Bukh DZ-30
Built: 10/1956–1958 · Series: DZ-Serie
More machines from model year 1956
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Bukh DZ-30: tractor from the Danish diesel-engine maker Bukh, two-cylinder with 22.1 kW (30 hp), 1,620 kg unladen weight, built October 1956 to 1958
Bukh, a Danish diesel-engine maker based in Kalundborg that built mainly small engines for boats and stationary plant, briefly also produced its own tractors with the DZ series, using its own engines. The DZ-30 was built from October 1956 to 1958, an unusually short span for a tractor line, before the firm returned its focus to marine and stationary engines.
Read on 3 more paragraphs
The DZ-30 carries a water-cooled two-cylinder diesel engine of 2,042 cm³ displacement, producing 22.1 kW (30 hp) at 1,800 rpm. With an unladen weight of 1,620 kg, a wheelbase of 1,820 mm, a length of 2,805 mm, a width of 1,640 mm and a height of 1,675 mm, it reaches a top speed of 20 km/h.
At 20 km/h the DZ-30 falls within today's driving licence category L up to 40 km/h. As an engine builder, Bukh carried the same drive technology into the tractor with its own two-cylinder diesel that the firm otherwise fitted in marine and stationary engines – a layout that gave smaller farms simple but sturdy machinery for everyday field and yard work rather than heavy tillage.
When buying such a rare tractor second-hand, the condition of the Bukh diesel engine and its injection pump, the tightness of the cooling system and fuel system, and rust on the chassis and sheet-metal parts matter most. Because few examples survive from this short production run, the completeness of the original engine usually decides the value of the vehicle, and parts are realistically only found through collectors of historic Scandinavian tractors.
Sources: SpecCodex-Register: Kennwerte des Modells Bukh DZ-30
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 30 hp (22.1 kW)correct |
| Rated speed | 1,800 rpmcorrect |
| Cylinders | 2correct |
| Displacement | 2,042 cm³correct |
| Bore | 100 mmcorrect |
| Stroke | 130 mmcorrect |
| Compression ratio | 19correct |
| Injection pressure | 150 barcorrect |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 2,805 mmcorrect |
|---|---|
| Width | 1,640 mmcorrect |
| Height | 1,675 mmcorrect |
| Wheelbase | 1,820 mmcorrect |
| Ground clearance | 450 mmcorrect |
| Unladen weight | 1,620 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 6 V/1 Rcorrect |
| Forward gears | 6correct |
| Reverse gears | 1correct |
| Front tyres | 5.50-16 ASFcorrect |
| Rear tyres | 11-28 AScorrect |
| Top speed | 20 km/hcorrect |
Working data
| Fuel tank capacity | 36 lcorrect |
|---|
Origin and approval
| Construction | frameless unit constructioncorrect |
|---|
Where this model stands
Power-to-weight ratio: 13.6 kW/t (22 kW / 1.6 t)
Power class: Compact (< 40 hp)
Stronger than 17% 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 Bukh DZ-30 have?
The Bukh DZ-30 delivers 30 hp.
How much does the Bukh DZ-30 weigh?
The unladen weight is 1,620 kg.
What engine does the Bukh DZ-30 have?
2 cylinders, 2,042 cm³ displacement, Diesel.
How fast does the Bukh DZ-30 go?
Top speed is 20 km/h.
What are the dimensions of the Bukh DZ-30?
2,805 mm × 1,640 mm × 1,675 mm.
When was the Bukh DZ-30 built?
Production years: 10/1956–1958.
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 27 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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Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
