Bucher Guyer D 1800
Built: 1954 · Series: D
More machines from model year 1954
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Bucher-Guyer D – the small Swiss two- to four-cylinder tractors from Niederweningen (canton of Zurich), models 1700 to D 1800, 18 to 28 kW
Bucher-Guyer was a Swiss maker of agricultural machinery based in Niederweningen in the canton of Zurich, whose tractor production has today become part of the Bucher Industries group. The D series with the 1700, 2000, 4000 and D 1800 models comprises compact two- to four-cylinder diesel tractors, typical of the small-structured farming of Switzerland.
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The register lists here 4 versions with 17.7 to 27.9 kW from two- to four-cylinder engines of 1,701 to 2,078 cm³ displacement, unladen weights from 1,325 to 1,495 kg, lengths from 2,510 to 2,870 mm, widths from 1,520 to 1,580 mm and heights from 1,400 to 1,440 mm – all with diesel engines.
The D models were designed as manoeuvrable yard tractors for Swiss mountain and hill farming, where narrow plots, steep slopes and limited turning circles posed different requirements than the lowland farming of neighbouring countries; they competed there with other Swiss small-tractor brands.
Used, the D models call for checking engine condition and the injection pump, clutch and transmission, brakes on slopes, and the condition of sheet metal and hydraulic hoses; front-axle bearings and the PTO are also worth a look on the older vintages. Parts are today offered mainly by Swiss farm-machinery specialists and the Bucher Industries successor business.
Sources: SpecCodex register, model data: Bucher-Guyer D, Bucher Industries
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 24 hp (17.7 kW)correct |
| Rated speed | 1,980 rpmcorrect |
| Cylinders | 2correct |
| Displacement | 1,810 cm³correct |
| Bore | 98 mmcorrect |
| Stroke | 120 mmcorrect |
| Compression ratio | 19.5correct |
| Injection pressure | 125 barcorrect |
| Cooling | air-cooledcorrect |
Dimensions and weights
| Length | 2,510 mmcorrect |
|---|---|
| Width | 1,520 mmcorrect |
| Height | 1,400 mmcorrect |
| Wheelbase | 1,650 mmcorrect |
| Ground clearance | 410 mmcorrect |
| Unladen weight | 1,325 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 6 V/1 Rcorrect |
| Front tyres | 5.00-16 ASFcorrect |
| Rear tyres | 9-24 AScorrect |
| Top speed | 20 km/hcorrect |
Origin and approval
| Construction | standard tractor, unit constructioncorrect |
|---|
Where this model stands
Power-to-weight ratio: 13.4 kW/t (18 kW / 1.3 t)
Power class: Compact (< 40 hp)
Stronger than 10% 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 Bucher Guyer D 1800 have?
The Bucher Guyer D 1800 delivers 24 hp.
How much does the Bucher Guyer D 1800 weigh?
The unladen weight is 1,325 kg.
What engine does the Bucher Guyer D 1800 have?
2 cylinders, 1,810 cm³ displacement, Diesel.
How fast does the Bucher Guyer D 1800 go?
Top speed is 20 km/h.
What are the dimensions of the Bucher Guyer D 1800?
2,510 mm × 1,520 mm × 1,400 mm.
When was the Bucher Guyer D 1800 built?
Production years: 1954.
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 23 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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Other models in this series
Sources: [1]
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.