McCormick Super BW-6 – specifications
Built: 1955-1958 · Series: Super
Data for the version built 1955-1958 · Data origin: Reference work (Wikipedia/Wikibooks) · sources
More machines from model year 1955
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The McCormick Super BW-6 is a tractor from the Super series, built in 1955-1958. It runs on a four-cylinder engine.
Power is transmitted through a manual gearbox, drive type: 2-WD.
It runs on petrol or TVO; the engine is water-cooled. The predecessor was the McCormick-Deering W-6.
McCormick Super – the range page of the IH Doncaster classics of the 1950s and 1960s, from the Super BM to the Super FCC Vineyard, 31.6 to 37.7 kW, IH four-cylinders
This page gathers the versions of the McCormick Super range, built by International Harvester at the Doncaster plant in England in the 1950s and 1960s. The letter suffixes BM, BMD, BWD-6 and Cub distinguish body and drive variants of the range, the Super FCC Vineyard is the narrow version for viticulture; besides diesel, petrol and the petrol/TVO (Tractor Vaporising Oil) combination are also recorded as fuel, a fuel type typical of British post-war tractors.
Read on 3 more paragraphs
The register lists here 10 versions with 31.6 to 37.7 kW (43 to 51 hp) from four-cylinders of 4,324 to 4,326 cm³ displacement, unladen weights of 2,450 to 2,562 kg, lengths of 3,175 to 3,510 mm, widths of 1,765 to 2,159 mm and heights of 1,676 to 1,989 mm. International and International Harvester (Great Britain) are recorded as engine makers, with the engine type IH BC 264.
The Super range is among the well-known IH Doncaster classics of those years, with which International Harvester competed in Britain and the Commonwealth against Ferguson, Fordson and David Brown; the name parts Cub and Vineyard refer to the model family and the special version for narrow vine rows respectively.
On these classics, engine and fuel system condition – on petrol/TVO versions especially the switch-over valve – clutch and gearbox, rust on bodywork and mudguards, and the originality of ancillary parts count; parts run through dealers specialising in IH classics.
Sources: SpecCodex register, model data: McCormick Super, International Harvester (Wikipedia)
Technical data
Engine
| Engine make | Internationalcorrect |
|---|---|
| Engine model | IH BC 264correct |
| Fuel | petrol/TVOcorrect |
| Power | 50 hpcorrect |
| Cylinders | 4correct |
| Displacement | 264 cu inches (4.3 litres)correct |
| Bore | 4 inches (102 mm)correct |
| Stroke | 5.25 inches (133 mm)correct |
| Naturally aspirated | naturally aspiratedcorrect |
| Cooling | water-cooledcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | manual gearboxcorrect |
| Gearbox make | Internationalcorrect |
| Forward gears | 5correct |
| Reverse gears | 1correct |
Origin and approval
| Plant | Doncaster, Englandcorrect |
|---|
Other data
| Predecessor | McCormick-Deering W-6correct |
|---|
Frequently asked questions
How much power does the McCormick Super BW-6 have?
The McCormick Super BW-6 delivers 50 hp.
What engine does the McCormick Super BW-6 have?
4 cylinders, petrol/TVO.
When was the McCormick Super BW-6 built?
Production years: 1955-1958.
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.
- 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 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: Tractor & Construction Plant Wiki (CC BY-SA 3.0) (retrieved August 2026) · Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · Data sources and cross-checks
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