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Holder Pionier

Built: 1930–1938 · Series: Einachser

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The Holder Pionier belongs to the Einachser series. Production: 1930–1938. The engine delivers 6 hp, has 1 cylinder, with a displacement of 300 cm³. The machine is 2,000 mm long, 490 mm wide and 950 mm high. Ground clearance is 400 mm. Top speed is 4.5 km/h. Transmission: 1/0. The engine is air-cooled. The fuel is Gemisch. Construction: frameless unit construction. Rated output across the Holder range ranges from 2.5 to 62 hp; the Pionier sits at the bottom of that range with 6 hp. Its immediate neighbours are the HM 5 below it with 5 hp and the AR (38/39) above it with 6.5 hp. 213 Holder models across 20 series are on record.

Holder walking tractors: light two-stroke single-axle tractors from Metzingen, NHT and Pionier, 300 to 400 cm³, fuel-oil mix lubrication at 1:20 to 1:25

Alongside four-wheel implement carriers, Holder of Metzingen also built single-axle walking tractors for domestic and small gardens as well as narrow crops. The NHT and Pionier are light walking tractors with two-stroke engines, guided by an operator and combined with various implements for tillage and transport. Such operator-guided walking tractors rounded out many post-war manufacturers' ranges below their four-wheel implement carriers, covering jobs for which a ride-on tractor was too large.

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The register lists 2 versions here with single-cylinder engines of 300 to 400 cm³, an unladen weight of 350 kg, lengths of 2,000 to 2,200 mm, widths of 490 to 600 mm and heights of 850 to 950 mm at a rated speed of 2,200 to 2,500 rpm; the two-stroke engines run on a fuel-oil mix at a ratio of 1:20 to 1:25.

As operator-guided walking tractors, the NHT and Pionier were aimed at small and hobby gardeners as well as tight row crops where a four-wheel tractor would have been too unwieldy, rounding out the Holder range at the lower end. Both models could be combined with a tiller, cutter bar or trailer, covering a wide range of tasks in small gardens and specialty crops.

When buying one of these two-stroke machines, attention should go to the correct fuel-oil mix ratio, the condition of the clutch and drive belt, the tightness of the fuel tank, and the function of the implement mount, as well as the condition of the handles and control levers, which see heavy use on operator-guided walking tractors; spare parts are now only available in limited supply through specialist dealers.

Sources: SpecCodex register, model data: Holder Einachser, Holder (manufacturer)

Technical data

Engine

Fuel	Gemischcorrect
Power	6 hpcorrect
Rated speed	2.200-2.500 rpmcorrect
Cylinders	1correct
Displacement	300 cm³correct
Cooling	air-cooledcorrect

Dimensions and weights

Length	2,000 mmcorrect
Width	490 mmcorrect
Height	950 mmcorrect
Ground clearance	400 mmcorrect

Drivetrain and chassis

Drive	single-axle drivecorrect
Gearbox	1/0correct
Top speed	4.5 km/hcorrect

Origin and approval

Construction	frameless unit constructioncorrect

Frequently asked questions

How much power does the Holder Pionier have?

The Holder Pionier delivers 6 hp.

What engine does the Holder Pionier have?

1 cylinders, 300 cm³ displacement, Gemisch.

What are the dimensions of the Holder Pionier?

2,000 mm × 490 mm × 950 mm.

When was the Holder Pionier built?

Production years: 1930–1938.

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.
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 14 individual figures for this model. They come from 2 recorded sources; 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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