Massey Harris M-H 3
Built: 1922–1923 · Series: PARRETT-Baureihe
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Massey-Harris PARRETT range – the No. 1 to No. 3 built under Parrett licence: four-cylinders of 5.1 to 6.5 litres, 7.5 to 11.2 kW, kerosene-petrol operation from Canadian production, 1918 to 1923
Massey-Harris built the PARRETT range from 1918 to 1923 under licence from the American manufacturer Parrett Tractor Company of Chicago Heights; production took place in Canada. The three models M-H 1, M-H 2 and M-H 3 differ chiefly in displacement and output but share the same layout with an upright four-cylinder engine, chain final drive and the dual-fuel operation typical of tractors of that era.
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The register lists 3 versions with 7.5 to 11.2 kW (10.2 to 15.2 hp) from four-cylinders of 5,114 to 6,516 cc displacement at a rated speed of 1,000 rpm. Operating weight ranges from 2,359 to 2,631 kg, length from 3,658 to 3,886 mm, width from 1,829 to 1,981 mm and height from 1,524 to 1,676 mm. All three models ran on a kerosene-petrol mixture.
The PARRETT range ranks among the earliest tractors built in Canada and marks Massey-Harris's entry into tractor manufacturing before the company developed its own designs. The large displacement paired with comparatively low output is typical of the slow-turning engines of the period, built for pulling power rather than revs.
Surviving examples are collector's items today; a purchase check should cover the condition of the cylinder head and cooling system, the tightness of the fuel system for kerosene-petrol operation, wear on the chain drive and rear axle, and the completeness of the radiator, starting crank and steering linkage. Spare parts come almost exclusively from collector markets and reproduction, and an original engine is a rarity.
Sources: SpecCodex register, model data: Massey-Harris PARRETT-Baureihe
Technical data
Engine
| Fuel | Kerosin/Benzincorrect |
|---|---|
| Power | 15.2 hp (11.2 kW)correct |
| Rated speed | 1,000 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 6,516 cm³correct |
| Bore | 114.3 mmcorrect |
| Stroke | 158.75 mmcorrect |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,886 mmcorrect |
|---|---|
| Width | 1,981 mmcorrect |
| Height | 1,676 mmcorrect |
| Wheelbase | 2,337 mmcorrect |
| Unladen weight | 2,631 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 2 V/1 Rcorrect |
| Forward gears | 2correct |
| Reverse gears | 1correct |
| Front tyres | 1.168 x 102correct |
| Rear tyres | 1.524 x 254correct |
| Top speed | 5.3 km/hcorrect |
Origin and approval
| Construction | frame constructioncorrect |
|---|---|
| Units built | 26correct |
Where this model stands
Power-to-weight ratio: 4.3 kW/t (11 kW / 2.6 t)
Power class: Compact (< 40 hp)
Stronger than 4% 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 Massey Harris M-H 3 have?
The Massey Harris M-H 3 delivers 15.2 hp.
How much does the Massey Harris M-H 3 weigh?
The unladen weight is 2,631 kg.
What engine does the Massey Harris M-H 3 have?
4 cylinders, 6,516 cm³ displacement, Kerosin/Benzin.
How fast does the Massey Harris M-H 3 go?
Top speed is 5.3 km/h.
What are the dimensions of the Massey Harris M-H 3?
3,886 mm × 1,981 mm × 1,676 mm.
When was the Massey Harris M-H 3 built?
Production years: 1922–1923.
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 24 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: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
