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Bucher Guyer Niederwenningen (ZH) TRL 2600

Built: 1969–1973 · Series: TRL

More machines from model year 1969

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The Bucher Guyer Niederwenningen (ZH) TRL 2600 is a model in the TRL series. Production: 1969–1973. The engine delivers 22 hp (16.2 kW), has 2 cylinders, with a displacement of 1,145 cm³. Rated speed is 3,000 rpm. The machine is 5,350 mm long, 1,960 mm wide and 2,380 mm high. The wheelbase measures 2,600 mm. Ground clearance is 220 mm. Top speed is 18 km/h. Transmission: 6 V 2 R. The engine is air-cooled. Tyres: front 6.50-16 8 PR, rear 10-15 6 PR. The fuel is diesel. Around 525 units were built. Rated output across the Bucher Guyer Niederwenningen (ZH) range ranges from 6.7 to 22 hp; the TRL 2600 sits at the top of that range with 22 hp. Its immediate neighbours are the TR 2200 below it with 11 hp. Rated output across the Bucher Guyer Niederwenningen (ZH) range ranges from 4.9 to 16.2 kW; here the TRL 2600 sits at the top of that range with 16.2 kW. 5 Bucher Guyer Niederwenningen (ZH) models across 2 series are on record.

Bucher Guyer TRL 2600: Swiss air-cooled two-cylinder diesel, 16.2 kW (22 hp), 5,350 mm length, top speed 18 km/h, built 1969 to 1973

Bucher Guyer of Niederweningen in the canton of Zurich built special chassis for Swiss farms alongside its ordinary field tractors. The TRL 2600 was built from 1969 to 1973 with a body shape unusual for the marque.

Read on 3 more paragraphs

The TRL 2600 carries an air-cooled two-cylinder diesel engine of 1,145 cm³ displacement, producing 16.2 kW (22 hp) at 3,000 rpm. With a length of 5,350 mm, a width of 1,960 mm, a wheelbase of 2,600 mm and a height of 2,380 mm, this comparatively small engine faces a considerably larger chassis; the top speed of 18 km/h confirms a design aimed at steady draft work rather than travel speed.

At 18 km/h the TRL 2600 falls within driving licence category L up to 40 km/h. The ratio of engine power to length and wheelbase is lower than in an ordinary field tractor of comparable output, pointing to a chassis built for load-carrying and steady running rather than draft power at the plough, of the kind used for carrying implements or loads around the farm.

When buying such a long, air-cooled two-cylinder second-hand, the condition of the cooling-air ducting and cylinder fins, the bearings of the long chassis, and rust on the frame and sheet-metal parts matter. Because this special chassis was never widely used, spare parts are practically only obtainable through salvage or specialist collectors.

Sources: SpecCodex-Register: Kennwerte des Modells Bucher Guyer TRL 2600

Technical data

Engine

Fuel	dieselcorrect
Power	22 hp (16.2 kW)correct
Rated speed	3,000 rpmcorrect
Cylinders	2correct
Displacement	1,145 cm³correct
Cooling	air-cooledcorrect

Dimensions and weights

Length	5,350 mmcorrect
Width	1,960 mmcorrect
Height	2,380 mmcorrect
Wheelbase	2,600 mmcorrect
Ground clearance	220 mmcorrect

Drivetrain and chassis

Drive	four-wheel drivecorrect
Gearbox	6 V 2 Rcorrect
Front tyres	6.50-16 8 PRcorrect
Rear tyres	10-15 6 PRcorrect
Top speed	18 km/hcorrect

Origin and approval

Construction	Rahmenbauweise, Vorder- und Hinterachse verdrehbarcorrect
Units built	525correct

Frequently asked questions

How much power does the Bucher Guyer Niederwenningen (ZH) TRL 2600 have?

The Bucher Guyer Niederwenningen (ZH) TRL 2600 delivers 22 hp.

What engine does the Bucher Guyer Niederwenningen (ZH) TRL 2600 have?

2 cylinders, 1,145 cm³ displacement, Diesel.

How fast does the Bucher Guyer Niederwenningen (ZH) TRL 2600 go?

Top speed is 18 km/h.

What are the dimensions of the Bucher Guyer Niederwenningen (ZH) TRL 2600?

5,350 mm × 1,960 mm × 2,380 mm.

When was the Bucher Guyer Niederwenningen (ZH) TRL 2600 built?

Production years: 1969–1973.

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 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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Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · How we check the data

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