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Zetor 9641 (2002–2007)

Built: 2002–2007 · Series: Forterra-II-Baureihe

More machines from model year 2002

Source: https://www.technikboerse.com/gebraucht/traktor-357/zetor-13

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The Zetor 9641 is a model in the Forterra-II series. Production: 2002–2007. The engine delivers 90 hp (66.2 kW), has 4 cylinders, with a displacement of 4,156 cm³. Torque is 344 Nm. Rated speed is 2,200 rpm. The machine is 4,240 mm long, 2,165 mm wide and 2,760 mm high. The unladen weight is 4,570 kg. The wheelbase measures 2,397 mm. Ground clearance is 455 mm. Top speed is 30 km/h. The tank holds 180 litres. Transmission: 24 V/18 R. The engine is water-cooled. Tyres: front 420/70 R 24 AS, rear 520/70 R 38 AS. The fuel is diesel. The bore measures 105 mm. The stroke is 120 mm. Maximum torque is reached at 1,500 rpm. Construction: unit construction (no separate frame). The gearbox offers 24 forward gears. There are also 18 reverse gears. The linkage is category II. The PTO runs at 540/1000 rpm. The Forterra-II-Baureihe series covers 5 models. Rated output within it ranges from 80 to 120 hp; the 9641 sits in the lower part of that range with 90 hp. Its immediate neighbours are the 8641 below it with 80 hp and the 10641 above it with 101 hp. Unladen weight within it ranges from 4,255 to 4,765 kg; here the 9641 sits in the upper part of that range with 4,570 kg. 371 Zetor models across 27 series are on record.

Zetor Forterra II range – five Czech tractors from 8641 to 11741: 58.8 to 88.3 kW (80 to 120 hp), four- and six-cylinder diesels, 4,255 to 4,765 kg unladen weight

Zetor has built its tractors since 1946 in Brno in the Czech Republic and ranks among Europe's long-established agricultural machinery makers. The Forterra II range, with the types 8641, 9641, 10641, 11441 and 11741, forms the second generation of this mid-range line, the first two digits of the type designation giving an approximate horsepower figure. The smaller types run four-cylinder, the larger ones six-cylinder diesel engines.

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The register lists here 5 versions with 58.8 to 88.3 kW (80 to 120 hp) from four- and six-cylinder engines of 4,156 to 6,001 cm³ and torque from 312 to 469 Nm at a rated speed of 2,200 to 2,350 rpm. Unladen weights range from 4,255 to 4,765 kg, length from 4,240 to 5,305 mm, width from 2,164 to 2,190 mm and height from 2,717 to 2,780 mm.

With the Forterra range Zetor holds its position as a value-conscious mid-range brand, chiefly in Central and Eastern Europe and in export markets, where straightforward technology and affordable parts supply count against Western European makers. The second generation reworked the cab and hydraulics compared with the original Forterra.

Buying a used Forterra II calls for checking the cab mounts, the tightness of the hydraulic valves and, on the six-cylinder types, cooling performance and the turbocharger. Parts for Zetor tractors are well available through the brand's dealer network, as Zetor still builds tractors in Brno today.

Sources: SpecCodex register, model data: Zetor Forterra-II-Baureihe, Zetor (manufacturer)

Technical data

Engine

Fuel	dieselcorrect
Power	90 hp (66.2 kW)correct
Rated speed	2,200 rpmcorrect
Torque	344 Nmcorrect
Speed at max. torque	1,500 rpmcorrect
Cylinders	4correct
Displacement	4,156 cm³correct
Bore	105 mmcorrect
Stroke	120 mmcorrect
Cooling	water-cooledcorrect

Dimensions and weights

Length	4,240 mmcorrect
Width	2,165 mmcorrect
Height	2,760 mmcorrect
Wheelbase	2,397 mmcorrect
Ground clearance	455 mmcorrect
Unladen weight	4,570 kgcorrect

Drivetrain and chassis

Drive	four-wheel drivecorrect
Gearbox	24 V/18 Rcorrect
Forward gears	24correct
Reverse gears	18correct
Front tyres	420/70 R 24 AScorrect
Rear tyres	520/70 R 38 AScorrect
Top speed	30 km/hcorrect

Working data

Fuel tank capacity	180 lcorrect

Origin and approval

Construction	unit construction (no separate frame)correct

Other data

Linkage category	Cat IIcorrect
PTO speed	540/1000 rpmcorrect

Where this model stands

Power-to-weight ratio: 14.5 kW/t (66 kW / 4.6 t)

Power class: Universal (40–100 hp)

Stronger than 61% 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 Zetor 9641 have?

The Zetor 9641 delivers 90 hp.

How much does the Zetor 9641 weigh?

The unladen weight is 4,570 kg.

What engine does the Zetor 9641 have?

4 cylinders, 4,156 cm³ displacement, Diesel.

How fast does the Zetor 9641 go?

Top speed is 30 km/h.

What are the dimensions of the Zetor 9641?

4,240 mm × 2,165 mm × 2,760 mm.

When was the Zetor 9641 built?

Production years: 2002–2007.

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 29 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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