Technical register for agricultural, construction and commercial machinery · sourced data
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Wahl W28

Built: 1952–1957 · Series: Other models

More machines from model year 1952

The W28 comes from Wahl. Production: 1952–1957. The engine delivers 28 hp, has 2 cylinders, with a displacement of 2,356 cm³. The machine is 2,870 mm long, 1,580 mm wide and 1,640 mm high. The unladen weight is 1,620 kg. The wheelbase measures 1,860 mm. Ground clearance is 375 mm. Top speed is 20 km/h. The fuel is diesel. Construction: unit construction (no separate frame). Around ca. 300 units were built. Rated output across the Wahl range ranges from 12 to 40 hp; the W28 sits in the middle of that range with 28 hp. Its immediate neighbours are the W133 below it with 25 hp and the W40 above it with 40 hp. Rated output across the Wahl range ranges from 12 to 40 hp; here the W28 sits in the middle of that range with 28 hp. 21 Wahl models across 3 series are on record.

Wahl – other models: the collective page of tractors outside the named ranges, from the W16 type to the W225, 9 to 29 kW, single- to three-cylinder diesel engines

This page gathers the Wahl tractors the register could not assign to a named range. The type designation consists of the letter W and a two- or three-digit number, ranging from W16 and W17 through W70 and W80 to W133, W135 and W225; the span of displacements from 668 to 3,534 cm³ across one to three cylinders shows a line-up from small single-cylinder engines to larger multi-cylinder units.

Read on 3 more paragraphs

The register lists here 16 versions with 9 to 29.3 kW (12 to 40 hp) from single- to three-cylinders of 668 to 3,534 cm³, unladen weights from 820 to 2,350 kg, lengths from 2,550 to 3,330 mm, widths from 1,570 to 1,880 mm and heights from 1,470 to 2,160 mm, at speeds of 2,000 to 2,600 rpm; throughout diesel-powered.

With a power range of 9 to 29 kW, the range covers the segment of smaller and medium yard and field tractors, designed for smaller farms and for work with light to medium implements. The spread of numbers in the type designations also suggests a line-up built up over a longer period rather than a single coherent generation.

On used examples, engine condition and compression, the state of clutch and gearbox, the tightness of the hydraulics, rust on sheet-metal parts and mudguards, and on the older single-cylinder types the condition of the starter motor or hand-crank mechanism all count; parts supply depends heavily on the specific model and year of manufacture.

Sources: SpecCodex register, model data: Wahl (weitere Modelle)

Technical data

Engine

Fueldieselcorrect
Power28 hpcorrect
Power28 hpcorrect
Cylinders2correct
Displacement2,356 cm³correct

Dimensions and weights

Length2,870 mmcorrect
Width1,580 mmcorrect
Height1,640 mmcorrect
Wheelbase1,860 mmcorrect
Ground clearance375 mmcorrect
Unladen weight1,620 kgcorrect

Drivetrain and chassis

Top speed20 km/hcorrect

Origin and approval

Constructionunit construction (no separate frame)correct
Units builtca. 300correct

Where this model stands

Power-to-weight ratio: 12.7 kW/t (21 kW / 1.6 t)

Power class: Compact (< 40 hp)

Stronger than 15% 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 Wahl W28 have?

The Wahl W28 delivers 28 hp.

How much does the Wahl W28 weigh?

The unladen weight is 1,620 kg.

What engine does the Wahl W28 have?

2 cylinders, 2,356 cm³ displacement, Diesel.

How fast does the Wahl W28 go?

Top speed is 20 km/h.

What are the dimensions of the Wahl W28?

2,870 mm × 1,580 mm × 1,640 mm.

When was the Wahl W28 built?

Production years: 1952–1957.

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.
  • 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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Other models in this series

Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data

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