hydraulics, forestry equipment and cab rust count; parts run through Valtra and AGCO.
Sources: SpecCodex register, model data: Valmet Mezzo-Baureihe, Valtra (AGCO, Rechtsnachfolger Valmet Traktoren)
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 95 hp (69.9 kW)correct |
| Rated speed | 2.225/2.200 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 4,397 cm³correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 4,408 mmcorrect |
|---|---|
| Width | 1,985 mmcorrect |
| Height | 2,735 mmcorrect |
| Wheelbase | 2,326 mmcorrect |
| Ground clearance | 460 mmcorrect |
| Unladen weight | 4,200 kgcorrect |
Drivetrain and chassis
| Drive | four-wheel drivecorrect |
|---|---|
| Gearbox | 12 V/12 R, 24 V/24 R and 36 V/36 Rcorrect |
| Front tyres | 13.6 R 28 AScorrect |
| Rear tyres | 16.9 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: 16.6 kW/t (70 kW / 4.2 t)
Power class: Universal (40–100 hp)
Stronger than 63% 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 6400-4 have?
The Valmet/valtra 6400-4 delivers 95 hp.
How much does the Valmet/valtra 6400-4 weigh?
The unladen weight is 4,200 kg.
What engine does the Valmet/valtra 6400-4 have?
4 cylinders, 4,397 cm³ displacement, Diesel.
How fast does the Valmet/valtra 6400-4 go?
Top speed is 30 km/h.
What are the dimensions of the Valmet/valtra 6400-4?
4,408 mm × 1,985 mm × 2,735 mm.
When was the Valmet/valtra 6400-4 built?
Production years: 1991–2007.
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 19 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.
