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Valmet 604 / 604-4

Built: 1982–1985 · Series: 04 er-Baureihe

More machines from model year 1982

Source: https://vaihtokoneet.agritek.fi/agriteknew/maatalous/traktor

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The 04er series from Valmet includes the 604 / 604-4. Production: 1982–1985. The engine delivers 61 hp (44.9 kW), has 3 cylinders, with a displacement of 3,298 cm³. Torque is 220 Nm. Rated speed is 2,300 rpm. The machine is 3,617 mm long, 1,930 mm wide and 2,545 mm high. The unladen weight is 2,800 kg. The wheelbase measures 2,112 mm. Ground clearance is 470 mm. Top speed is 30 km/h. Transmission: 6 V/2 R. The engine is water-cooled. Tyres: front 10.00-16 ASF (A: 11.2-24 AS), rear 13.6-36 AS. The fuel is diesel. The bore measures 108 mm. The stroke is 120 mm. The compression ratio is 17:1. Maximum torque is reached at 1,300 rpm. Construction: frame construction. Injection pressure is 201 bar. The 04 er-Baureihe series covers 3 models. Rated output within it ranges from 50 to 66 hp; the 604 / 604-4 sits in the upper part of that range with 61 hp. Its immediate neighbours are the 504 below it with 50 hp and the 604 / 604-4 Turbo above it with 66 hp. Unladen weight within it ranges from 2,690 to 2,820 kg; here the 604 / 604-4 sits in the upper part of that range with 2,800 kg. 414 Valmet models across 21 series are on record.

Valmet 04 range: collective page of Finnish tractors 504 and 604 (also as Turbo) from Suolahti, three-cylinder diesels, 37 to 49 kW, 1980s

The 04 range from Valmet, dating from the 1980s, comprises the models 504 and 604 in the register, the latter also available in a turbocharged Turbo version; they were built at the Finnish plant in Suolahti. The model numbers rank the range by power class, and the -4 suffix denotes the four-wheel-drive variant. With the optional turbocharging on the 604, the range relied on comparatively modern technology for its time. That extra output made a real difference when pulling heavier implements.

Read on 3 more paragraphs

The register lists 3 versions with 36.8 to 48.5 kW from three-cylinder diesel engines of 2,685 to 3,298 cm³, unladen weights of 2,690 to 2,820 kg, a length of 3,617 mm, widths of 1,890 to 1,930 mm and heights of 2,500 to 2,554 mm; torque ranges from 170 to 235 Nm at a rated speed of 2,300 rpm.

Turbocharging the more powerful 604 was, for a Finnish tractor of the period, an early step toward more power from relatively small displacement, helping it keep pace with rivals' larger six-cylinder models; the 04 range covered the mid power segment on Nordic farms.

When buying used, on the Turbo version particularly the condition of the turbocharger and charge-air ducting matters, and on all models the injection pump, cooling, gearbox and clutch; spare parts are available through today's Valtra network and independent farm-machinery dealers.

Sources: SpecCodex register, model data: Valmet 04er

Technical data

Engine

Fuel	dieselcorrect
Power	61 hp (44.9 kW)correct
Rated speed	2,300 rpmcorrect
Torque	220 Nmcorrect
Speed at max. torque	1,300 rpmcorrect
Cylinders	3correct
Displacement	3,298 cm³correct
Bore	108 mmcorrect
Stroke	120 mmcorrect
Compression ratio	17correct
Injection pressure	201 barcorrect
Cooling	water-cooledcorrect

Dimensions and weights

Length	3,617 mmcorrect
Width	1,930 mmcorrect
Height	2,545 mmcorrect
Wheelbase	2,112 mmcorrect
Ground clearance	470 mmcorrect
Unladen weight	2,800 kgcorrect

Drivetrain and chassis

Drive	rear-wheel drivecorrect
Gearbox	6 V/2 Rcorrect
Front tyres	10.00-16 ASF (A: 11.2-24 AS)correct
Rear tyres	13.6-36 AScorrect
Top speed	30 km/hcorrect

Origin and approval

Construction	frame constructioncorrect

Where this model stands

Power-to-weight ratio: 16 kW/t (45 kW / 2.8 t)

Power class: Universal (40–100 hp)

Stronger than 42% 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 604 / 604-4 have?

The Valmet 604 / 604-4 delivers 61 hp.

How much does the Valmet 604 / 604-4 weigh?

The unladen weight is 2,800 kg.

What engine does the Valmet 604 / 604-4 have?

3 cylinders, 3,298 cm³ displacement, Diesel.

How fast does the Valmet 604 / 604-4 go?

Top speed is 30 km/h.

What are the dimensions of the Valmet 604 / 604-4?

3,617 mm × 1,930 mm × 2,545 mm.

When was the Valmet 604 / 604-4 built?

Production years: 1982–1985.

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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